Square D™ QO™ and Homeline™ Load

Centers and Enclosures

Catalog

1100CT0501
05/2023

www.se.com
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Table of Contents
QO Load Centers ........................................................................................5
QO Product Description ..............................................................................5
Introduction to QO Load Centers............................................................5
Catalog Number Guide — QO Load Centers...........................................6
General Information ..............................................................................7
QO Indoor and Outdoor Load Centers..........................................................9
Indoor Enclosures (NEMA Type 1)........................................................10
Outdoor Enclosures (NEMA Type 3R)................................................... 11
Fixed Mains vs. Convertible Mains — Single Phase...............................12
Fixed Mains vs. Convertible Mains — Three Phase ...............................17
QO Plug-on Neutral Load Centers........................................................19
QO Standard Load Centers .................................................................27
QO Label Samples..............................................................................33
QO Wiring Diagrams ...........................................................................35
QO Value Packs, Mounting Bases and Covers............................................38
Plug-on Neutral Load Center Value Packs ............................................39
QO Mounting Bases — UL Recognized Components ............................41
QO Load Center Covers ......................................................................43
Homeline Load Centers ...........................................................................45
Homeline Product Description ...................................................................45
Introduction to Homeline Load Centers .................................................45
Catalog Number Guide — Homeline Load Centers ................................46
General Information ............................................................................47
Homeline Indoor and Outdoor Load Centers ...............................................48
Indoor Enclosures (NEMA Type 1)........................................................49
Outdoor Enclosures (NEMA Type 3R)...................................................50
Fixed Mains vs. Convertible Mains — Single Phase ..............................51
Technical Information ..........................................................................53
Homeline Label Samples.....................................................................60
Homeline Wiring Diagrams ..................................................................61
Homeline Value Packs and Covers ............................................................62
Plug-on Neutral Load Center Value Packs ............................................63
Homeline Load Center Covers .............................................................66
QO/Homeline Load Centers ....................................................................67
QO vs. Homeline Load Centers .................................................................67
QO/Homeline Enclosure Dimensions and Knockout Information .............67
QO/Homeline Bolt-On Hubs.................................................................71
QO/Homeline Accessories...................................................................72
QO/Homeline Surge Protective Devices (SPD) .....................................78
Enclosed Devices .....................................................................................81
Product Description ..................................................................................82
Enclosures...............................................................................................83
Indoor Enclosures...............................................................................83
Rainproof Enclosures..........................................................................83
Service Entrance Devices .........................................................................84
Non-Service Entrance Devices ..................................................................85

1100CT0501 3
QO Load Centers

QO Load Centers
QO Product Description
Introduction to QO Load Centers
QO Load Centers are built on the Square D reputation for reliability, innovation,
and leadership in circuit protection.
QO Load Centers from Square D are Underwriters Laboratories® (UL®) Listed
panelboards. They are designed to meet residential, commercial, and industrial
requirements to help protect electrical systems, equipment, and people.

WARNING: This product can expose you to chemicals including lead, which is known to the
State of California to cause cancer, and lead compounds, which are known to the State of
California to cause birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.

Convertible mains Tangential main Cover for flush or surface

Top or bottom mounting. Covers included or sold
(main lug or main service knockouts
feed by rotating separately
circuit breaker eliminate offsets
panels 180
30–400 A) NOTE: White and Mono-Flat covers available.
degrees

Two branch circuit

breaker twistouts
are factory
removed for easier
Split branch
installation of
neutral for
circuit breakers
clutter-free
wiring

Provisions for
door lock on
Three ground bar covers
mounting locations
for ease of wiring

Automatic flush
Tin-plated copper bus single- adjustment cover
or three-phase construction speeds installation

Other Features:
• QO 3/4–inch format: this space-saving feature saves wire.
• Backed out neutral screws: save labor and installation time.
• Convertible Mains: allows fast field conversion between main circuit breaker
and main lugs to meet changing job requirements.
• Standard 22 kA /10 kA AIR SCCR: standard short-circuit series rating for all
main circuit breaker Load Centers provides increased application capability.
Main circuit breaker 22 kA / Main lugs or branch circuit breakers 10–65 kA.
• 3–phase: QO three-phase main circuit breaker panels can be field upgraded
to provide up to 100,000 A series connected short circuit current ratings
(SCCR).
• Interior: single, captive interior mounting screw retained by the interior.
Interior mounts can be removed during rough-in for pain or theft protection.
• Screws: combination slot / square-drive neutral, ground and cover screw
accommodate both standard flat blade screw drivers and square-head
drivers.

1100CT0501 5
 QO Load Centers

Catalog Number Guide — QO Load Centers

Figure 1 - QO Load Centers Catalog Number Guide

QO 1 30 L 200 P G C CP
Position 1 – Brand Position 9 – Other
QO = QO • CP = Consumer Products
CP only applies to Homeline
load centers with six spaces or
Position 2 – Phases less and QO load centers with
Only applies to QO eight spaces or less and does
Blank or 1 = Single-phase not change the product.

3 = Three-phase • CU = Copper bus

• VP = Value pack
Position 8 – Cover
Position 3 – Spaces
• C = Combination Cover
Maximum number of (included)
full-size single-pole circuit • F = Flush Cover
breaker spaces.
Note: Number of maximum
• S = Surface Cover
circuits is specified in the end • R = Rainproof
package label. • B = Hub ready
• Blank = Order separately
• DF = Flush cover with
Position 4 – Mains Type door
M = Main Circuit Breaker • DS = Surface cover with
L = Main Lugs door
DM = Dual Mains
Position 7 – Ground Bar
MS = 300 or 400 A main circuit breaker • G = Included
MQ = Three-phase main circuit breaker • T = Factory Installed
• Blank = Order separately
Position 5 – Position 6 – Construction
Mains Ratings (Amperes) • FT = Feed Through
• P = Plug on Neutral
• Q = Qwik-Grip
• WG = Wide Gutter

Figure 2 - QO Circuit Breakers Catalog Number Guide

QO 1 20 GFI
Position 1 – Brand Position 4 – Device name
• QO = Full size / QO Tandem • P = Plug-on Neutral
Non-Class CTL • AFI = Arc fault circuit interruption
• QOT = Tandem Class CTL • GFI = Ground fault circuit interruption
• XD = Branch circuit breaker • CAFI/AF = Combination arc fault circuit
interruption
• QOM = Main circuit breaker • EPD = Equipment protection device
• QOB = Bolt-on circuit breaker • HM = High magnetic circuit breaker
• DF/AFGF = Dual function
• PL = Powerlink breaker
Position 2 – Number • SWN = Switch neutral common trip
of poles • HID = For use on high intensity
discharge lighting systems
Position 3 – Amperes

6 1100CT0501
QO Load Centers

General Information
Type
Circuit breaker load centers for use on electrical systems are UL Listed under File
E-6294 (panelboards) and meet Federal Specifications W-P-115c, Type 1, Class 2
for use in government housing. Select from QO, QOT (non-CTL), QO-PL, QO-GFI
(UL Class A ground fault protection), QO-AFI (arc fault circuit interrupter), QO-
CAFI (combination arc fault interrupter), or QO-EPD (30 mA equipment ground
fault protection) branch circuit breakers.
Neutral Assemblies
Branch neutral terminals suitable for one #14–4 AWG copper or one #12–4 AWG
aluminum wire
Two or three #14-1/0 AWG copper or #12–1/0 AWG aluminum terminals provided
on 12–42 circuits, 100–225 A load centers
Suitable lugs provided on the neutrals for termination of the grounding conductor
All unused neutral terminals may be used to terminate bare or green equipment
grounding conductors when the load center is used as service equipment:
• one #14–4 AWG copper
• one #12–4 AWG aluminum
QO142M200P • two or three #14–10 AWG copper
• two or three #12–10 AWG aluminum
Ratings
Single-Phase
Main lugs: 30–400 A
Main circuit breaker: 100–400 A three-phase
Main lugs: 60–225 A
Main circuit breaker: 100–225 A
UL Listed
• File E-6294 (panelboards)
• UL 67 standard enhances safety in electrical distribution panels suitable for
use as service equipment
• Suitable for use with 75°C copper or aluminum main conductors
QO330L200G Class CTL
UL Listed Class CTL load centers meets the 2020 National Electrical Code®
(NEC®) article for lighting and appliance branch circuit panelboards.
NOTE: Only applicable on non-plug on neutral load centers.
Service
120 Vac, 1Ø2W
120/240 Vac, 1Ø3W
240 Vac, 1Ø3W
208Y/120 Vac, 3Ø4W
240/120 Vac delta, 3Ø4W
240 Vac corner grounded delta, 3Ø3W
48 Vdc maximum (1Øconvertible main lug 12–42 circuit only)

1100CT0501 7
 QO Load Centers

Line Lugs
All lugs suitable for 75°C copper or aluminum wires.
Main lugs and main circuit breaker load centers have wire binding screw torque
values on the wiring diagrams and circuit breaker labels.
Phasing
Load centers have distributed phase bussing.
Most branch circuit breakers can be mounted in any position.

Table 1 - Branch Circuit Breakers

QO115PCAFI QO230EPD QO320HID QO120VH QH330

10,000 AIR
1–pole, 10–70 A
QO 2–pole, 10–200 A
3–pole, 10–100 A
QOT (Tandems Non-CTL) 1–pole, 15–20 A
1–pole, 15–30 A
QO-EPD 2–pole, 15–60 A
1–pole, 15–30 A
QO-GFI 2–pole, 15–60 A
QO-AFI 1–pole, 15–20 A
QO-CAFI 1–pole, 15–20 A
1–pole, 15–50 A
QO-HID 2–pole, 15–50 A
3–pole, 15–30 A
1–pole, 10–20 A, 30 A
QO-PL 2–pole, 10–60 A
QO-PLILC 3–pole, 15–60 A
2–pole, 10–50 A
QO-SWN 3–pole, 10–50 A
22,000 AIR
QO-VHGFI 1–pole, 15–30 A
1–pole, 15–30 A
QO-VH 2–pole, 15–200 A
3–pole, 15–100 A
2–pole, 150 A 1
QOB-VH 3–pole, 110–150 A 1
42,000 AIR
QOH 2–pole, 40–125 A
65,000 AIR
1–pole, 15–30 A
QH 2–pole, 15–30 A
3–pole, 15–30 A

1. For use with 300 A and 400 A load centers only. Requires PK3CA mounting kit, ordered separately.

8 1100CT0501
QO Load Centers

QO Indoor and Outdoor Load Centers

NEMA Type 1 — Indoor
NEMA 1 enclosures are typically used for protecting controls and terminations
from objects and personnel. This style of enclosure, while offering a latching door,
does not have a gasketed sealing surface. NEMA 1 enclosures are used in
applications where sealing out dust, oil, and water is not required.

NEMA Type 3R — Rainproof

NEMA 3R enclosures are typically used in outdoor applications for wiring and
junction boxes. This style of enclosure provides protection against falling rain,
sleet, snow, and external ice formation. In an indoor application, they protect
against dripping water. This style of enclosure does not have a gasketed sealing
surface. Some models have hasps for padlocking.

1100CT0501 9
 QO Load Centers

Indoor Enclosures (NEMA Type 1)

QO Plug-on Neutral
QO plug-on neutral load centers offer time-savings for plug-on neutral
combination arc fault (CAFI) and dual function circuit breaker installation.
Our innovative, split neutrals are designed to save you time and wire,
allowing plug-on neutral circuit breakers to connect directly to the neutral
bar without the pigtail.

Qwik-Grip wire management system available

Save time and simplify your work by eliminating knockouts, installing wire
connectors and blindly pulling wire into the load center.

Material, Finish and Knockouts

Our enclosures are from sheet steel with knockouts at top, bottom, back
and sides. Finish consists of gray baked enamel electrodeposited over
cleaned, phosphatized steel. Most 100–225 A indoor enclosures are 14.25
in. (362 mm) wide and 300–400 A indoor enclosures are 20 in. (508 mm)
wide. QO enclosures can be rotated to allow top or bottom feed. QO load
center interiors have shielded tin plated copper bus bars to ensure superior
performance and durability.
Flush and Surface Covers
Indoor QO covers with latch are available in surface or flush mount and are
included with our load centers or purchased separately. Doors to cover
circuit breaker handles, except on 2–4, 4–8 and 6–12 circuit models. Triple
lead cover screws for fast cover installation.

Automatic Flush Adjustment

QO flush covers feature a floating, spring-mounted trim providing automatic
adjustment. This ensures proper alignment without manual adjustment and
speeds up the final installation.

Filler Plates
Snap-in style filler plates are accessories purchased separately available to
cover unused spaces. HOMFP and QOFP filler plates available for branch
circuit breaker spaces in all of our covers. QOM1FP filler plates available for
100–125 A convertible load center covers. QOM2FP filler plates available
for 150–225 A convertible load center covers.

Different Colors and Styles

QO covers are available in gray and white colors. Mono-Flat covers, a high-
end alternative with aesthetically pleasing design and low profile surface
with concealed mounting screws and door hinges are available as an
alternative to our standard covers.

10 1100CT0501
QO Load Centers

Outdoor Enclosures (NEMA Type 3R)

QO Plug-on Neutral
QO plug-on neutral load centers offer time-savings for plug-on neutral
combination arc fault (CAFI) and dual function circuit breaker installation.
Our innovative, split neutrals are designed to save you time and wire,
allowing plug-on neutral circuit breakers to connect directly to the neutral
bar without the pigtail.

Material, finish and knockouts

Galvannealed steel enclosure includes interior trim and door with a gray
baked enamel electrodeposited over cleaned, phosphatized steel. QO
load center interiors have tin plated copper bus bars.

Stainless steel latch

A stainless steel door latch on the enclosure provides closure and
maximum durability.

Wiring access without door removal

Convertible main panels are side-hinge door devices, providing full wiring
access without door removal.

Bolt-on hubs
NEMA Type 3R devices have provisions for interchangeable bolt-on hub.
Square D type rain-tight bolted hubs provide fast and convenient top feed
conduit connection. Hubs are available for 0.75 in. (19 mm) to 4 in. (102
mm) conduit size. No gasket is required with hubs from 0.75 in. (19 mm)
to 2.50 in. (64 mm) when used on NEMA Type 3R load centers.

1100CT0501 11
 QO Load Centers

Fixed Mains vs. Convertible Mains — Single Phase

Table 2 - Single-Phase — QO Load Centers, Fixed Mains 30–125 A

Indoor NEMA 1 Rainproof NEMA 3R

Fixed Mains (30–125 A)

Standards
UL 67 Listed
• FIle E-6294
• Suitable for use as service equipment in select models
• 75°C wire rating
Short Circuit Current Rating
UL short circuit rating depends on lowest interrupting rating of circuit breaker installed.
Interior
• Tin plated aluminum bus
• Tin plated copper bus is an available option on 6–12 and 8–16 circuit load centers
• Tin plated copper bus is standard on 4–8 circuit load centers
Mains
• Factory-installed main lugs
• Top mains positioning only
• Top or bottom feed
• A backfed main circuit breaker can be field installed in 4–8, 6–12, and 8–16 load centers using PK2MBretaining kit
Covers
Combination flush and surface cover Cover included
Main Lug Kits
Not applicable
Main Circuit Breaker Kits
Not applicable
Field-Installable Main Circuit Breaker
Not Applicable

12 1100CT0501
QO Load Centers

Table 3 - Single-Phase — QO Load Centers, Convertible Mains 100–225 A

Convertible Mains (100–225 A)

Standards
UL 67 Listed
• File E-6294
• Suitable for use as service equipment
• 75°C wire rating
Short Circuit Current Rating
• Main lugs: up to 65,000 AIR (depends on lowest interrupting rating of branch circuit breakers installed)
• Main circuit breaker: 22,000 AIR standard
• 22,000 AIR main circuit breaker kits
Interior
• Shielded, one-piece tin plated copper bus
• Removable interior with single, captive mounting screw
• Split branch neutral with up to 50% more terminations than required
• Multiple mounting locations for equipment grounding bar kits: left, right, and bottom
• Main lugs Load Centers have equipment grounding bar kits included (not factory-installed)

Mains
Factory-installed main lugs convertible to main circuit breaker
Load Center Amperage Main Circuit Breaker Kit (A)

125 50–125
150 100–150
200 100–200
225 100–225
Factory-installed main circuit breaker convertible to main lugs

Main Circuit Breaker Main Lug Kit Load Center (A)

100 125 100

125 125 125
150 225 150
200 225 200
225 225 225
Covers
• Available in surface or flush mount and are included or
purchased separately.
• Flush covers have spring loaded interior trim for automatic Cover included
flush adjustment.
• Easy to open latch
Main Lug Kits
• Field-installable in main circuit breaker or main lugs load centers
• QOL125kit for use in 100–125 A load centers
• QOL225kit for use in 150–225 A load centers
Main Circuit Breaker Kits
• Field-installable in main lugs or main circuit breaker load centers
• 50–225 A main circuit breaker kit is 22,000 AIR series rated with 10,000 AIR branch circuit breakers

1100CT0501 13
 QO Load Centers

Table 3 - Single-Phase — QO Load Centers, Convertible Mains 100–225 A (Continued)

Convertible Mains (100–225 A)

Field-Installable Main Circuit Breaker

Main Circuit Load Center Mains Lug Wire Size Lug Torque (lb-in. /
22,000 AIR Main Circuit Breaker AWG/kcmil Al or
Breaker Rating 2 Rating N•m)
Cu 3
QOM1 Frame Size
50 100–125 A QOM50VH
60 100–125 A QOM60VH
70 100–125 A QOM70VH
80 100–125 A QOM80VH
#6–2/0 50 lb-in. (6 N•m)
90 100–125 A QOM90VH
100 100–125 A QOM100VH
110 125 A QOM110VH
125 125 A QOM125VH
QOM2 Frame Size 4, 5

100 150–225 A QOM2100VH

125 150–225 A QOM2125VH
150 150–225 A QOM2150VH #4–250 Cu 250 lb-in. (28 N•m)
175 200–225 A QOM2175VH #4–300 AI

200 200–225 A QOM2200VH

225 225 A QOM2225VH

2. Do not exceed the load center mains rating.

3. Wire range listed for QOM circuit breaker kits is the wire range of that circuit breaker. To find out maximum wire size permitted in a
particular load center per UL, see Main Wire Size in the load center tables.
4. Add suffix 1021 for shunt trip.
5. Add suffix 8041 for control wire taps.

14 1100CT0501
QO Load Centers

Single-Phase — QO Load Centers, Fixed Mains 300–400 A

Standards
UL Listed
• File E-6294
• Suitable for use as service equipment
• 75°C wire rating
Short circuit current rating
• Main lugs: up to 65,000 AIR
• Main circuit breaker: 42,000 AIR fully rated
Interior
• Available in single-phase construction
• Interiors accept QO and QOB-VH 110–150 A maximum circuit breakers
(QOB-VH circuit breakers require connector kit PK3CA)
QONQ30LS400 • Tin plated aluminum bus
(interior)
• Available in single-phase construction
• Tin plated copper connector fingers
• Neutral assemblies positioned opposite the mains compartment
Mains
• Factory-installed main lugs and main circuit breaker
• Multiple wire terminals for phases and neutral
• Top or bottom mains positioning
Covers
Flush and surface covers sold separately
Enclosures
• 20 in. (508 mm) wide galvanized steel
• Embossed 0.25 in. (6 mm) standoffs

NC50NQVF • End walls, one blank and one with knockouts, are standard; both are
removable and interchangeable
• Embossed keyholes centered at both ends and in visual positioning
• Multiple grounding bar mounting locations
• Wire management braces

MH50

1100CT0501 15
 QO Load Centers

Single-Phase – QO Load Centers, Special Purpose

Special Purposes – Recreational vehicle and manufactured housing load

centers
• UL Listed (File E-6294)
• Single-phase, 2– and 3–wire
QO124L125PGC • Covers included with load centers
Load centers with covers
• Combination flush/surface cover included with load centers
• Equipment grounding bar included on main lug load centers
• Top or bottom feed on incoming service by rotating compete load center 180
degrees
• Convertible main load centers
Non-metallic load center
• UL Listed and suitable for use as service equipment
QO24L60NRNM
• Side-hinge door device
• 10,000 AIR rating
• Single-phase, 2- and 3-wire
• Factory-installed grounding bar
• Cover included with load center
• Knockouts in bottom endwall, side and back
Generator panel manual transfer
• Connects utility and standby power to installed branch circuits
QO1612M125FTRB
• Includes two factory-installed two-pole main circuit breakers tied together with
a mechanical interlock.
• 30 A and 60 A main circuit breaker versions
• Supply up to eight branch circuits using tandem circuit breakers
• Available indoor enclosure only
• Cover with door included
Riser panels
QO1DM10050TRBR • Offset interior provides ample wire gutter space for high rise applications.
• Factory-installed main lugs (125 A), convertible to main circuit breaker with
standard QOC cover and optional Mono-Flat cover.
• Factory-installed main lugs (200 A), convertible to main circuit breaker when
used with QOC cover only.
• Indoor only, available in 12 to 40 circuits
• Optional Mono-Flat cover available for both 125 A and 200 A panels (sold
separately).

QO130L125PWG

16 1100CT0501
QO Load Centers

Fixed Mains vs. Convertible Mains — Three Phase

Table 4 - Three-Phase — QO Load Centers, Fixed Mains (60–225 A)

Indoor NEMA 1 Rainproof NEMA 3R

Standards
UL Listed
• File E-6294
• Suitable for use as service equipment
• 75°C wire rating

Short Circuit Current Rating

• Main lugs: up to 65,000 AIR (depends on lowest interrupting rating of branch circuit breakers installed)
• Main circuit breaker up to 100 A: 22,000 AIR standard

Interior
• Shielded, on-piece tin plated copper bus on 100–225 A
• Removable interior with single, captive mounting screw on 100–225 A (indoor only)
• Main lugs load centers have equipment grounding bar kits included (not factory-installed)

Mains
• Factory-installed main lugs
• Main neutral terminal located next to the phase terminals on 125–225 A main circuit breaker devices
• Top or bottom feed

Covers
• Flush and surface covers sold separately
• Flush covers have spring-loaded interior trim for automatic
flush adjustment Cover included

• Easy to open door latch

Branch Neutral Termination

• Suitable for copper or aluminum wire
• Terminals suitable for #14–#4 AWG copper or one #12–#4 AWG aluminum wire
• Positioned on both sides of the mains compartment
• Slot/square drive wire binding screws
• Three (3) #14–1/0 AWG copper or #12–#6 AWG aluminum terminations standard on 12–42 circuits, 100–225 A load centers

Main Circuit Breaker Kits

Not applicable

1100CT0501 17
 QO Load Centers

Table 5 - Three-Phase — QO Load Centers, Convertible Mains (100–225 A)

Indoor NEMA 1 Rainproof NEMA 3R

Standards
UL Listed
• File E-6294
• Suitable for use as service equipment
• 75°C wire rating
Short Circuit Current Rating
• Main lugs: up to 65,000 AIR (depends on lowest interrupting rating of branch circuit breakers installed)
• Main circuit breaker up to 100 A: 22,000 AIR standard
• Main circuit breaker 125–225 A: 25,000 AIR standard; optional for field installation up to 65,000 AIR for 70–225 A main circuit
breakers
Interior
• Shielded, one-piece tin plated copper bus on 100–225 A
• Removable interior with single, captive mounting screw on 100–225 A (indoor only)
• Main lugs load centers have equipment grounding bar kits included (not factory-installed)
Mains
• Factory-installed main circuit breaker
• Main neutral terminal located next to the phase terminals on 125–225 A main circuit breaker devices
• Top or bottom feed
• Fully convertible from main circuit breaker to main lugs (100–225 A)
Covers
• Flush and surface covers sold separately
• Flush covers have spring-loaded interior trim for automatic
flush adjustment Cover included

• Easy to open door latch

Branch Neutral Termination
• Suitable for copper or aluminum wire
• Terminals suitable for #14–#4 AWG copper or one #12–#4 AWG aluminum wire
• Positioned on both sides of the mains compartment
• Slot / square drive wire binding screws
• Three (3) #14–1/0 AWG copper or #12–#6 AWG aluminum terminations standard on 12–42 circuits, 100–225 A load centers
Main Circuit Breaker Kits
• Field-installable in main circuit breaker load centers
• 100–225 A main circuit breakers are series rated up to 100,000 AIR (see table below) with 10,000 AIR branch circuit breakers in 30
circuit or larger main circuit breaker load centers with optional QJL main circuit breaker
• Electrical accessories are not available on QDL, QGL, or QJL circuit breakers
• 30–42 circuit, 125–225 A main circuit breaker load centers include integral QDL circuit breakers. Optional QGL and QJL circuit
breakers available as shown:

Amperage 25,000 AIR 65,000 AIR Main Circuit 100,000 AIR 6

Breaker
70 QDL32070 QGL32070 QJL32070
80 QDL32080 QGL32080 QJL32080
90 QDL32090 QGL32090 QJL32090
100 QDL32100 QGL32100 QJL32100
110 QDL32110 QGL32110 QJL32110
125 QDL32125 QGL32125 QJL32125
150 QDL32150 QGL32150 QJL32150
175 QDL32175 QGL32175 QJL32175
200 QDL32200 QGL32200 QJL32200
225 QDL32225 QGL32225 QJL32225

6. When these 3–pole circuit breakers are used as the main circuit breaker of a three-phase load center, the maximum AIR rating is 65,000
at 240 Vac and 100,000 at 208 Vac.

18 1100CT0501
QO Load Centers

QO Plug-on Neutral Load Centers

Indoor, QO Convertible Mains (125–225 A), 1Ø — Main Lugs

QO120L125PG QO130L200PG QO154L225PG

Table 6 - Plug-on Neutral Load Center Main Lugs, Convertible Mains

(1Ø3W–120/240 Vac Indoor—UL Listed)
Circuit Breakers

Load Center Covers

Pole Circuits 7
Mains Rating

(Order Separately) Equipment

Max. Tandem
Max. Single
Spaces

Ground
Load Center Bar Kit Box
AI Cu
box and Interior (Factory- No. 8
Flush/Surface Mono-Flat Included)

Convertible Mains — Factory-installed Main Circuit Breaker, 65 kA Short Circuit Current Rating — Copper Bus QOM1 Main Frame
Size — Convertible to Main Circuit Breaker

12 24 12 QO112L125PH QOC16UF 9, QOC16US — 6

16 24 8 QO116L125PG QOC24UF 9, QOC24US — 7

QOC20U100F 9’
20 24 4 QO120L125PG — 6
125 A QOC20U100S 6–2/0 PKGTALP1
24 34 10 QO124L125PG QOC24UF 9, QOC24US — 7

30 34 4 QO130L125PG QOC30U125C — 9

32 38 6 QO132L125PG QOC32UF 9 — 8

Convertible Mains — Factory-installed Main Circuit Breaker 65 kA Short Circuit Current Rating — Copper Bus QOM2 Main Frame
Size — Convertible to Main Circuit Breaker

12 24 QO112L200PG QOC30UF 9, QOC30US QOCMF30UC 9

12
24 36 QO124L200PG QOC30UF 9, QOC30US QOCMF30UC 9 PKGTALP1 9
200 A 4–300 4–250
30 40 10 QO130L200PG QOC30UF 9, QOC30US QOCMF30UC 9

40 60 20 QO140L200PG QOC40UF 9, QOC40US — 10

42 52 10 QO142L225PG QOC42UF 9, QOC42US QOCMF42UC 9 PKGTALP2 11

225 A 4–300
54 72 18 QO154L225PG QOC54UF 9 QOCMF54UC 9 12

7. Maximum single pole branch circuits utilizing QO and/or QOT circuit breaker.
8. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
9. Available in gray and white colors. For white equivalencies add the “W” suffix to the reference or see QO Load Center Covers, page 43.

1100CT0501 19
 QO Load Centers

Indoor, QO Convertible Mains (100–225 A), 1Ø — Main Circuit Breaker

QO124M100P QO142M200P

Table 7 - Plug-on Neutral Load Center Main Breaker, Convertible Mains

(1Ø3W–120/240 Vac Indoor—UL Listed)
Circuit Breakers

Load Center Covers (Order

Mains Rating

Pole Circuits

Separately) Equipment
Max. Single

Max. Tandem
Spaces

Ground Bar Box

Load Center box Kit
AI Cu No.
and Interior (Factory- 10
Flush/Surface Mono-Flat Included)

Convertible Mains — Factory-installed Main Lugs — 22 kA Short Circuit Current Rating

Convertible to Main Lugs or Lower Amperage Main Circuit Breaker

QOC12UF,
12 12 QO112M100P — 5
QOC12US

QOC20U100F 11,
16 24 8 QO116M100P — 6–2/0 6–1 PK9GTA
QOC200U100S
6
100 A QOC20U100F 11,
20 4 QO120M100P —
QOC200U100S

QOC24UF 11,
24 34 10 QO124M100P — 7
QOC24US

32 38 6 QO132M100P QOC32UF 11 — 8
6–2/0 PK15GTA
QOC24UF 11,
24 34 10 QO124M125P — 7
125 A QOC24US

32 38 6 QO132M125P QOC32UF 11 — 8

Convertible Mains — Factory-Installed Main Lugs — 22 kA Short Circuit Current Rating

Convertible to Main Lugs (see below ) or Lower Amperage Main Circuit Breaker
QOM2 Main Circuit Breaker Frame Size — Copper Bus

QOC30UF 11,
20 30 10 QO120M150P
QOC30US
PK15GTA
QOC30UF 11,
24 36 12 QO124M150P QOCMF30UC 11 9
QOC30US
150 A 4–300 4–250
QOC30UF 11,
30 40 10 QO130M150P
QOC30US
PK18GTA
QOC40UF 11,
32 40 8 QO132M150P — 10
QOC40US

10. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
11. Available in gray and white colors. For white equivalencies add the “W” suffix to the reference or see QO Load Center Covers, page 43.

20 1100CT0501
QO Load Centers

Table 7 - Plug-on Neutral Load Center Main Breaker, Convertible Mains(1Ø3W–120/240 Vac Indoor—UL
Listed) (Continued)

Circuit Breakers
Load Center Covers (Order
Mains Rating

Pole Circuits
Separately) Equipment

Max. Single

Max. Tandem
Spaces
Ground Bar Box
Load Center box Kit
AI Cu No.
and Interior (Factory- 12
Flush/Surface Mono-Flat Included)

QOC30UF 13,
20 30 10 QO120M200P
QOC30US
PK15GTA 9
QOC30UF 13,
24 36 12 QO124M200P QOCMF30UC 13
QOC30US
4–300 4–250
QOC30UF 13,
30 40 10 QO130M200P PK18GTA 9
QOC30US
200 A
QOC40UF 13,
40 60 20 QO140M200P — 10
QOC40US

QOC42UF 13, PK23GTA

42 52 10 QO142M200P QOCMF42UC 13 4–300 11
QOC42US

54 72 18 QO154M200P QOC54UF 13 QOCMF54UC 13 4–300 12

60 72 12 QO160M200PC14 QOC60UF/S Included — 4–300 PK27GTA 24

40 60 20 QO140M225P QOC42UF 13,

225 A QOCMF42UC 13 4–300 PK23GTA 11
42 52 10 QO142M225P QOC42US

NOTE: 22 k AIR main circuit breaker UL Listed for use ahead of QO, QOT
(20 A MAX. NON-CTL) and QO-PL 10 k AIR branch circuit breakers to permit
their application on systems with up to 22 kA available fault current.

12. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
13. Available in gray and white colors. For white equivalencies add the “W” suffix to the reference or see QO Load Center Covers, page 43.
14. For Certification to IEC 60439–1 contact the local Square D sales office; otherwise panels are NOT CE marked. (For use on 415Y/240
Vac 3–phase 4–wire, 3,000 Short Circuit Current when QOXD... branch circuit breakers are used and 10,000 Short Circuit Current
Rating when QO... VS branch circuit breakers are used).

1100CT0501 21
 QO Load Centers

Indoor, QO Convertible Mains (125–225 A) with Qwik-Grip™, 1Ø

QO124L125PQG QO130M200PQG QO142M200PQ

Table 8 - QO Plug-On Neutral Load Centers with Qwik-Grip (1Ø3W-120/240 Vac Indoor—UL Listed)

Load Center Covers (Order Separately)

Circuit Breakers
Mains Rating

Pole Circuits

Equipment
Max. Single

Max. Tandem
Spaces

Ground Bar
Load Center box Kit Box
AI Cu
and Interior (Factory- No. 15
Flush/Surface Mono-Flat
Included)

Convertible Mains — Factory-Installed Main Lugs, 65 kA Short Circuit Current Rating — Copper Bus,
QOM1 Main Frame Size, Convertible to Main Circuit Breaker

24 34 10 QO124L125PQG QOC24UF 16, QOC24US — 7Q

PKGTALP1
125 A 6–2/0
QO130L125PQG QOC30U125C — Included 9Q
30 34 4

Convertible Mains Factory — Installed Main Lugs, 65 kA Short Circuit Current Rating — Copper Bus,
QOM2 Main Frame Size, Convertible to Main Circuit Breaker

QOC30UF 16, QOC30US PKGTALP1

200 A 30 40 10 QO130L200PQG QOCMF30UC 16 4–250 9Q
Included

42 52 10 QO142L225PQG QOC42UF 16, QOC42US — 11Q

PKGTALP2
225 A 4–300
Included
54 72 18 QO154L225PQG QOC54UF 16 QOCMF54UC 16 12Q

Convertible Mains-Factory — Installed main Lugs, 65 kA Short Circuit Current Rating — Copper Bus,
QOM2 Main Frame Size, Convertible to Main Circuit Breaker

PK18GTA
30 40 10 QO130M200PQ QOC30UF 16, QOC30US QOCMF30UC 16 4–250 (Order 9Q
separately)
200 A
42 52 10 QO142M200PQ QOC42UF 16, QOC42US — PK23GTA 11Q
4–300 (Order
54 72 18 QO154M200PQ QOC54UF 16 QOCMF54UC 16 separately) 12Q

15. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
16. Available in gray and white colors. For white equivalencies add the “W” suffix to the reference or see QO Load Center Covers, page 43

22 1100CT0501
QO Load Centers

Indoor, QO Convertible Mains (125–225 A) with Included Cover 1Ø

QO124M100PC QO130M200PC

Table 9 - QO Load Centers with Included Cover (1Ø3W–120/240 Vac Indoor—UL Listed)

Short Max. Max. Equipment

Mains Circuit Single Tandem Load Center Box, Ground Bar
Spaces Box
Rating Current Pole Circuit Interior, and Cover AI Cu Kit (Order No.
Rating Circuits Break- Separately)
17 ers

12 12 QO112L125PGC
24 PKGTALP1 6
125 A 65 kA 20 4 QO120L125PGC 6–2/0
Included
24 34 10 QO124L125PGC 7

Convertible Mains — Factory-Installed Main Lugs 18

PKGTALP1
200 A 30 40 10 QO130L200PGC 9
Included
65 kA 4–300
42 52 10 QO142L225PGC PKGTALP2 11
225 A
54 72 18 QO154L225PGC Included 12

Convertible Mains — Factory-Installed Main Circuit Breaker — QOM1 Main Frame Size — Convertible to Main Lugs 19

12 12 QO112M100PC PK9GTA 5

16 24 8 QO116M100PC 6–2/0 6–1 PK12GTA

6
100 A 22 kA 20 4 QO120M100PC PK15GTA

PK15GTA,
24 34 10 QO124M100PC 6–2/0 7
LK100AN
Convertible Mains — Factory-Installed Main Circuit Breaker — QOM2 Main Frame Size —10 Convertible to Main Lug 19

PK18GTA,
LK100AN,
30 40 QO130M150PC 4–300 4–250 9
PK23GTA,
150 A 22 kA 10 LK100AN
PK18GTA,
42 52 QO142M150PC 4–300 11
LK100AN

30 40 10 QO130M200PC 9
4–300 4–250 PK23GTA
40 60 20 QO140M200PC 10
200 A 22 kA
42 52 10 QO142M200PC PK23GTA, 11
4–300
54 72 18 QO154M200PC LK100AN 12

17. Maximum single pole branch circuits utilizing QO and/or QOT (20 A MAX. NON-CTL) circuit breakers.
18. UL Listed 5000 A short circuit current rating for corner grounded Delta systems (Use QO-H circuit breakers only).
19. 22 k AIR main circuit breaker UL LIsted for use ahead of QO, QOT and QO-PL 10 k AIR branch circuit breakers to permit their
application on systems with up to 22 kA available fault current.

1100CT0501 23
 QO Load Centers

Rainproof, QO Convertible Mains (100–225 A), 1Ø — Main Lugs and Main

Breaker
Table 10 - Plug-on Neutral Load Center Main Lugs, Convertible Mains
(1Ø3W–120/240 Vac Rainproof — UL Listed)

Max. Max. Equipment

Mains Single Tandem Load Center box Ground Bar Kit Box
Spaces AI Cu
Rating Pole Circuit and Interior (Factory- No. 21
Circuits 20 Breakers Included)

Convertible Mains — Factory-Installed Main Lugs — 65 kA Short Circuit Current Rating 22, 23, 24
QOM1 Main Circuit Breaker Frame Size, Convertible to Main Circuit Breaker — Equipment Ground Bar Included

12 12 QO112L125PGRB 3R
24
125 A 16 8 QO116L125PGRB 6–2/0 PKGTALP1
4R
24 34 10 QO124L125PGRB

Convertible Mains — Factory-Installed Main Lugs — 65 kA Short Circuit Current Rating 23, 24
QOM2 Main Circuit Breaker Frame Size, Convertible to Main Circuit Breaker — Equipment Ground Bar Included

12 24 12 QO112L200PGRB 5R
PKGTALP1
200 A 30 40 10 QO130L200PGRB 4–300 4–250 6R

40 60 20 QO140L200PGRB PKGTAL2 7R

225 A 42 52 10 QO142L225PGRB 4–300 PKGTALP2 8R

Table 11 - Plug-on Neutral Load Center Main Breaker, Convertible Mains

(1Ø3W–120/240 Vac Rainproof — UL Listed)

Max. Max. Equipment

Mains Single Tandem Load Center Box and Ground Bar Box
Spaces AI Cu
Rating Pole Circuit Interior Kit (Order No. 21
Circuits Breakers Separately)

Convertible Mains — Factory-Installed Main Lugs — 22 kA Short Circuit Current Rating Convertible to Main Lugs 25
QOM1 Main Circuit Breaker Frame Size — Copper Bus

12 12 QO112M100PRB 3R

16 24 8 QO116M100PRB PK9GTA
100 A 4R
20 4 QO120M100PRB 6–2/0

24 34 10 QO124M100PRB
PK15GTA 4R
125 A 24 34 10 QO124M125PRB

Convertible Mains — Factory-Installed Main Lugs — 22 kA Short Circuit Rating Convertible to Main Lugs 26
QOM2 Main Circuit Breaker Frame Size — Copper Bus

20 30 QO120M150PRB 5R
150 A 10
30 40 QO130M150PRB 6R
PK15GTA
20 30 QO120M200PRB 4–300 4–250 5R
10
30 40 QO130M200PRB 6R
200 A
40 60 20 QO140M200PRB PK23GTA 7R

42 52 10 QO142M200PRB 4–300
PK18GTA 8R
225 A 42 52 10 QO142M225PRB 4–300

20. Maximum single pole branch circuits utilizing QO and/or QOT circuit breakers.
21. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
22. UL Listed 5000 A short circuit current rating for corner grounded Delta systems. Use QO-H circuit breakers only.
23. UL short circuit current rating depends on lowest interrupting rating of circuit breaker installed.
24. Side hinge door device; allow 1–1/4 in. on left side for door to open.
25. 22 k AIR main circuit breaker UL Listed for use ahead of QO, QOT, QO-GFI, QO-AFI, QO-EPD and QOPL 10 k AIR branch circuit
breakers to permit their application on systems up to 22 kA.
26. 22 k AIR main circuit breaker UL Listed for use ahead of QO, QOT, QO-GFI, QO-AFI, QO-EPD and QOPL 10k AIR branch circuit
breakers to permit their application on systems up to 22 kA.

24 1100CT0501
QO Load Centers

Backup Power Solutions, (30–200 A), 1Ø

QO48M60DSGP QO1DM10050TRBR QO1DM10030TRBR

Table 12 - Backup Power Solutions (1Ø3W–120/240 Vac Backup Power — UL Listed)

Max. Equipment
Max.
Mains Single Ground Bar Kit
Spaces Tandem Load Center Box Box No.
Rating Pole (Order AI Cu
Circuit and Interior 28
Circuits Separately)
27 Breakers

Generator Panels — Manual Transfer for Sub-Feed Applications NEMA 1 (Indoor)

Factory-Installed Main Circuit Breakers with Mechanical Interlock — 10 kA Short Circuit Current Rating

30 A QO48M30DSGP
4 8 4 PK7GTA 8–1 4
60 A QO48M60DSGP

Generator Panels — Manual Transfer with Generator Power Inlet Plug for Sub-Feed Application NEMA 3R (Outdoor)
Factory-Installed Main Circuit Breakers with Mechanical Interlock — 10 kA Short Circuit Current Rating

QO1DM10020TRBR —

100 A 4 8 4 QO1DM10030TRBR Factory-Installed — 8–2 17R

QO1DM10050TRBR —

QO Riser Panels (125–200 A), 1Ø

Table 13 - QO Riser Panels (1Ø3W–120/240 Vac Special Applications — UL Listed

Max. Equipment Main Wire Size

Max. Indoor Cover
Mains Tandem Ground Bar AWG/kcmil
Spaces 1P Load Center Box and Box
Rating Circuit Kit (Order
Cir- Interior No. 28
29 Break- Flush Mono-Flat Separately) AI Cu
cuits
ers
Convertible Mains — Factory-Installed Main Lugs, 65 kA Short Circuit Current Rating Convertible to QOM1 22 kA Short Circuit
Current Rating Main Circuit Breaker when used with QOC cover below — Copper Bus

12 12 QO112L125PWG
125 A 24 QOC20UFWG 30 NQC20FWG 30 PK15GTA 6–2/0 14
20 4 QO120L125PWG

Convertible Mains — Factory-Installed Main Lugs, 65 kA Short Circuit Current Rating Convertible to QOM2 22 kA Short Circuit
Current Rating Main Circuit Breaker (See Indoor, QO Convertible Mains (125–225 A), 1Ø — Main Lugs, page 19) when used with
QOC cover below — Copper Bus

200 A 30 40 10 QO130L200PWG QOC30UFWG 30 NQC30FWG 30 PK23GTA 4–300 4–250 23

27. Maximum single pole branch circuits utilizing QO and/or QOT (20 A MAX. NON-CTL.) circuit breakers.
28. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
29. Maximum single pole branch circuits utilizing QO and/or QOT circuit breakers.
30. Available in gray and white colors. For white equivalencies add the “W” suffix to the reference or see QO Load Center Covers, page 43.

1100CT0501 25
 QO Load Centers

Table 13 - QO Riser Panels (1Ø3W–120/240 Vac Special Applications — UL Listed (Continued)

Max. Equipment Main Wire Size

Max. Indoor Cover
Mains Tandem Ground Bar AWG/kcmil
Spaces 1P Load Center Box and Box
Rating Circuit Kit (Order
Cir- Interior No. 32
Break- Flush Mono-Flat Separately) AI Cu
cuits 31
ers
Convertible Mains — Factory-Installed Main Circuit Breaker , 22 kA Short Circuit Current Rating Convertible to Main Lugs (See
Indoor, QO Convertible Mains (125–225 A), 1Ø — Main Lugs, page 19) or Lower Amperage QOM2 Main Circuit Breaker (See Indoor,
QO Convertible Mains (100–225 A), 1Ø — Main Circuit Breaker, page 20) when used with QOC cover below — Copper Bus

QO124M200PWG125
200 A 24 36 12 33
QOC30UFWG 34 NQC30FWG 34 PK23GTA 4–300 4–250 23

Panelboard-style Covers for Riser Panels

Mono-Flat™ Front available for riser panels as an alternative standard load center
cover listed above. Provides a low-profile, aesthetically pleasing solution for high-
traffic areas in upscale multi-family applications. Deadfront included. Lock kit not
provided. Cover NQC30FWG CANNOT be used when panel has been converted
to a main circuit breaker panel. 35

Mains Rating of Load Center Cat. No.

125 A NQC20FWG

200 A NQC30FWG

Table 14 - Auxiliary Gutter

Cat. No. Cover Conduit Riser Size Width Height Depth

UL Listed for use with standard 1Ø and 3Ø load centers for riser applications 36.

1–3/4, 2, 2–1/2 37
SDAG26 Flush 13.5 26.12 3.75
or 3

Table 15 - Tap Kits for Use with Auxiliary Gutter

Riser Wire Tap Off Wire

Use with Auxiliary
Cat. No.
Guitar Cat. No. Lug Type Lug Type
AI/Cu Wire Size AI/Cu Wire Size

SDGT30020 (1) 6–2/0 AWG

Mechanical Mechanical
(2) 6 AWG-300 kcmil
(Included) (Included)
SDGT300300 (2) 6 AWG-300 kcmil

Anderson
SDGT300C10C VCEL02114S1 (1) 8–1/0 AWG
Anderson (Not Included)
SDAG26 VCEL030516H1 (2) 4 AWG-300 kcmil
(Not Included) Anderson
SDGT300C300C VCEL030516H1 (2) 4 AWG-300 kcmil
(Not Included)

QOGL20 Mechanical
Grounding (2) 6–2/0 AWGl — —
(Included)
Terminals

31. Maximum single pole branch circuits utilizing QO and/or QOT circuit breakers.
32. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
33. Comes with 125 A main circuit breaker factory installed.
34. Available in gray and white colors. For white equivalencies add the “W” suffix to the reference or see QO Load Center Covers, page 43.
35. Order catalog number PK4FL for field-installed lock kit.
36. One tap kit required for each riser wire.
37. When used with B300 bolt-on hubs.

26 1100CT0501
QO Load Centers

QO Standard Load Centers

Indoor, QO Fixed Mains (30–125 A), 1Ø — Main Lugs and Main Breaker
QO Standard Load Center Main Lugs and Main Breaker, Fixed Mains
(1Ø3W–120/240 Vac Special Applications — UL Listed)

Table 16 - Low Amperage Fixed Main Lugs Indoor Load Centers (accepts only QO Plug-on Circuit
Breakers — not compatible with QO Plug-on Neutral Circuit Breakers)

Main Wire Size Equipment

Max. Indoor Cover with Door
Max. 1P AWG/kcmil Ground
Mains Spa- Tandem Box
Circuit Load Center Box and Interior Bar Kit
Rating ces Circuit No.
38 (Order
Breakers Flush Surface AI Cu
Separately)

Fixed mains — Factory-Installed Main Lugs — 10 kA Short Circuit Current Rating 39

30 A 2 0 QO20L30S 40, 41 12–10 14–10 PK3GTA1 1

2 Cover Included — Without
70 A 4 2 QO24L70F/S 42, 43 12–10 14–10 PK4GTA 2
Door
QO612L100F/S 42, 44

6 12 6 Cover Included — With

QO612L100DF/S 42, 44
Door
Cover Included — Without
QO816L100F/S 42, 44
8 16 8 Door
100 A 8–1/0 PK7GTA 4
QO816LL100DF/S 42, 44

QO612L100DFCU/SCU 42, 44,

6 12 6 45
Cover Included — With
Door
QO816L100DFCU/SCU 42, 44,
8 16 8 45

Cover Included — Without

125 A 4 8 4 QO148L125GF/S 42, 46 12–10 14–2/0 PK7GTA 47 21
Door

Table 17 - Low Amperage Fixed Mains Indoor Load Centers with Factory Installed Ground Bar (Accepts
only QO Plug-On Circuit Breaker — not compatible with QO Plug-on Neutral Circuit Breakers)

Short Max. Equipment Main Wire Size

Mains Circuit Max. 1P Load Center, Box, Ground Bar Kit AWG/kcmil
Spaces Tandem Box
Rating Current Cir- Interior, and Cover (Order
Circuit No.
Rating cuits Separately) AI Cu
Breakers

Manufactured Hoursing: 1Ø2W 120 Vac — Main Lugs Only — CSA Certified

30 A 41 2 0 QO2L30TTS 40 12–10 14–10 1

10 kA 2 Factory-Installed
50 A 4 2 QO24L50TTS 43 — 14–6 2

1Ø2W 120 Vac — Main Circuit Breaker — CSA Certified

30 A 10 kA 3 5 2 QO35FM30TTF/S Factory-Installed 48 3

1Ø2W 120 Vac — Main Circuit Breaker — CSA Certified

70 A 10 kA 2 4 2 QO24L70TS 43 Factory-Installed 12–3 14–4 2

38. Maximum single pole branch circuits utilizing QO and/or QOT circuit breaker.
39. UL short circuit current rating depends on lowest interrupting rating of circuit breaker installed.
40. Will not accept QO-EPD or Qwik-Gard QO-GFI or QO-AFI circuit breakers.
41. Mains rated 25 A when AI wire is used.
42. Order F for flush device or S for surface device.
43. Use 10 AWG maximum size wire for GFI and AFI circuit breakers.
44. 70 A Max. branch circuit breaker and 100 A max. back fed main circuit breaker.
45. CU indicates copper bus.
46. Copper bus.
47. Factory-included
48. Main circuit breaker is field-installed standard QO single pole circuit breaker.

1100CT0501 27
 QO Load Centers

Indoor, QO Fixed Mains (300–400 A), 1Ø — Main Lugs and Main Breaker
QO Standard Load Center Main Lugs and Main Breaker, Fixed Mains
(1Ø3W–120/240 Vac Special Applications — UL Listed)

MH50 QONQ30LS400 NC50NQVS

Table 18 - High Amperage Fixed Main Breaker and main Lugs Indoor Load Centers (Accepts Only QO
Plug-On Circuit Breakers — Not compatible with QO Plug-on Neutral Circuit Breakers)

Max. Indoor Cover with Door Main Wire Size Equipment

Mains (Order Separately) Ground Bar
Spaces Max. 1P Tandem Load Center Box and AWG/kcmil Box
Rating Circuits Circuit Interior Kit (Order No.
Breakers Flush Surface AI Cu Separately)

Fixed Mains — Factory-Installed Main Circuit Breaker — 65 kA Short Circuit Current Rating

QONQ42MS300 (Int) 49
300 A MH62 (Box) 50
(1) 4–500 PK27GTA 51
42 42 0 NC62NQVF NC62NQVS or (2) 4–3/0 16
QONQ42MS400 (Int) 49 or PK15GTA6
400 A MH62 (Box) 50

Fixed Mains — Factory-Installed Main Lugs — 65 kA Short Circuit Current Rating 52, 53

QONQ30LS400 (Int) 49
30 30 MH50 (Box) 50
(1) 1/0–750 or PK27GTA 51
400 A 0 NC50NQVF NC50NQVS (2) 1/0–300 15
QONQ42LS400 (Int) 49 or PK15GTA6
42 42 MH50 (Box) 50

49. Interior only, order box separately.

50. PE1A Discount Schedule.
51. PK27GTA includes a 6–2/0 AWG AI/Cu lug.
52. UL short circuit current rating depends on lowest interrupting rating of circuit breaker installed.
53. UL Listed 5000 A short circuit current rating for corner grounded Delta systems. Use QO-H circuit breakers only.

28 1100CT0501
QO Load Centers

Rainproof, QO Fixed & Convert. Mains (60–200 A), 1Ø — Main Lugs and
Main Breaker

QO24L60NRNM QO816L100RB

Table 19 - QO Standard Load Center Main Lugs, Fixed Mains (1Ø3W–120/240 Vac Rainproof — Ul Listed

Max. Main Wire Size Equipment Ground

Mains Max. tandem
Spac- Single Load Center Box and AWG / kcmil Bar Kit (Order Box
Raiting Circuit
es Pole Interior Separately) No.
Breakers AI Cu
Circuits 54
Non-Metallic Enclosure
Fixed Mains — Factory-Installed Main Lugs — 10 kA Short Circuit Current Rating

60 A 2 4 2 QO24L60NRNM 12–4 14–4 Factory-Installed 1NM

Metallic Enclosure
Fixed Mains — Factory-Installed Main Lugs — 10 kA Short Circuit Current Rating

40 A 2 0 QO2L40RB 55 12–6 14–6 PK3GTA1

2 1R
70 A 4 2 QO24L70RB 55 12–3 14–4 PK4GTA

QO612L100RB 56 PK7GTA
6 12 6
QO612L100TRB 56 Factory-installed

100 A 8 16 8 QO816L100RB 56 8–1/0 2R

6 12 6 QO612L100RBCU 56, 57 PK7GTA

8 16 8 QO816L100RBCU 56, 57

PK7GTA
125 A 4 8 4 QO148L125GRB 57 12–2/0 14–2/0 Factory-Included 15R

Table 20 - QO Standard Load Center Main Breaker, Convertible Mains (1Ø3W–120/240 Vac Rainproof —
UL Listed

Max. Max. Main Wire Size Equipment

Mains Single tandem Load Center Box and AWG / kcmil Ground Bar Kit Box
Spaces
Rating Pole Circuit Interior (Order No. 58
Circuits 54 Breakers AI Cu Separately)

Convertible Mains — Factory-Installed Main Circuit Breaker with Feed-thru Lugs, 22 kA Short Circuit Current Rating
Convertible to Main Lugs or Lower Amperage Main Circuit Breaker 59, 60 QOM1 or QOM2 Main Circuit Breaker Frame Size —
Copper Bus

125 A 6 12 6 4–2/0 PK12GTA 3R

QO1612M125FTRB 61
150 A 8 16 8
4–250 PK15GTAL 4R
200 A 8 16 8 QO1816M200FTRB 61

54. Maximum single pole branch circuits utilizing QO and/or QOT circuit breakers.
55. Use 10 AWG maximum size wire for GFI and AFI circuit breaker.
56. 70 A Max. branch circuit breaker and 70 A max. back fed main circuit breaker.
57. Copper bus.
58. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
59. Side hinge door device; allow 1–1/4 in. on left side for door to open.
60. 22 k AIR main circuit breaker UL Listed for use ahead of QO, QOT, QO-GFI, QO-AFI, QO-EPD and QOPL 10 k AIR branch circuit
breakers to permit their application on systems up to 22 kA
61. QO1612M125FTRB provided with QOM1 frame main circuit breaker. QO1816M150FTRB and QO1816M200FTRB provided with QOM2
frame main circuit breaker.

1100CT0501 29
 QO Load Centers

Indoor and Rainproof, QO Fixed and Convertible Mains

(60–225 A), 3Ø — Main Lugs and Main Breaker
Table 21 - QO Standard Load Center Main Lugs and Main Breaker (3Ø4W–208Y/120 Vac, 3Ø4W–240/120
Vac Delta, and 3Ø3W–240 Vac Delta—Indoor and Rainproof—UL Listed)

Max. Load Center Box Indoor Cover with Door (Order Main Wire Size Equipment
Mains Number and Interior Separately) AQG / kcmil Ground Bar Box
Rating of 1P QO Kit (Order No.
circuit 62
Cat. No. Flush Surface AI Cu Separately)
breakers
Fixed Mains — Factory-Installed Main Lugs — Copper Bus — 65 kA Short Circuit Current Rating 63

Cover Included With Load Center

60 A 3 QO403L60NF/S (No Door) 12–6 14–6 PK4GTA 13

12 QO312L125G 64 QOC16UF QOC16US 6

125 A 20 QO320L125G 64 QOC24UF QOC24US 6–2/0 6–2/0

7
24 QO324L125G 64 QOC24UF QOC24US Factory-
18 QO318L200G 64 QOC30UF QOC30US Included 65
200 A 4–250 4–250 9
30 QO330L200G 64 QOC30UF QOC30US
Indoor

225 A 42 QO342L225G 64 QOC42UF QOC42US 4–300 4–300 11

Convertible Mains — Factory-Installed QDL Main Circuit Breaker — Copper Bus — 25 kA Short Circuit Current Rating 66

100 A 27 QO327M100 67 QOC30UF QOC30US 6–1 6–1 PK15GTA 9

125 A 30 QO330MQ125 68, 69 QOC342MQF QOC342MQS 12

PK18GTA
30 QO330MQ150 68, 69 QOC342MQF QOC342MQS
150 A
42 QO342MQ150 68, 69 QOC342MQF QOC342MQS PK23GTA
4–250 4–250
30 QO330MQ200 68, 69 QOC342MQF QOC342MQS PK18GTA 12
200 A
42 QO34MQ200 68, 69 QOC342MQF QOC342MQS
PK23GTA
225 A 42 QO342MQ225 68, 69 QOC342MQF QOC342MQS

62. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
63. UL short circuit current rating depends on lowest interrupting of circuit breaker installed.
64. For Certification to IEC 60439–1 contact the local Square D sales office; otherwise panels are NOT CE marked. (For use on 415Y/240
Vac 3-phase 4-wire, 3,000 Short Circuit Current Rating when QOXD branch circuit breakers are used and 10,000 Short Circuit Current
Rating when QO vs. branch circuit breakers are used).
65. PKGTALP1
66. 25 kA short circuit current rating SSCR maximum with Square D Type QDL main circuit breaker, or 22 kA SCCR maximum with back-fed
Type QO-VH main circuit breaker, feeding QO 10 k AIR branch cirucuit.
67. Includes factory-installed back fed QO3100VH main circuit breaker.
68. 65 kA Short Circuit Current Rating maximum with field-installed Square D type QGL 65 k AIR minimum main circuit breaker feeding QO
and Q1 10 k AIR minimum branch circuit breakers.
69. For Certification to IEC 60439–1 contact the local Square D sales office; otherwise panels are NOT CE marked. (For use on 415Y/240
Vac 3–phase 4–wire, 3,000 Short Circuit Current Rating when QOXD... branch circuit breakers are used and 10,000 Short Circuit
Current Rating when QO...VS branch circuit breakers are used).

30 1100CT0501
QO Load Centers

Table 21 - QO Standard Load Center Main Lugs and Main Breaker (3Ø4W–208Y/120 Vac, 3Ø4W–240/120
Vac Delta, and 3Ø3W–240 Vac Delta—Indoor and Rainproof—UL Listed) (Continued)

Max. Load Center Box Indoor Cover with Door (Order Main Wire Size Equipment
Mains Number and Interior Separately) AQG / kcmil Ground Bar Box
Rating of 1P QO Kit (Order No.
circuit 70
Cat. No. Flush Surface AI Cu Separately)
breakers
Fixed Mains — Factory-Installed Main Lugs — Copper Bus — 65 kA Short Circuit Current Rating 71, 72

60 A 3 QO403L60NRB 12–6 14–6 PK4GTA 10R

12 QO312L125GRB Factory- 3R
125 A 6–2/0 6–2/0
20 QO320L125GRB Included 73 4R
Cover Included
18 QO318L200GRB
200 A 4–250 4–250 Factory- 6R
30 QO330L200GRB
Included 74
Rainproof

225 A 42 QO342L225GRB 4–300 4–300 8R

Convertible Mains — Factory-Installed QDL Main Circuit Breaker — Copper Bus — 25 kA Short Circuit Current Rating 75, 72

100 A 27 QO327M100RB 76 PK15GTA 6R

4–2/0 4–2/0
125 A QO330MQ125RB 77

150 A 30 QO330MQ150RB 77 PK18GTA

Cover Included
QO330MQ200RB 77 14R
200 A 4–250 4–250
QO342MQ200RB 77
42 PK23GTA
225 A QO342MQ225RB 77

70. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
71. UL short circuit current rating depends on lowest interrupting rating of circuit breaker installed.
72. Side hinge door device allow 1–1/4 in. on left side for door to open.
73. PKGTALP1
74. PKGTALP2
75. 25 kA short circuit current rating SSCR maximum with Square D Type QDL main circuit breaker, or 22 kA SCCR maximum with back-fed
Type QO-VH main circuit breaker feeding QO 19 k AIR branch circuit.
76. Includes factory-installed back fed QO3100VH main circuit breaker.
77. 65 kA Short Circuit Current Rating maximum with field-installed Square D type QGL 65 k AIR minimum main circuit breaker feeding QO
and Q1 10 k AIR minimum branch circuit breakers.

1100CT0501 31
 QO Load Centers

Mains Kits, 1Ø and 3Ø

Table 22 - 1Ø, Field-Installed Main Circuit Breaker Kits

Main Circuit Breaker Convertible Load 22 k AIR 79 Lug Wire Size 80

Rating 78 Center Mains Rating AWG/kcmil
Main Circuit Breaker 81
QOM1 Frame Size — Use with Convertible Main Load Centers Only

50 A QOM50VH

60 A QOM60VH

70 A QOM70VH
100–125
80 A QOM80VH
12–2/0 AI or Cu
90 A QOM90VH
QOM2100VH 100 A QOM100VH

110 A QOM110VH
125
125 A QOM125VH

QOM2 Frame Size — Use with Convertible Main Load Centers Only

100 A QOM2100VH

125 A 150–225 QOM2125VH

150 A QOM2150VH
4–300 AI or Cu
175 A QOM2175VH
200–225
200 A QOM2200VH

225 A 225 QOM2225VH

Table 23 - 1Ø, Field-Installed Main Lugs Kits

Use on Convertible
Main Lugs Rating 78 Load Center with Lug Wire Size 80
Cat. No.
Mains Rating AWG/kcmil AI or Cu

QOL125 82 6–2/0
125 A 100–125 A
QOL125VD 82 6–4/0
QOL125
225 A 150–225 A QOL225 82 6–300

QGL32080

78. Do not exceed the load center mains rating.

79. 22 k AIR main circuit brearker UL Listed for use ahead of QO, QOT and QO-PL 10 k AIR branch circuit breakers to permit their
application on systems with up to 22 kA available fault current.
80. Wire range listed for QOL lug kits is the wire range of that lug. To find out maximum wire size permitted in a particular load center per UL,
see Main Wire Size in that load center table.
81. Add suffix 1021 for 120, 208, or 240 Vac shunt trip.
82. If main circuit breaker knockout has been removed from the load center’s trim, order appropriate filler plate from Table 1.51, page 1–24.

32 1100CT0501
QO Load Centers

Table 24 - 3Ø, Main Circuit Breakers

Amperage 25 k AIR 65 k AIR 100 k AIR 83

Field-Installed Alternate Main Circuit Breakers for QO 3Ø Main Circuit Breaker Load Centers
rated 70–225 A. Do not exceed the load center main rating.

70 A QDL32070 QGL32070 QJL32070

80 A QDL32080 QGL32080 QJL32080

90 A QDL32090 QGL32090 QJL32090

100 A QDL32100 QGL32100 QJL32100

110 A QDL32110 QGL32110 QJL32110

125 A QDL32125 QGL32125 QJL32125

150 A QDL32150 QGL32150 QJL32150

175 A QDL32175 QGL32175 QJL32175

200 A QDL32200 QGL32200 QJL32200

225 A QDL32225 QGL32225 QJL32225

Table 25 - 3Ø, Main Lugs Kits

Main Lugs Amperage Rating Cat. No. Lug Wire Size AWG/kcmil

Field-Installed Main Lugs for Convertible 3Ø Main Circuit Breaker Load Centers

125 A QOL3125 6–2/0 Cu/AI

225 A QOL3225 6–300 Cu/AI

QO Label Samples
QO Box Label Sample
• Number of circuits
maximum
• Enclosure catalog
number • UL manifest
• Catalog number of • CE if required
covers; flush or
surface • NOM if required
• See load center • Date code
interior for the Short circuit • Plant code
catalog number ratings and
additional or • Label part number
• Voltage ratings Wire range for lug torque replacement • Manufacturer
• Amperage rating data rating Short circuit ratings circuit breakers trademark

83. When these 3 P circuit breakers are used as the main circuit breaker of a 3Ø load center, the maximum AIR rating is 65 kA at 240 Vac
and 100 kA at 208 Vac.

1100CT0501 33
 QO Load Centers

QO Wiring Diagram Sample

• Service Equipment
marking. Unused
neutral branch terminal
for equipment
grounding, service
equipment application Square D
only. circuit
breakers
• Installation of back-fed that may be
main circuit breaker used in this Load center
and required kit Alternate wiring diagram for main circuit breaker or main lug load center accessories

34 1100CT0501
QO Load Centers

QO Wiring Diagrams
QO Load Centers — Main Lugs
Figure 3 - QO Load Centers 1Ø — Main Lugs

QO2L30S QO2-4L70F/S QO2-4L50TTS

QO2L40RB QO2-4L70RB QO35FM30TTF/S
QO2L20TTS
QO6-12L100F/S QO8-16L100F/S QO2-4L60NRNM
QO6-12L100DF/S QO8-16L100DF/S
QO6-12L100DFCU/SCU QO8-16L100DFCU/SCU
QO6-12L100RB/CU QO8-16L100RB/CU

QO2-4L60NRNM

QO14-8L125GRB

S S
N N

QO6-12L100TF/S
QO6-12L100DTF/S QO112L125PG
QO112L125PGC QO116L125PG
QO112L125PGRB QO116L125PGRB
QO112L125PWG QO124L200PG
QO120L125PG
QO112L200PG
QO120L125PGC QO124L125PG
QO112L200PGRB
QO120L125PWG QO124L125PGC
QO124L125PGRB
QO124L125PQG
QO8-16L100TF/S QO124L125PQGCVP
QO8-16L100DTF/S

QO130L125PG
QO130L125PQG QO130L200PG QO142L225PG
QO132L125PG QO130L200PGC QO142L225PGC
QO130L200PQ QO142L225PGRB
QO130L200PGRB QO142L225PQG
QO130L200PWG QO140L200PG
QO154L225PG
QO140L200PGRB
QO154L225PGC
QO154L225PQG

1100CT0501 35
 QO Load Centers

QO Load Centers — Main Circuit Breaker

NOTE: See each catalog number’s associated technical drawing online for
additional wiring diagram details.

Figure 4 - QO Load Centers 1Ø — Main Circuit Breaker

QO112M100P QO1612M125FTRB
QO112M100PC
QO112M100PRB QO1816M150FTRB
QO1816M200FTRB

S S
MAIN
N N

QO116M100P
QO120M150P
QO116M100PC
QO120M100P QO120M200P
QO116M100PRB
QO120M100PC QO120M150PRB QO124M100P
QO120M200PRB QO124M125P QO124M150P
QO120M100PRB
QO124M100PC QO124M200P
QO124M100PRB QO124M200PWG125
QO130M150P
QO124M125PRB QO130M150PC
QO130M200P
QO130M200PC
QO130M200PQ
QO130M150PRB
QO130M200PRB

QO132M150P
QO132M100P QO142M200P
QO132M125P QO142M200PC
QO132M100PCVP QO142M225P
QO140M200P
QO140M200PC QO142M200PQ
QO140M200PRB QO142M200PQCVP QO154M200P
QO142M200PRB QO154M200PC
QO154M200PQ QO160M200PC

36 1100CT0501
QO Load Centers

Backup Power Solutions

Figure 5 - Backup Power Solutions

QO1DM10030TRBR QO4-8M30DS-GP QO1DM10020TRBR

QO1DM10050TRBR QO4-8M60DS-GP

1100CT0501 37
 QO Load Centers

QO Load Centers — Main Lugs and Main Circuit Breaker

Figure 6 - QO Load Centers 3Ø — Main Lugs & Main Circuit Breaker

QO403L60NF/S
QO403L60NRB

QO324L125G
QO327M100
QO327M100RB

QO312L125G
QO312L125GRB

QO330MQ125
QO330MQ150 QO342MQ150
QO330MQ200 QO342MQ200
QO330MQ125RB QO342MQ225
QO318L200G QO320L125G QO330L200G QO342L225G QO330MQ150RB QO342MQ200RB
QO318L200GRB QO320L125GRB QO330L200GRB QO342L225GRB QO330MQ200RB QO342MQ225RB

QO Value Packs, Mounting Bases and Covers

Value Packs Offer
Different value pack combinations offer an affordable mix of products for load
center customers. Value packs are ideal for new construction, upgrades and
remodels. Designed to meet various needs, special packs are combined for QO
products.
We’ve got you covered: flush and surface covers
Indoor QO covers are available in surface or flush mount; these can be purchased
separately and limit loss or damage if stored at the job site.
Mono-Flat covers, a high-end alternative with aesthetically pleasing design and
low profile surface with concealed mounting screws and door hinges is an
alternative to our standard covers.

38 1100CT0501
QO Load Centers

Plug-on Neutral Load Center Value Packs

QO124L125PGCVP QO142M200PCAFVP

Table 26 - Plug-on Neutral Indoor Load Center Value Packs (Compatible with Plug-on Circuit Breakers
and Plug-on Neutral Circuit Breakers)

Equipment
Ground Bar Main Wire
Load Center Box, Interior, Cover and
Max. Kit (Order Size
Branch Circuit Breakers Box
Mains Max. 1P Tandem Separately) AWG/kcmil
Spaces No.
Rating Circuits 84 Circuit 85
Breakers Included Load
Cat. No. Center/Circuit Cat. No. AI Cu
Breakers
QO (Accepts Only QO Plug-On Circuit Breakers) QO — Copper Bus; Convertible Mains — Factory-Installed Main Circuit Breaker,
22 kA Short Circuit Current Rating Convertible appropriate to Main Lugs or QOM Main Circuit Breaker

(1) QO124L125PGC
(3) QO120 PKGTALP1
125 A 24 34 QO124L125PGCVP 6–2/0 7
(2) QO230 Included
10
(1) QO142L225PGC
(3) QO120 PKGTALP2
225 A 42 52 QO142L225PGCVP 4–300 11
(2) QO230 Included

Convertible Mains — Factory-Installed Main Circuit Breaker,

22 kA Short Circuit Current Rating Converitble appropriate to Main Lugs or Main Circuit Breaker

(1) QO124M100PC
24 34 10 QO124M100PCVP (3) QO120 PK15GTA 7
(2) QO230
100 A 6–2/0
(1) QO132M100PC
32 38 6 QO132M100PCVP (3) QO120 PK18GTA 8
(2) QO230

(1) QO142M200PC
QO142M200PCVP (3) QO120
(2) QO230
200 A 42 52 10 (1) QO142M200PC PK23GTA 4–300 11
(3) QO120
QO142M200PCAFVP (2) QO230
(3) QO115PCAFI

84. Maximum single pole branch circuits utilizing QO and/or QOT (20 A MAX. NON-CTL) circuit breakers.
85. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

1100CT0501 39
 QO Load Centers

Table 27 - Plug-on Neutral with Qwik-Grip Indoor Load Center Value Packs (Compatible with Plug-on
Circuit Breakers and Plug-on Neutral Circuit Breakers)

Equipment
Max. Main Wire
Load Center Box, Interior, Cover and Branch Ground Bar
Tan- Size
Mains Circuit Breakers Kit (Order Box
Spaces Max. 1P dem AWG/kcmil
Rating Separately) No.
Circuits Circuit 86
Break-
Included Load Center/
ers Cat. No. Cat. No. AI Cu
Circuit Breakers
QO Convertible Mains — Factory-Installed Main Lugs, up to 65 kA Short Circuit Current Rating — Copper Bus,
QOM1 Main Frame Size, Convertible to Main Circuit Breaker

(1) QO124L125PQGC
(3) QO120
125 A 24 34 10 QO124L125PQGCVP (2) QO230 and PKGTALP1 6–2/0 7Q
(1) PKQGA Qwik-Grip
assembly kit

QO Convertible Mains — Factory-Installed Main Circuit Breaker, 22 kA Short Circuit Current Rating — Copper Bus,
QOM2 Main Frame Size, Convertible to Main Lugs or Main Circuit Breaker

(1) QO142M200MQC
(3) QO120
200 A 42 52 10 QO142M200PQCVP (2) QO230 and PK23GTA 4–300 11Q
(1) PKQGA Qwik-Grip
assembly kit

86. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

40 1100CT0501
QO Load Centers

QO Mounting Bases — UL Recognized Components

Table 28 - QO Mounting Bases

Main
Voltage Max. No. 1P Mounting Bases Main Wire Size
Lug Spaces
System Circuits Cat. No. AWG/kcmil
Rating
QO Plug-On Mounting Bases — (Only accepts QO plug-on circuit breakers. Not compatible
with QO plug-on neutral circuit breakers.)
14–2/0 Cu,
70 A 2 2 QON2L70
12–2/0 AI
SK9948BW
4 4
SK9795 1Ø2W 240 Vac SK9842
Max. 10 k AIC 12–2/0 AI
(without neutral SK9795
assembly) 125 A
6 6 SK9801
SK9796BW
8–3/0 Cu/AI
8 8 SK9797
QO Plug-On Mounting Bases — (Only accepts QO plug-on circuit breakers. Not compatible
with QO plug-on neutral circuit breakers.)
QON2L40 40 A 2 QON2L40 14–2/0 Cu,
2
70 A 4 QON24L70 12–2/0 AI
1Ø3W 240 Vac
Max. 10 l AIC 6 12 QON612L100
100 A 8–1/0 Cu/AI
8 16 QON816L100
QO Plug-On Neutral Mounting Bases — (Compatible with QO plug-on circuit breakers and QO
plug-on neutral circuit breaker.)
12 QON112L125PI
125 A 6–2/0 Cu/Al
20 24 QON120L125PI

QON112L125PI 12 QON112L200PI
4–250 Cu/Al
QON124L200PI
1Ø3W 240 Vac 200 A 24 36
QON124L200PDL (2) 4–300 Cu/Al
Max. 10 k AIC
30 40 QON120L200PI 4–250 Cu/Al
42 52 QON142L225PI
225 A 54 QON154L225P 4–300 Cu/Al
72
60 QON160L225P
QO Plug-On Mounting Bases — (Only accepts QO plug-on circuit breakers. Not compatible
with QO plug-on neutral circuit breakers.)
12 12 QON312L125
125 A 20 20 QON320L125 6–2/0 Cu/Al

3Ø3W 240 Vac 24 24 QON324L125

QON318L200 Max. 10 k AIC
(without neutral 18 18 QON318L200
assembly) 200 A 24 24 QON324L200
4–250 Cu/Al
30 30 QON330L200
225 A 42 42 QON324L205
QO Plug-On Mounting Bases — (Only accepts QO plug-on circuit breakers. Not compatible
with QO plug-on neutral circuit breakers.)
QON3B 14–1 Cu,
60 A 3 3 QON403L60N
12–1 Al
12 12 QON312L125I
3Ø4W 240 Vac 125 A 20 20 QON320L125I 87 6–2/0 Cu/Al
Max. 10 k AIC
24 24 QON324L125I
200 A 30 30 QON330L200I 87 4–250 Cu/Al
225 A 42 42 QON342L225I 4–300 Cu/Al
QO Plug-On Mounting Bases — (Only accepts QO plug-on circuit breakers. Not compatible
with QO plug-on neutral circuit breakers.)

87. Also IEC rated and CE marked for IEC 60439-1. Use only Square D brand Type QOXC, QOXD, QOHX and QOE circuit breakers for
415Y/240 Vac max. systems.

1100CT0501 41
 QO Load Centers

Table 28 - QO Mounting Bases (Continued)

Main
Voltage Max. No. 1P Mounting Bases Main Wire Size
Lug Spaces
System Circuits Cat. No. AWG/kcmil
Rating

1Ø2W 240 Vac 1 1 QOMB1

Max. 10 k AIC 14–2/0 Cu,
(without neutral 70 A 2 2 QOMB2
12–2/0 Al
assembly) 3 3 QOMB3
QOB Bolt-On Mounting Bases — (Only accepts QOB bolt-on circuit breakers)
1Ø2W 240 Vac
Max. 10 k AIC 14–1 Cu,
(without neutral 100 A 3 3 QON3B
12–1 Al
assembly)

Solid Neutral Assemblies

Table 29 - Solid Neutral Assemblies

Number of Branch Neutral Terminal

Main Lug Main Neutral
Branch Wire Size
Rating Cat. No. Lug Wire Size
Neutral
AWG/kcmil Cu Al
Terminals
12 SN12125
125 A 4-2/0 AWG
20 SN20
SN30 12 SN12200 14-4 AWG 12-4 AWG
200 A
30 SN30 4 AWG-300 kcmil
225 A 42 SN42

SN42

SN12125

SN12200

42 1100CT0501
QO Load Centers

Accessories for US Mounting Base for UL 489 C60

Table 30 - Accessories for US Mounting Base for UL 489 C60

Description Cat. No.

Main lug kit for US mounting bases, 1 lug per kit, for 6 AWG to 300
USMBLK
kcmil cable
Terminal cover for US mounting base; provides IP20 ingress
protection per IEC 60529; suitable for jumper bars or cable USMBTC

USMBLK

QO Load Center Covers

QOC40UFW QOC20UFWG QOCMF42UCW

Table 31 - QO Load Center Covers

QO Standard Covers
QO Mono-Flat Covers
Mains Ratings Spaces Flush Surface Flush
Gray Covers White Covers Gray White
QO 1-Phase Load Center Covers — Convertible Mains
12 QOC12UF QOC12US — — —
16 QOC20U100F QOC20U100S QOC20U100FW — —
100 A 20 QOC20U100F QOC20U100S QOC20U100FW — —
24 QOC24UF QOC24US QOC24UFW — —
32 QOC32UF — QOC32UFW — —
12 QOC16UF QOC16US QOC16UFW — —
16 QOC24UF QOC24US QOC24UFW — —
20 QOC20U100F QOC20U100S QOC20U100FW — —
125 A
24 QOC24UF QOC24US QOC24UFW — —
30 QOC30U125C — — — —
32 QOC32UF — QOC32UFW — —
20 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
24 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
150 A
30 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
32 QOC40UF QOC40US QOC40UFW — —

1100CT0501 43
 QO Load Centers

Table 31 - QO Load Center Covers (Continued)

QO Standard Covers
QO Mono-Flat Covers
Mains Ratings Spaces Flush Surface Flush
Gray Covers White Covers Gray White
12 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
20 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
24 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
30 QOC30UF QOC30US QOC30UFW QOCMF30UC QOCMF30UCW
200 A
40 QOC40UF QOC40US QOC40UFW — —
42 QOC42UF QOC42US QOC42UFW QOCMF42UC QOCMF42UCW
54 QOC54UF — QOC54UFW QOCMF54UC QOCMF54UCW
60 QOC60UF — — QOCMF60UC QOCMF60UCW
40 QOC42UF QOC42US QOC42UFW QOCMF42UC QOCMF42UCW
225 A 42 QOC42UF QOC42US QOC42UFW QOCMF42UC QOCMF42UCW
54 QOC54UF — QOC54UFW QOCMF54UC QOCMF54UCW
QO Rise Panel (Wide Gutter) Covers

12 QOC20UFWG — QOC20UFWGW NQC20FWG NQC20FWGW

125 A
20 QOC20UFWG — QOC20UFWGW NQC20FWG NQC20FWGW
24 QOC30UFWG — QOC30UFWGW NQC30FWG NQC30FWGW
200 A
30 QOC30UFWG — QOC30UFWGW NQC30FWG NQC30FWGW
QO 3-Phase Load Center Covers — Fixed Mains
12 QOC16UF QOC16US QOC16UFW — —
125 A 20 QOC24UF QOC24US QOC24UFW — —
24 QOC24UF QOC24US QOC24UFW — —
18 QOC30UF QOC30US QOC30UFW — —
200 A
30 QOC30UF QOC30US QOC30UFW — —
225 A 42 QOC42UF QOC42US QOC42UFW — —
QO 3-Phase Load Center Covers — Convertible Mains
100 A 27 QOC30UF QOC30US QOC30UFW — —
125 A 30 QOC342MQF QOC342MQS — — —
30 QOC342MQF QOC342MQS — — —
150 A
42 QOC342MQF QOC342MQS — — —
30 QOC342MQF QOC342MQS — — —
200 A
42 QOC342MQF QOC342MQS — — —
225 A 42 QOC342MQF QOC342MQS — — —

44 1100CT0501
Homeline Load Centers

Homeline Load Centers

Homeline Product Description
This section provides an overview of the Homeline Load Center features, an
overview of the catalog number guide, and general information about the product.

Introduction to Homeline Load Centers

Homeline Load Centers are built on Square D reputation for reliability, innovation,
and leadership in circuit protection.
Homeline Load Centers from Square D are UL Listed panelboards. Then are
designed to meet residential requirements to help protect electrical systems,
equipment, and people.

Combination cover for flush or

Convertible mains (main Tangential main surface mounting.
Top or bottom lug or main circuit service knockouts
feed by rotating NOTE: White and Mono-Flat
breaker 50–225 A) eliminate offsets
panels 180 covers available.
degrees

Two branch circuit

breaker twistouts
are factory
removed for easier
installation of
circuit breakers

Split branch
neutral for
clutter-free
wiring

Provisions for
door lock on
Three ground bar covers
mounting locations
for ease of wiring

Aluminum bus Automatic flush

single-phase adjustment cover
construction speeds installation

Other Features:
UL Listed Only for Square D Breakers: 1-in. format breakers trip to center
position.
Standard 22 kA /10 kA AIR SCCR: Standard 22/10 kA AIR series rating on main
circuit breaker panels increases application capability (branch circuit breakers 10
kA / main circuit breaker 22 kA).

1100CT0501 45
 Homeline Load Centers

Hinges and ground bars: Side hinge doors on outdoor convertible main panels.
Equipment grounding bar included with main lug load centers.
Screws: Single captive screw interior mounting on indoor panels to ease removal.
Combination slot/square drive neutral, ground, and cover screws for positive drive
and improved torque.
Accepts Plug-on Neutral (PoN) CAFI and Dual Function Breakers, and circuit
breakers with pigtails

Catalog Number Guide — Homeline Load Centers

HOM 8 16 L 125 P G C CP
Position 1 – Brand Position 9 – Other
HOM = Homeline CP = Consumer Products
CP only applies to Homeline
load centers with six spaces or
Position 2 – Spaces less and QO load centers with
Maximum number of eight spaces or less and does
full-size single-pole circuit not change the product.
breaker spaces. CU = Copper bus
VP = Value pack
EP = Service upgrade
Position 3 – Circuits panel
Maximum number of
full-size single-pole circuit Position 8 – Cover
breaker spaces. C = Combination Cover
Note: Number of maximum (included)
circuits is specified in the end F = Flush Cover
package label.
S = Surface Cover
R = Rainproof
B = Hub ready
Position 4 – Mains Type
Blank = Order separately
M = Main Circuit Breaker
L = Main Lugs
Position 7 – Ground Bar
G = Included
T = Factory Installed
Blank = Order separately

Position 5 – Position 6 – Construction

Mains Rating (Amp) FT = Feed Through
P = Plug on Neutral
Q = Qwik-Grip

HOM 1 20 GFI
Position 1 – Brand Position 4 – Device name
HOM = Full size P = Plug-on Neutral
HOMT = Tandem AFI = Arc fault circuit interruption
GFI = Ground fault circuit interruption
CAFI/AF = Combination arc fault circuit
interruption
EPD = Equipment protection device
HM = High magnetic circuit breaker
DF/AFGF = Dual function

Position 2 – Number Position 3 – Amperes

of poles

46 1100CT0501
Homeline Load Centers

General Information
Type:
Circuit breaker load centers for use on AC systems. They are UL Listed under file
E-6294 (panelboards) and meet Federal Specifications W-P-115b NEMA Type 1,
Class 2.
Service:
120 Vac, 1Ø2W
120 / 240 Vac, 1Ø3W
Ratings:
Main lugs: 70–225 A
Main circuit breaker: 50–225 A
UL Listed:
• File E-6294 (panelboards)
• UL 67 Standard for Panelboards establishes requirements for electrical
distribution panels
• Suitable for use as service equipment
HOM3060L125PC • 75°C wire rating
Class CTL:
UL Listed Class CTL load centers
Meets the 2020 National Electrical Code (NEC) article for Lighting and Appliance
Branch Circuit panelboards
Main Circuit Breaker Kits:
50–225 A main circuit breaker kit is 22,000 AIR series rated with 10,000 AIR
branch circuit breakers.
Table 32 - Branch Circuit Breakers

10,000 AIR

1-pole, 15–50 A
HOM230 HOM
2-pole, 15–125 A

1-pole, 15–30 A
HOMT
2-pole, 15–50 A

1-pole, 15–20 A
HOM-GFI
2-pole, 15–50 A

HOM-AFI 1-pole, 15–20 A

1-pole, 15–20 A
HOM-CAFI
2-pole, 15–20 A

HOM-P 1-pole, 15–20 A

HOM-BB 2-pole, 150–200 A

HOM-DF 1-pole, 15–20 A

HOM-HM 1-pole, 15–20 A

1-pole, 15–20 A
HOM-EPD
2-pole, 15–50 A

1100CT0501 47
 Homeline Load Centers

Homeline Indoor and Outdoor Load Centers

NEMA Type 1 – Indoor
NEMA Type 1 enclosures are typically used to help protect controls and
terminations from objects and personnel. This style of enclosure, while offering a
latching door, does not have a gasket sealing surface. NEMA 1 enclosures are
used in applications where sealing out dust, oil, and water is not required.
NEMA Type 3R – Rainproof
NEMA Type 3R enclosures are typically used in outdoor applications for wiring
and junction boxes. This style of enclosure help provide protection against falling
rain, sleet, snow, and external ice formation. In an indoor application, this can help
protect against dripping water. This style of enclosure does not have a gasket
sealing surface. Some models have hasps for padlocking.

48 1100CT0501
Homeline Load Centers

Indoor Enclosures (NEMA Type 1)

Homeline Plug-on Neutral Load Centers
Homeline plug-on neutral load centers offer time-savings for plug-on
neutral combination arc fault (CAFI) and dual function circuit breaker
installation. Our innovative, split neutrals are designed to save you time
and wire, allowing plug-on neutral circuit breakers to connect directly to the
neutral bar without the pigtail.
Qwik-Grip wire management system available
Save time and simplify your work by eliminating knockouts, installing wire
connectors and help prevent pulling wire into the load center.

Material, Finish, and Knockouts

The enclosures are sheet steel with knockouts at the top, bottom, back,
and sides. Homeline finish consists of gray baked enamel electrodeposited
over cleaned, phosphatized steel. Most indoor enclosures are 14.25 in.
(362 mm) wide. Homeline enclosures can be rotated to allow top or bottom
feed. Homeline load center interiors have tin and copper plated aluminum
bus bars.
Flush and surface covers
Indoor Homeline covers with latch are available in surface or flush mount
and are included with our load centers. Doors to cover circuit breaker
handles, except on 2-4, 4-8, and 6-12 circuit models. Triple lead covers
crews for fast cover installation.

Filter plates
Snap-in style filler plates are accessories purchased separately available to
cover unused spaces. HOMFP and QOFP filler plates available for branch
circuit breaker spaces in all covers. QOM1FP filler plates available for 100-
125 A convertible load center covers. QOM2FP filler plates available for
150-225 A convertible load center covers.
Different colors and styles
Homeline covers are available in gray and white colors. Mono-Flat covers,
a high-end alternative with aesthetically pleasing design and low profile
surface with concealed mounting screws and door hinges are an
alternative to the standard covers.

1100CT0501 49
 Homeline Load Centers

Outdoor Enclosures (NEMA Type 3R)

Homeline Plug-on Neutral
Homeline plug-on neutral load centers offer time-savings for plug-on
neutral combination arc fault (CAFI) and dual function circuit breaker
installation. These innovative, split neutrals are designed to save you time
and wire, allowing plug-on neutral circuit breakers to connect directly to the
neutral bar without the pigtail.
Material, Finish, and Knockouts
Galvannealed steel enclosure includes interior trim and door with a gray
baked enamel electrodeposited over cleaned, phosphatized steel.
Homeline load center interiors have tin and copper plated aluminum bus
bars.

Stainless steel latch

Stainless steel door latch on the enclosure provides a secure closure and
maximum durability.

Wiring access without door removal

Convertible main panels are side-hinge door devices, providing full wiring
access without door removal.

Bolt-On Hubs
NEMA 3R — are rainproof devices have provisions for interchangeable
bolt-on hub. Square D type rain-tight bolted hubs provide fast and
convenient top feed conduit connection. Hubs are available for 0.75 in. (19
mm) to 4 in. (102 mm) conduit size. No gasket is required with hubs from
0.75 in. (19 mm) to 2.50 in. (64 mm) when used on NEMA Type 3R load
centers.

50 1100CT0501
Homeline Load Centers

Fixed Mains vs. Convertible Mains — Single Phase

Table 33 - Single-Phase — Homeline Load Centers, Fixed Mains (70–125 A)

Indoor NEMA 1 Rainproof NEMA 3R

Standards
UL 67 Listed
• File E-6294
• 75°C wire rating

Short Circuit Current Rating

Main lugs: up to 10,000 AIR

Interior
Tin plated aluminum bus

Mains

• Factory-installed fixed main lugs

• Top mains positioning only
• Top or bottom feed
• A backfed main circuit breaker can be field installed in a 6-12 load center using the HOM1RK retaining kit

Covers
Flush and surface cover

Table 34 - Single-Phase — Homeline Load Centers, Convertible Mains

(100–225 A)

Indoor NEMA 1 Rainproof NEMA 3R

Standards
UL 67 Listed
• File E-6294
• Suitable for use as service equipment
• 75°C wire rating

Short Circuit Current Rating

• Main lugs: up to 10,000 AIR

• Main circuit breaker: 22,000 AIR standard

Interior

1100CT0501 51
 Homeline Load Centers

Table 34 - Single-Phase — Homeline Load Centers, Convertible Mains(100–225 A) (Continued)

Indoor NEMA 1 Rainproof NEMA 3R

• Tin plated aluminum bus

• Removable interior with single, captive mounting screw
• Split branch neutral with up to 50% more terminations than required
• Multiple mounting locations for equipment ground bar kits: left, right, bottom

Mains
Factory-installed main lugs convertible to main circuit breaker

Load Center Amperage Main Circuit Breaker Kit Amperage

125 50–125
150 10–150
200 100–200
225 100–225
Factory-installed main circuit breaker convertible to main lugs

Main Circuit Breaker Amperage Main Lug Kit Amperage Load Center Amperage

100 125 100

125 125 125
150 225 150
200 225 200
225 225 225
Covers

• Combination flush and surface cover included with load centers

• Optional door lock kit for indoor load centers
• Easy to open door latch

52 1100CT0501
Homeline Load Centers

Technical Information
Indoor, HOM Fixed Mains (70-125 A) — Main Lugs

HOM24L70F HOM612L100F HOM48L125GC

Table 35 - HOM Standard Load Center Main Lugs, Fixed Mains (1Ø3W—120/240 Vac Indoor—UL Listed)

Max. Max. Main Wire Size AWG/kcmil Equipment Ground

Mains Single Tandem Load Center Box, Box
Spaces Bar Kit (Order
Rating Pole Circuit Interior 89 No. 90
Al Cu Separately)
Circuits 88 Breakers
Main Lugs—10 kA Short Circuit Current Rating Order HOM Circuit Breakers

70 A 2 4 2 HOM24L70F/S 91, 92 12–3 14–4 PK3GTA1 2

100 A 6 12 6 HOM612L100F/S 91, 93 6–2/0 8–1 PK7GTA 4

PK7GTA
125 A 4 8 4 HOM48L125GC 12–2/0 14–2/0 21
included

88. Maximum single pole branch circuits utilizing HOM and/or HOMT circuit breakers.
89. C at end of catalog number indicates combination flush/surface cover included with device.
90. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
91. F/S at end of catalog number indicates to order F for flush device or S for surface device. The cover does not have a door.
92. HOM-GFI and HOM-AFI branch circuit breakers are limited to number 10 maximum wire.
93. 70 A maximum branch circuit breaker, 100 A maximum back feed main circuit breaker.

1100CT0501 53
 Homeline Load Centers

Indoor, HOM Convertible Mains (125–225 A) — Main Lugs

HOM2040L225PGC HOM4284L225PGC

Table 36 - HOM Plug-on Neutral Load Center Main Lugs, Convertible Mains
(1Ø3W–120/240 Vac Indoor—UL Listed)

Max. Main Wire Size AWG/kcmil Equipment

Max.
Mains Single Load Center Box, Ground Bar Kit
Spaces Tandam Box No.
Rating Pole Interior and Cover (Order 96
Circuit Al Cu
Circuits 95
Separately
94 Breakers

Convertible Mains—Factory-installed Main Lugs

QOM1 Main Frame Size—Convertible to Main Circuit Breaker

8 16 8 HOM816L125PC
6–1 6
12 24 12 HOM1224L125PC
125 A 16 32 16 HOM1632L125PC 6–2/0 PK9-27GTA(L)
6–1/0 8
20 40 20 HOM2040L125PC
30 60 30 HOM3060L125PC 6–2/0 10
Convertible Mains—Factory-installed Main Lugs
QOM2 Main Frame Size—Convertible to Main Circuit Breaker

30 60 30 HOM3060L225PC 10
40 80 40 HOM4080L225PC
225 A 4–300 4–250 PK9-27GTA(L) 12
42 84 42 HOM4284L225PC
60 120 60 HOM60120L225PC 25
Convertible Mains—Factory-installed Main Lugs—Ground Bar Included
QOM1 Main Frame Size—Convertible to Main Circuit Breaker

8 16 8 HOM816L125PGC
6–1 6
12 24 12 HOM1224L125PGC PKGTALP1
125 A 6–2/0
20 40 20 HOM2040L125PGC Included
6–1/0 8
24 80 24 HOM2448L125PGC
Convertible Mains—Factory-installed Main Lugs—Ground Bar Included
QOM2 Main Frame Size—Convertible to Main Circuit Breaker.

PKGTALP2
30 60 30 HOM3060L225PGC 10
Included
16 32 16 HOM1632L225PGC PKGTALP1
225 A 4–300 4–250 9
20 40 20 HOM2040L225PGC Included

40 80 40 HOM4080L225PGC PKGTALP3
12
42 84 42 HOM4284L225PGC Included

94. Maximum single pole branch circuits utilizing HOM and/or HOMT circuit breakers.
95. C at end of catalog number indicates combination flush/surface cover included with device.
96. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

54 1100CT0501
Homeline Load Centers

Indoor, HOM Convertible Mains (100–200 A) — Main Breaker

HOM3060M125PC HOM4284M225PC

Table 37 - HOM Plug-on Neutral Load Center Main Breaker, Convertible Mains
(1Ø3W–120/240 Vac Indoor—UL Listed)

Max. Main Wire Size AWG/ Equipment

Mains Max. Single Load Center Box, kcmil Ground Bar
Spaces Tandam Box No.
Rating Pole Interior and Cover Kit (Order
Circuit 99
Circuits 97 98
Al Cu Separately
Breakers

Main Circuit Breaker—22 kA Short Circuit Current Rating

Convertible Mains—Factory-installed Main Circuit Breaker
QOM1 Main Frame Size—Convertible to Main Lugs or Lower Amperage Main Circuit Breaker

8 16 8 HOM816M100PC 6–3 5

12 24 12 HOM1224M100PC 6–1 6–2/0 6

100 A 20 40 20 HOM2040M100PC 6–3 7
24 48 24 HOM2448M100PC 6–2/0 PK9-27GTA(L) 8
30 60 30 HOM3060M100PC 6–2/0 10
24 48 24 HOM2448M125PC 6–1/0 8
125 A 6–2/0
30 60 30 HOM3060M125PC 6–2/0 10
Convertible Mains—Factory-installed Main Circuit Breaker
QOM2 Main Frame Size—Convertible to Main Lugs or Lower Amperage Main Circuit Breaker

150 A 30 60 30 HOM3060M150PC 4–250 10

20 40 20 HOM2040M200PC 9
30 60 30 HOM3060M200PC 10
200 A 40 80 40 HOM4080M200PC 4–250 PK9-27GTA(L) 12
42 84 42 HOM4284M200PC 12
60 120 60 HOM60120M200C 25
225 A 42 84 42 HOM4284M225PC 4–300 4–250 12

97. Maximum single pole branch circuits utilizing HOM and/or HOMT circuit breakers.
98. C at end of catalog number indicates combination flush/surface cover included with device.
99. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

1100CT0501 55
 Homeline Load Centers

Indoor, HOM Convertible Mains (125–200 A with Qwik-Grip)

HOM4284L225PQGC HOM3060M200PQC

Table 38 - HOM Plug-on Neutral Load Centers with Qwik-Grip (1Ø3W–120 / 240 Vac Indoor— UL Listed)

Max. Main Wire Size

Mains Equipment
Spaces Max. 1P Tandam Load Center Box, AWG/kcmil Box
Rating Ground Bar
Circuit Circuit Interior and Cover No.
Al Cu Kit
Breakers

34 48 24 HOM2448L125PQGC 6–1/0 PKGTALP2 8Q

125 A 6–2/0
40 60 30 HOM3060L125PQGC 6–2/0 included 10Q

Convertible Mains—Factory-Installed Main Lugs, 10 kA Short Circuit Current Rating— QOM2 Main Frame Size, Convertible

PKGTALP2
30 60 30 HOM3060L225PQGC 10Q
included
225 A 4–300 4–250
40 80 40 HOM4080L225PQGC PKGTALP3
12Q
42 84 42 HOM4284L225PQGC included

Convertible Mains—Factory-Installed Main Circuit Breaker, 22 kA Short Circuit Current Rating— QOM2 Main Circuit Breaker
Frame Size, Convertible to Main Lugs or Main Circuit Breaker

30 60 30 HOM3060M200PQC 10Q
4–250
200 A 40 80 40 HOM4080M200PQC PK9-27GTA(L)
12Q
42 84 42 HOM4284M200PQC 4–300 4–250

Table 39 - Homeline Service Upgrades Load Centers (1Ø3W—120/240 Vac Special Applications—UL
Listed)

Max. Extra Long Cover with Main Wire Equipment

Mains Max. IP Size AWG/ Ground Bar Kit
Spaces Tandem Load Center Box and Door (Order Separately) Box
Rating Circuits Kcmil (Order
100 Circuit Interior No. 101
Breakers Separately)
Flush Surface Al Cu
Convertible Mains—Factory-Installed Main Circuit Breaker—22 KA
QOM2 Main Frame Size—Convertible to Main Lugs or Lower Amperage Main Circuit Breaker —Copper Bus 102

200 A 30 60 30 HOM3060M200PCEP103 HOMC30UFL — 4–250 PK9-27GTA(L) 26

100. Maximum single pole branch circuits utilizing QO and/or QOT circuit breakers.
101. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
102. 22 k AIR main circuit breaker UL Listed for use ahead of QO, QOT and QO-PL 10 k AIR branch circuit breakers to permit their application
on systems with up to 22 kA available fault current.
103. Ships with standard length cover.

56 1100CT0501
Homeline Load Centers

1Ø, Field-Installed Mains Kits

Table 40 - Field-Installed Main Circuit Breaker Kits, 1Ø
QOM1 Frame Size — (Use with Convertible Main Load Centers only)

Main Circuit Breaker Convertible Load 22 k AIR 105 Lug Wire

Rating104 Center Mains Rating Size AWG/kcmil 106
Main Circuit Breaker

50 A QOM50VH

60 A QOM60VH

70 A QOM70VH
100–125
80 A QOM80VH
12–2/0 Al or Cu
90 A QOM90VH

100 A QOM100VH

110 A QOM110VH
QOM50VH 125
125 A QOM125VH

Table 41 - Field-Installed Main Circuit Breaker Kits, 1Ø

QOM2 Frame Size — (Use with Convertible Main Load Centers only)

22 k AIR 105
Main Circuit Breaker Convertible Load Lug Wire Size
Rating 104 Center Mains Rating Main Circuit Breaker AWG/kcmil 106
107

100 A QOM2100VH

125 A 150–225 QOM2125VH

150 A QOM2150VH
4–300 Al or Cu
175 A QOM2175VH
200–225
QOM2100VH 200 A QOM2200VH

225 A 225 QOM2225VH

Table 42 - Field-Installed Main Lug Kits, 1Ø

Use on
Main Convertible
Field-Installed Frame Lug Wire Size 106
Ampere Load Center Cat. No.
Main Type Size AWG/kcmil
Rating 104 with Mains
Rating

QOL125 QOL125 6–2/0 Al or Cu

— 125 A 100–125 A
Main Lugs 108 QOL125VD 4–4/0 Al or Cu

— 225 A 150–225 A QOL225 6–300 Al or Cu

104. Do not exceed the load center mains rating.

105. 22 k AIR main circuit breaker UL Listed for use ahead of QO, QOT and QO-PL 10 k AIR branch circuit breakers to permit their application
on systems with up to 22 kA available fault current.
106. Wire range listed for QOM circuit breaker kits is the wire range of that circuit breaker. To find out maximum wire size permitted in a
particular load center per UL, see Main Wire Size in that load center table.
107. Add suffix 1021 for 120, 208 or 240 Vac shunt trip.
108. If main circuit breaker knockout has been removed from the load center’s trim, order appropriate filler plate from QO/Homeline
Accessories, page 72.

1100CT0501 57
 Homeline Load Centers

Rainproof, HOM Fixed and Convertible Mains (70–225 A) Main Lugs

HOM24L70RB HOM48L125GRB HOM612L100RB

Table 43 - HOM Standard Load Center Main Lugs, Fixed Mains

(1Ø3W–120/240 Vac Rainproof UL—Listed)

Equipment
Max. Load Center Box, Main Wire Size AWG/ Ground Bar Kit
Mains Max. Single
Spaces Tandam Interior and Cover kcmil (Order Separately Box
Rating Pole
Circuit No.
Circuits 109
Breakers Cat. No. (DE3C) Cat. No. (DE3A)
Al Cu

Main Lugs—10 kA Short Circuit Current Rating

Factory-installed Fixed Main Lugs, 10 kA Short Circuit Current Rating

70 A 2 4 2 HOM24L70RB 110 12–3 14–4 PK4GTA 1R

100 A 6 12 6 HOM612L100RB 111 8–1 PK7GTA 2R
PK7GTA
125 A 4 8 4 HOM48L125GRB 12–2/0 14–2/0 15R
Included

Table 44 - HOM Plug-on Neutral Load Center Main Lugs, Convertible Mains
(1Ø3W–120/240 Vac Rainproof UL—Listed)

Equipment
Max. Load Center Box, Main Wire Size AWG/ Ground Bar Kit
Mains Max. Single
Spaces Tandam Interior and Cover kcmil (Order Separately Box
Rating Pole
Circuit No.
Circuits 112
Breakers Cat. No. (DE3C) Cat. No. (DE3A)
Al Cu

Convertible Mains with Factory-installed Main Lugs 112, QOM1 Main Frame Size—Convertible to Main Circuit Breaker

8 16 8 HOM816L125PRB
3R
12 24 12 HOM1224L125PRB
125 A 6–2/0 6–1 PK9-27GTA(L)
20 40 20 HOM2040L125PRB 4R
24 48 24 HOM2448L125PRB 6R
Convertible Mains with Factory-installed Main Lugs 113, QOM2 Main Frame Size—Convertible to Main Circuit Breaker

12 12 0 HOM12L225PRB 5R
16 32 16 HOM1632L225PRB
6R
20 40 20 HOM2040L225PRB
225 A 4–300 4–250 PK9-27GTA(L)
30 60 30 HOM3060L225PRB 7R
40 80 40 HOM4080L225PRB
14R
42 84 42 HOM4284L225PRB

109. Maximum single pole branch circuits utilizing HOM and/or HOMT circuit breakers.
110. HOM-GFI and HOM-AFI branch circuit breakers are limited to number 10 maximum wire.
111. 70 A maximum branch circuit breaker, 100 A maximum back feed main circuit breaker.
112. Side hinge door device allow 1-1/4 in. on left side for door to open.
113. Convertible mains with factory-installed main lugs, QOM2 main frame size—convertible to main circuit breaker.

58 1100CT0501
Homeline Load Centers

Rainproof, HOM Convertible Mains (100–200 A) — Main Breaker

HOM2448M125PRB HOM3060M200PRB

Table 45 - HOM Plug-on Neutral Load Center Main Breaker, Convertible Mains (1Ø3W–120/240 Vac
Rainproof—UL Listed)

Max. Max. Load Center Box, Main Wire Size Equipment Ground Bar
Mains Single Tandam Interior and Cover AWG/kcmil Kit (Order Separately Box
Spaces
Rating Pole Circuit No.
Circuits 114 Breakers Cat. No. (DE3C) Al Cu Cat. No. (DE3A)

Main Circuit Breaker—22 kA Short Circuit Current Rating Convertible Mains with Factory-Installed Main Circuit Breaker,
QOM1 Main Frame Size—Convertible to Main Lugs or Lower Amperage Main Circuit Breaker 115

8 16 8 HOM816M100PRB
3R
100 A 12 24 12 HOM1224M100PRB
20 40 20 HOM2040M100PRB 6–2/0 6–1 PK9-27GTA(L) 4R
8 16 8 HOM816M125PRB 3R
125 A
24 48 24 HOM2448M125PRB 6R
Convertible Mains with Factory-installed Main Circuit Breaker,
QOM2 Main Frame Size—Convertible to Main Lugs or Lower Amperage Main Circuit Breaker

150 A 30 60 30 HOM3060M150PRB 7R
12 12 0 HOM12M200PRB 5R
20 40 20 HOM2040M200PRB 4–250 PK9-27GTA(L) 6R
200 A
30 60 30 HOM3060M200PRB 7R
40 80 40 HOM4080M200PRB 14R
Convertible Mains with Factory-installed Main Circuit Breaker with Feed-thru Lugs,
QOM2 Main Frame Size—Convertible to Main Lugs or Lower Amperage Main Circuit Breaker 116

150 A HOM816M150PFTRB
8 16 8 4–250 PK9-27GTA(L) 6R
200 A HOM816M200PFTRB

114. Maximum single pole branch circuits utilizing HOM and/or HOMT circuit breakers.
115. 22 k AIR main circuit breaker UL Listed for use ahead of HOM and HOMT 10 k AIR branch circuit breakers to permit their application on
systems with up to 22 kA available fault current.
116. Side hinge door device allow 1-1/4 in. on left side for door to open.

1100CT0501 59
 Homeline Load Centers

Homeline Label Samples

Homeline Box Label Sample
• Number of
circuits maximum
• Enclosure catalog
number
• Catalog number
of covers; flush or
surface • UL manifest
• See load center • Date code
interior for the Short circuit • Plant code
catalog number ratings and
additional or • Label part number
• Voltage ratings
Wire range for lug torque replacement • Manufacturer
• Amperage rating data table Short circuit ratings circuit breakers trademark

Homeline Wiring Diagram Sample

• Service Equipment marking. Unused
neutral branch terminal for equipment
grounding, service equipment
Alternate wiring diagram application only
for main circuit breaker • Installation of back-fed main circuit Square D circuit breakers that
or main lug breaker and required kit Load center accessories may be used in this load center

Suitable for use with 75°C Copper or Aluminum main Suitable for use as Service equipment when Service Disconnect (Main Breaker) Load Center Accessories - Kits Two single poles, one plug on space or
conductors. See branch breakers for branch wire is installed. Suitable for use as Service equipment when not more than six main HOM4RK2LA Back-fed Main Cir. Brkr. may use one single pole. One two pole
rating. disconnecting means are provided and when not used as a lighting and appliance Retaining requere two spaces.
branch circuit panelboard. See NEC, ANSI / NFPA 70. When used as Service PKSB1LA Service Entrance Barrier
equipment, all unused neutral terminals may be used for terminating equipment HOM2175SB Plug-On Surge Arrestor *
SDSA1175 1 Phase Surge Arrestor
ground wires. When used as Service equipment install service entrance barrier Kit HOMCRBGK1 Generator Interlock Kit
PKSB1LA for QOM1 Breakers. For back-fed main applications install: QOSAMK SDSA1175 Mounting Bracket
HOM4RK2LA. Service entrance barrier does not allow the load center to be HOML2125 1 Phase Plug-on Subfeed Lugs *
serviced energized. PK9--27GTA(L) Equipment Ground Bar
PKGTAB Equipment Ground Bar Insulator
LK70AN Neutral Terminal Kit
1. Box bonding when required. / Conexión a la caja cuando sea necesario. 14-2 AWG Al/Cu wire
2. Main breaker type: / Interruptor automático principal tipo: QOM1 or/o QOM1A. LK100AN Neutral Terminal Kit
3. Service ground when required. / Tierra de acometida cuando fuese necesario. 6-2/0 AWG Al/Cu wire * May plug on two adjacent spaces.
QOL125 Main Lugs
4. For back-fed main applications install: / Para aplicaciones de dispositivos PK6FL Door Lock Kit Torque Note: When interior mounting screws are
principales de alimentación inversa instale el kit: HOM4RK2LA. QOL125VD 4/0 Lug Kit loosened or removed, retighten to 35 lb-in.
5. Main lugs kit no.: / No. de accesorio de las zapatas principales: QOL125. Torque Note: When main breaker or main lug
6. Extended neutrals shown are for plug on neutral ready interiors. / Los neutros connector mounting nuts are loosened or removed,
extendidos que se muestran son para interiores preparados con neutro retighten to 75 lb-in.
enchufable.
Equipment Grounding Terminals
Assembled in US with
US & Foreign Parts QGH65716

60 1100CT0501
Homeline Load Centers

Homeline Wiring Diagrams

Homeline Load Centers — Main Lugs
NOTE: See each catalog number’s associated technical drawing online for
additional wiring diagram details.

Figure 7 - Homeline Load Centers – Main Lugs

HOM24L70F/S
HOM24L70RB HOM612L100 HOM816L125PC
HOM612L100RB HOM816L125PRB
HOM48L125GC HOM12L225PRB
HOM48L125GRB

HOM1224L125PC
HOM1224L125PRB HOM1632L125PC
HOM1632L225PRB
HOM2040L125PC
HOM2040L125PRB
HOM2040L225PRB HOM2448L125PRB

HOM3060L125PC
HOM3060L225PC
HOM3060L225PRB

HOM816L125PGC

HOM2040L125PGC
HOM2040L225PGC

HOM1224L125PGC
HOM4080L225PC
HOM4080L225PRB HOM4284L225PC
HOM4284L225PRB

HOM60120L225PC

HOM1632L225PGC
HOM2448L125PGC
HOM2448L125PGC

HOM3060L225PGC
HOM3060L125PQGC HOM4080L225PGC HOM4284L225PGC
HOM3060L225PQGC HOM4080L225PQGC HOM4284L225PQGC

1100CT0501 61
 Homeline Load Centers

Homeline Load Centers — Main Breaker

Figure 8 - Homeline Load Centers – Main Breaker

HOM816M100PC
HOM816M100PRB
HOM816M125PRB HOM816M150PFTRB HOM12M200PRB HOM1224M100PC
HOM816M200PFTRB HOM1224M100PRB

HOM2040M100PC
HOM2040M150PTBP
HOM2040M200PC
HOM2040M100PRB
HOM2040M200PRB

HOM3060M100PC
HOM3060M125PC
HOM3060M150PC

HOM3060M200PC
HOM3060M200PQC
HOM2448M100PC HOM3060M200PCEP HOM4080M200PC HOM4284M200PC
HOM2448M125PC HOM3060M150PRB HOM4080M200PQC HOM4284M225PC
HOM2448M125PRB HOM3060M200PRB HOM4080M200PRB HOM4284M200PQC HOM60120M200PC

Homeline Value Packs and Covers

Value Pack Offer
Different value pack combinations offer an affordable mix of products for load
center customers. Value packs are ideal for new construction, upgrades and
remodels. Designed to meet various needs, special packs are combined for
Homeline products.
We’ve got you covered, the covers are included.
Indoor Homeline covers are available in gray or white colors; these can be
purchased separately and limit loss or damage if stored at the job site.
Mono-Flat covers, a high-end alternative with aesthetically pleasing design and
low profile surface with concealed mounting screws and door hinges, are an
alternative to our standard covers.

62 1100CT0501
Homeline Load Centers

Plug-on Neutral Load Center Value Packs

HOM3060L225PGCVP HOM2040M100PCVP

Table 46 - Plug-on Neutral Indoor Load Center Value Packs (compatible with Plug-on Circuit Breakers and
Plug-on Neutral Circuit Breakers)

Equipment
Load Center Box, Interior, Cover and Branch Ground Bar Kit Main Wire Size
Max.
Mains Max. 1P Circuit Breakers (Order AWG/kcmil
Spaces Tandem Box
Rating Circuits Separately)
117 Circuit No. 118
Breakers
Included Load Center/
Cat. No. Cat. No. AI Cu
Circuit Breakers
Homeline Convertible Mains—Factory-Installed Main Lugs (accepts only HOM Plug-On Circuit Breakers)
10 kA Short Circuit Current Rating Convertible to appropriate QOM 22 kA Short Circuit Current Rating Main Circuit Breaker

(1) HOM1224L125PGC PKGTALP1

125 A 12 24 12 HOM1224L125PGCVP (2) HOM120 6–2/0 6–1 6
Included

(1) HOM3060L225PGC
(3) HOM120 PKGTALP2
225 A 30 60 30 HOM3060L225PGCVP 4–300 4–250 10
(2) HOM230 Included

(1) HOM2040M100PC
HOM2040M100PCVP (2) HOM120
(1) HOM230
20 40 20 (1) HOM2040M100PC 6–1 6–3 7
PK9-27GTA(L)
(2) HOM120
100 A HOM2040M100PC1AVP (Order
(1) HOM230
Separately)
(1) HOM115PCAFI

(1) HOM2448M100PC
24 48 24 HOM2448M100PCVP (3) HOM120 6–2/0 6–1/0 8
(2) HOM230

117. Maximum single pole branch circuits utilizing QO and/or QOT (20 A MAX. NON-CTL) circuit breakers.
118. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

1100CT0501 63
 Homeline Load Centers

Table 46 - Plug-on Neutral Indoor Load Center Value Packs (compatible with Plug-on Circuit Breakers and
Plug-on Neutral Circuit Breakers) (Continued)

Equipment
Load Center Box, Interior, Cover and Branch Ground Bar Kit Main Wire Size
Max.
Mains Max. 1P Circuit Breakers (Order AWG/kcmil Box
Spaces Tandem
Rating Circuits Separately) No.
119 Circuit 120
Breakers
Included Load Center/
Cat. No. Cat. No. AI Cu
Circuit Breakers
(1) HOM3060M150PC
30 30 30 HOM3060M150PCVP (3) HOM120 10
(2) HOM230

(1) HOM2040M200PC
20 40 20 HOM2040M200PCVP (3) HOM120 9
(2) HOM230
PK9-27GTA(L)
150 A (Order
(1) HOM3060M200PC
Separately)
HOM3060M200PCVP (3) HOM120
(2) HOM230
30 60 30 (1) HOM3060M200PC
(3) HOM120
HOM3060M200PC1AVP (2) HOM230 10
(1) HOM115PCAFI

(1) HOM3060M200PC 4–250

(3) HOM120
30 60 30 HOM3060M200PCAFVP (2) HOM230
(3) HOM115PCAFI

(1) HOM4080M200PC
HOM4080M200PCVP (3) HOM120
(2) HOM230
PK9-27GTA(L)
200 A (Order
(1) HOM4080M200PC
Separately)
(3) HOM120
HOM4080M200PC1AVP (2) HOM230
40 80 40 12
(1) HOM115PCAFI

(1) HOM4080M200PC
(3) HOM120
HOM4080M200PCAFVP (2) HOM230
(3) HOM115PCAFI

Table 47 - Plug-on Neutral with Qwik-Grip Indoor Load Center Value Packs — (compatible with Plug-on
Circuit Breakers and Plug-on Neutral Circuit Breakers)

Equipment
Max. Ground Bar Kit Main Wire
Load Center Box, Interior, Cover and Branch
Tandem (Order Size
Mains Max. 1P Circuit Breakers Box
Spaces Circuit Separately) AWG/kcmil
Rating Circuits No. 120
Break-
ers Included Load Center/
Cat. No. Cat. No. AI Cu
Circuit Breakers
Homeline Convertible Mains—Factory-Installed Main Circuit breaker, 22 kA Short Circuit Current Rating—Copper Bus,
QOM1 Main Frame Size, Convertible to Main Lugs or Main Breaker

(1)
HOM2040M100PQC
(2) HOM120
100 A 20 40 20 HOM2040M100PQCVP (1) HOM230 and 6–1 6–3 7Q
(1) PKQGA Qwik-Grip
assembly kit
PK9-27GTA(L)
(1)
HOM3060M200PQC
(3) HOM120
200 A 30 60 30 HOM3060M200PQCVP (2) HOM230 and 4–250 10Q
(1) PKQGA Qwik-Grip
assembly kit

119. Maximum single pole branch circuits utilizing QO and/or QOT (20 A MAX. NON-CTL) circuit breakers.
120. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

64 1100CT0501
Homeline Load Centers

Table 47 - Plug-on Neutral with Qwik-Grip Indoor Load Center Value Packs — (compatible with Plug-on
Circuit Breakers and Plug-on Neutral Circuit Breakers) (Continued)

Equipment
Max. Ground Bar Kit Main Wire
Load Center Box, Interior, Cover and Branch
Tandem (Order Size
Mains Max. 1P Circuit Breakers Box
Spaces Circuit Separately) AWG/kcmil
Rating Circuits No. 121
Break-
ers Included Load Center/
Cat. No. Cat. No. AI Cu
Circuit Breakers
(1)
HOM4080M200PQC
(2) HOM120
200 A 40 80 40 HOM4080M200PQCVP (1) HOM230 and 4–250 12Q
(1) PKQGA Qwik-Grip
assembly kit

Table 48 - Plug-on Neutral Rainproof Load Center Value Packs (compatible with Plug-on Circuit Breakers
and Plug-on Neutral Circuit Breakers)

Equipment
Ground Bar Kit Main Wire
Load Center Box, Interior, Cover and Branch
Max. (Order Size
Circuit Breakers Box
Mains Max. 1P Tandem Separately) AWG/kcmil
Spaces No.
Rating Circuits Circuit 121
Breakers Included Load
Cat. No. Center/Circuit Cat. No. AI Cu
Breakers
Homeline (Accepts Only HOM Plug-On Circuit Breakers) Convertible Mains—Factory-Installed Main Circuit Breaker,
22 kA Short Circuit Current Rating Convertible to Main Lugs or Lower Amperage QOM2 Main Circuit Breaker

(1)
HOM1224M125PRB
125 A 12 24 12 HOM1224M125PRBVP (3) HOM120 6–2/0 6–1 3R
(2) HOM230
PK9-27GTA(L)
(1)
HOM3060M200PRB
200 A 30 60 30 HOM3060M200PRBVP (3) HOM120 4–250 7R
(2) HOM230

Table 49 - Plug-on Neutral Load Center Value Packs with Surge Protective Device (compatible with Plug-
on Circuit Breakers and Plug-on Neutral Circuit Breakers)

Max. Load Center Box, Interior, Cover and Branch Equipment Main Wire Size
Max.
Mains Tandem Circuit Breakers Ground Bars AWG/kcmil
Spaces 1P Box
Rating Circuit
Cir- Included Load Center/ No.
Break- Cat. No. Cat. No. Al Cu
cuits Circuit Breakers/SPD
ers
(1) HOM3060l225PGC
(1) HOM230
(2) HOM120, PKGTALP2
225 A 30 60 30 HOM3060L225PGCSVP2 4-300 4-250 10
(1) Plug-on Neutral Included
HOM250PSPD,
Cover and Ground Bar
(1) PK15GTA
HOM816M200PFTRB (Order
200 A 8 16 8 HOM816M200PFTRBSP2 4-250 6R
(1) Plug-on Neutral Separately)
HOM250PSPD

121. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.

1100CT0501 65
 Homeline Load Centers

Homeline Load Center Covers

HOMC12UCW HOMC24UC HOMCMF60UC

Table 50 - Homeline Load Center Covers

Homeline Standard Covers

Homeline Mono Flat Covers
Mains Rating Spaces Combination Combination
Gray White Gray
8 HOMC8UC — —
100 A 12 HOMC12UC HOMC12UCW —
24 HOMC24UC HOMC24UCW —
8 HOMC12UC HOMC12UCW —
12 HOMC12UC HOMC12UCW —
125 A 16 HOMC24UC HOMC24UCW —
20 HOMC24UC HOMC24UCW —
24 HOMC24UC HOMC24UCW —
16 HOMC20UC HOMC20UCW —
150 A 20 HOMC20UC HOMC20UCW —
30 HOMC30UC HOMC30UCW —
12 HOMC20UC HOMC20UCW —
16 HOMC20UC HOMC20UCW —
20 HOMC20UC HOMC20UCW —
200 A 30 HOMC30UC 121 HOMC30UCW —
40 HOMC42UC — —
42 HOMC42UC — —
60 HOMC60UC — HOMCMF60UC
16 HOMC20UC HOMC20UCW —
20 HOMC20UC HOMC20UCW —
30 HOMC30UC HOMC30UCW —
225 A
40 HOMC42UC — —
42 HOMC42UC — —
60 HOMC60UC — HOMCMF60UC

121. Extra long version available HOMC30UFL.

66 1100CT0501
QO/Homeline Load Centers

QO/Homeline Load Centers

QO vs. Homeline Load Centers
Table 51 - QO vs. Homeline Load Centers

QO Load Centers Homeline Load Centers

QO 3/4 in. breakers UL Listed Homeline 1 in. circuit

feature Visi-Trip Only for Square D breakers
trip to center position Circuit Breakers trip to center position

PON circuit breakers PON circuit

Accepts Plug-on breakers installed on
installed on any space
Neutral CAFIs any space
in select Load Centers

Top and split neutral plus Fully distributed

Backed-out Neutral
(2 or 3) #1 AWG split neutral
Terminal Screws
terminals

Tin-plated copper Tin and copper plated

Bus Bars
aluminum
Shielded Bus Bars Not shielded
3/4 in. per 1 Pole 1 in. per 1 Pole
space 40 spaces/circuit space 40 space/circuit
Circuit Breaker Format
= 33 3/4 in. Tail = 39 1/2 in. Tall
Enclosure Enclosure
Option for Surface or
Flush covers that ship Combo cover (in carton)
separately, or a combo Cover Options shipped with Load
cover (in carton) shipped Center
with Load Center

Combo cover (in carton)

Lifetime Limited Warranty shipped with Load
Center

QO/Homeline Enclosure Dimensions and Knockout Information

Indoor Load Centers
Table 52 - Enclosure Dimensions for Indoor Load Centers

Box W H D Box W H D
No. in. mm in. mm in. mm No. in. mm in. mm in. mm
1 3.81 97 6.72 171 3.00 76 14 14.25 362 20.92 531 3.75 95
2 4.81 122 9.30 236 3.19 81 15 20.00 508 50.00 1270 5.75 146
3 4.81 122 9.30 236 3.19 81 16 20.00 508 62.00 1730 5.75 146
4 8.88 226 12.57 319 3.80 97 17 20.00 508 53.00 1350 5.75 146
5 14.25 362 14.92 379 3.75 95 18 5.88 149 16.12 409 3.38 86
6 14.25 362 17.92 455 3.75 95 19 7.56 192 23.12 587 4.25 108
7 14.25 362 20.92 531 3.75 95 20 9.62 244 26.12 663 4.75 121
8 14.25 362 26.04 661 3.75 95 21 8.88 226 14.80 376 3.80 97
9 14.25 362 29.86 758 3.75 95 22 8.55 217 23.92 608 3.95 100
10 14.25 362 33.78 858 3.75 95 23 14.25 362 29.86 758 3.75 95
11 14.25 362 37.98 965 3.75 95 24 14.25 362 43.15 1100 3.75 95
12 14.25 362 39.37 1000 3.75 95 25 14.25 362 48.5 1240 3.75 95
13 5.88 149 13.12 333 3.38 86 26 14.25 362 33.78 858 3.75 95

1100CT0501 67
 QO/Homeline Load Centers

Table 53 - Knockouts for Indoor Load Centers

Symbol A B C D E F G H I

Conduit
1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2
Size

B,C,D,E

D,E,F,G

D,E,F,G

B,C,D,E

B,C,D,E

B,C,D,E

D,E,F,G D,E,F,G

D,E,F,G
C,D,E,F

68 1100CT0501
QO/Homeline Load Centers

Indoor Load Centers with Qwik-Grip

Table 54 - Enclosure Dimensions for Indoor Load Centers with Qwik-Grip

W H D
Box No.
in. mm in. mm in. mm

7Q 20.92 531

8Q 26.04 661

9Q 29.86 758
14.25 362 3.75 95
10Q 33.78 858

11Q 37.98 965

12Q 39.37 1000

A,B A C,D,E,F D,E,F,G

A,B
A,B C,D,E,F A,B,C
A C,D,E,F B,C,D,E
A,B D,E,F,G
D,E,F,G
C,D,E,F A,B,C
A,B A C,D,E,F A,B
A,B
B,C
A,B,C
C,D,E,F
B,C,D,E

A,B A,B

A,B

A A

A,B,C,D A,B,C,D A,B,C,D

B,C,D,E D,E,F,G
C,D,E,F

Box 7Q Box 8Q Box 9Q

A,B A C,D,E,F D,E,F,G

A,B A C,D,E,F D,E,F,G A,B
B,C,D,E
C,D,E,F A,B A,B,C
A,B A,B,C D,E,F,G
A C,D,E,F D,E,F,G A,B D,E,F,G
D,E,F,G D,E,F,G
C,D,E,F
A,B,C
D,E,F,G D,E,F,G B,G
B,C

B,C
A,B

A,B
A,B
A

A
A

A,B,C,D A,B,C,D D,E,F,G A,B,C,D

D,E,F,G D,E,F,G
C,D,E,F C,D,E,F C,D,E,F

Box 10Q Box 11Q Box 12Q

1100CT0501 69
 QO/Homeline Load Centers

Rainproof Load Centers

Table 55 - Enclosure Dimensions for Rainproof Load Centers

W H D
Box No.
in. mm in. mm in. mm

1NM 6.52 166 8.79 223 3.90 99

1R 122 4.88 124 9.38 238 4.00 102
2R 8.88 226 12.65 321 4.27 108
3R 18.92 481
4R 22.06 560
5R 26.04 661
14.75 375 4.52 115
6R 29.86 758
7R 33.78 858
8R 37.98 965
9R 4.56 116 6.50 165 3.88 99
10R 6.92 176 13.18 335 4.12 105
11R 7.56 192 23.24 590 4.75 121
12R 9.62 244 26.24 666 5.50 140
13R 6.92 176 16.18 411 4.12 105
14R 14.75 375 39.37 1000 4.52 115
15R 8.88 226 14.8 376 4.27 108
16R 8.55 217 24.75 629 4.16 106
17R 8.88 226 12.65 321 4.27 108

Table 56 - Knockouts for Rainproof Load Centers

Symbol A B C D E F G H

Conduit Size 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3

122. HOME250SPA and QO260NATR top endwall has no hub opening.

70 1100CT0501
QO/Homeline Load Centers

[35] HOME250SPA and QO260NATR top endwall has no hub opening.

QO/Homeline Bolt-On Hubs

Square D equipment with R or RB suffix, designated NEMA 3R rainproof
construction, utilizes bolts-on hubs listed below. The RB devices will accept 3/4 in.
through 2 1/2 in. bolt-on hubs without the use of reducers.
Off-center conduit thread openings and elongated mounting holes provide quick
and easy adjustment to eliminate costly conduit offsets and bends. Catalog
devices with suffix R require 3 in. through 4 in. field cut opening. Hubs are suitable
for use with conduit having ANSI standard taper pipe thread.

B075 Table 57 - UL Listed Bolt-On Hubs for RB Devices

Hub Cat.
B075 B100 B125 B150 B200 B250
No.
Conduit
3/4 in. 1 in. 1-1/4 in. 1-1/2 in. 2 in. 2-1/2 in.
Size

NOTE: Closing cap (catalog number B-CAP) is provided factory-installed on

each device with the RB suffix.
B150
Table 58 - UL Listed Enclosure Coupling for RB Devices

(Designed for mounting in field cut opening.

Includes gasket and four mounting bolts and nuts.)

Hub Cat. No. B300 B400

Conduit Size 3 in. 4 in.

B250

1100CT0501 71
 QO/Homeline Load Centers

QO/Homeline Accessories
Table 59 - Circuit Identification Stickers

Load Center Cat. No. Usage Information

Circuit identification stickers for use on cover

QO and Homeline PSDS directory labels to identify branch circuits

PSDS Table 60 - Cover Sealing Strap

Load Center Cat. No. Usage Information

Provides means of sealing trim mounting

QO QO1SE
screws on QO load center covers

QO1SE Table 61 - Door Lock Kits

(Available for indoor load centers. Two keys provided with each lock kit.)

Load Center Cat. No. Usage Information

Use with QO612L100DF/S,

QO612L100DFCU/SCU, QO612L100DTF/
QO PK8FL 123 S, QO816L100DF/S, QO816L100DFCU/
PK8FL SCU, QO816L100DTF/S, QO48M30DSGP,
or QO48M60DSGP

Use with convertible mains, 1Ø and 3Ø

QO and Homeline PK6FL 100–225 A, and fixed mains, 3Ø 125–225 A
indoor load centers
PK6FL
QO Use with 300 and 400 A indoor load centers
PK4FL

Table 62 - Filler Plates

(Fast to install, snap-in type)

PK4FL Load Center Cat. No. Usage Information

Use on QO load center cover to fill unused

QO QOFP branch circuit breaker opening

Fills main circuit breaker opening in convertible

QOM1FP
load center covers 100–125 A
QO and Homeline
Fills main circuit breaker opening in convertible
QOM2FP
load center covers 150–225 A
QOFP
Fills main circuit breaker opening in Q style 3Ø
QO QO2FP load center covers (S03 Series)

Use on Homeline load center cover to fill

Homeline HOMFP unused branch circuit breaker opening

QO2P

HOMFP

123. QO403L60NF/S does not have provisions for a field-installed lock.

72 1100CT0501
QO/Homeline Load Centers

Table 63 - Handle Padlock Attachments

Load Center Cat. No. Usage Information

For padlocking main circuit breakers in

QOM1PA
QOM1PA convertible load center OFF
QO and Homeline
For padlocking main circuit breakers in
QOM2PA
convertible load center OFF

Table 64 - Neutral Bonding Screw

QOM2PA
Load Center Cat. No. Usage Information

For use on all Homeline and QO 125

4028344850K
convertible main load centers
4028344850K
For use on QO 150–225 convertible main load
QO and Homeline 4028345850K
centers
For use on QO and Homeline convertible main
PKNBSCP
load centers
4028345850K
Table 65 - Neutral / Ground Lugs

Load Center Cat. No. Usage Information

LK70AN Field-installed for 12– 2 Al or 14–4 Cu AWG wire

QO and Homeline LK100AN Field-installed for 6–2/0 Al/Cu AWG wire
LK70AN LK125AN Field-installed for 14–2/0 Al/Cu AWG wire
LK150AN Field-installed for 2–3/0 Al/Cu AWG wire
QO Field-installed for 4 AWG to 300 kcmil Al/Cu wire.
LK225AN Use in Series S, 150-225 A QO load center.

LK22ANHOM
Table 66 - Replacement Cover Directory Label

Load Center Cat. No. Usage Information

1 through 42 numbered universal replacement

LSDL directory label for load center covers
QO and Homeline
1 through 42 universal circuit directory kit, including
UCD42CP circuit identification labels

UCD42CP

1100CT0501 73
 QO/Homeline Load Centers

Table 67 - Retaining Kit for Breakers Used as Backfed Mains

Load Center Cat. No. Usage Information

(Back-fed main circuit breaker retaining kits secure 2-pole, 10-125 A circuit breakers to single-phase
or three-phase mains interiors when used as back-fed main circuit breakers. Mounting of retaining
PK2MB kits is based on top-feed applications.)

Fasten circuit breaker to interior when used as a back-fed

main. For QO612L100F/S, RB, QO612L100DF/S,
PK2MB QO816L100F/S, RB, QO816L100DF/S and
QO148L125GF/S, GRB load centers.

Fasten 3P circuit breaker without accessories to left side

PK3MB of interior when used as a back-fed main. For 3Ø load
PK5RK centers.
Fasten circuit breaker to interior when used as a back-fed
QO PK5RK
main for 2P QO 150–200 A circuit breakers.

Fasten one circuit breaker with or without electrical

accessories to right side of interior when used as a back-
PK4MB2LA PK4MB2LA
fed main. For 1Ø 100–125 ampere convertible main load
centers. Series S01 and S02
Fasten one circuit breaker with or without electrical
accessories to right side of interior when used as a back-
PK4MB2HA
fed main. For 1Ø 150–225 ampere convertible main load
centers. Series S01 and S02
Fasten circuit breaker to interior when used as a back-fed
PK4MB2HA HOM1RK main. For HOM612L100F/S, RB and HOM48L125GC,
GRB load centers.
Fasten one circuit breaker right side of interior when used
HOM4RK2LA as a back-fed main. For 100–125 A convertible main load
centers, Series S01 and S02
Homeline
Fasten one circuit breaker right side of interior when used
HOM1RK HOM4RK2HA as a back-fed main. For 150–225 A convertible main load
centers, Series S01 and S02

Fasten circuit breaker to interior when used as a back-fed

HOM5RK
main. For 2P 150–200 A circuit breakers.

Table 68 - Service Entrance Barriers

HOM4RK2HA
Load Center Cat. No. Usage Information

QO / Homeline 1Ø 100–125 A QOM1 convertible

PKSB1LA
main load centers
HOM5RK QO and Homeline
QO / Homeline 1Ø 150–225 A QOM2 convertible
PKSB1HA
main load centers

PKSB3 QO 3Ø convertible main load centers

QO PKSB1QOBF QO 1Ø back-fed main breaker applications

PKSB3BF QO 3Ø back-fed main breaker applications

PKSB1HA Homeline PKSB1HOMBF Homeline back-fed main breaker applications

PKSB3

PKSB3BF

74 1100CT0501
QO/Homeline Load Centers

Table 69 - Generator Circuit Breaker Interlock Kit

Load Center Cat. No. Usage Information

For use on G and S Series NEMA 1 and G, S1 and

QOCRBGK1C S2 Series NEMA 3R load centers. Interlocks a
QOCRBGK1C QOM1 2P main circuit breaker of a load center
(100–125 A) with a QO 2P (15–125 A) branch
circuit breaker. Includes a retaining kit.

For use on G and S Series NEMA 1 and G and S1

Series NEMA 3R load centers. Interlocks a QOM2
QO 2P main circuit breaker of a load center (150–225
QOCGK2C
QOCGK2C A) with a QO 2P (15–125 A) branch circuit breaker.
Includes a retaining kit.

For use on S2 Series NEMA 3R load centers.

Interlocks a QOM2 2P main circuit breaker of a load
QORBGK2C center (150–225 A) with a QO 2P (15–125 A)
branch circuit breaker. Includes a retaining kit.

QORBGK2C For use on S Series NEMA 1 and NEMA 3R load

centers. Interlocks a QOM1 2P main circuit breaker
HOMCRBGK1C of a load center (100–125 A) with a Homeline 2P
(15–125 A) branch circuit breaker.

For use on S Series NEMA 1 and S1 Series NEMA

3R load centers. Interlocks a QOM2 2P main circuit
Homeline HOMCGK2C breaker of a load center (150–225 A) with a
Homeline 2P (15–125 A) branch circuit breaker.
HOMCGK2C
For use on S2 and S3 Series NEMA 3R QOM2 load
centers. Interlocks a QOM2 2P main circuit breaker
HOMRBGK2C of a load center (150–225 A) with a Homeline 2P
(15–125 A) branch circuit breaker.

HOMRBGK2C
Table 70 - Qwik-Grip Load Center Accessories

Load Center Cat. No. Usage Information Qty.

Qwik-Grip replacement shield — Qwik-Grip

PKQGS 1
shield

PKQGFP Qwik-Grip fillers — Qwik-Grip fillers 10

PKQGFP QO and
Homeline Qwik-Grip replacement insert — Qwik-Grip
PKQGI 1
insert
Qwik-Grip assembly kit — Qwik-Grip shields,
PKQGA Qwik-Grip fillers 4 each

PKQGI

1100CT0501 75
 QO/Homeline Load Centers

Table 71 - Manual Transfer Equipment Kit

(Manual transfer equipment kits secure two 2-pole, 10-125 A circuit breakers.)

Load Center Load Center Usage Information

QO2DTI
For interlocking the handles of two 2P or one 2P
and one 1P QO and Q1 circuit breakers mounted
QO2DTI
side-by-side so that only one circuit breaker can be
ON at a time.
QO2DTI mechanical interlock attachment with
retaining kits for securing two adjacent back-fed
QODTIM QODTIM circuit breakers in dual power supply applications.
Can be used with (2) 2P or (1) 2P and (1) 1P QO
circuit breakers in QO816L100 load centers.
QO Secures two 2P circuit breakers to right side of
interior when used as back-fed mains, a QO2DTI
PK4DTIM4LA Kit included for back-up power supply applications.
For 1Ø 100–125 ampere convertible main load
centers. Series S01 and S02.
PK4DTIM4LA Secures two 2P circuit breakers to left side of
interior when used as back-fed mains, a QO2DTI
PK4DTIM4LAL Kit included for back-up power supply applications.
For 1Ø 100–125 ampere convertible main load
centers. Series S01 and S02.

Table 72 - Ground Bar Kits

PK4DTIM4LAL
(Field-installable in all load centers. Same wire size as neutral terminals. Suitable for copper
or aluminum wire)

Load Center Load Center Usage Information

PK3GTA1 Ground Bar Assembly—3 connectors

PK7GTA
PK4GTA Ground Bar Assembly—4 connectors

QO and Homeline PK5GTA Ground Bar Assembly—5 connectors

PK7GTA Ground Bar Assembly—7 connectors

PK12GTA
PK9GTA Ground Bar Assembly—9 connectors

QO PK12GTA Ground Bar Assembly—12 connectors

PK15GTA Ground Bar Assembly—15 connectors

PK18GTA Ground Bar Assembly—18 connectors

PK15GTA6 QO and Homeline
PK23GTA Ground Bar Assembly—23 connectors

PK27GTA Ground Bar Assembly—27 connectors

Ground Bar Assembly—21 connectors. Use in

PK15GTA6 high amperage load centers
QO
PK15GTAL Standard PK15GTA with a 1–4/0 Al/Cu Lug
PKGTALP1
QO and Homeline PK18GTAL Standard PK18GTA with a 1–4/0 Al/Cu Lug

QO PK23GTAL Standard PK23GTA with a 1–4/0 Al/Cu Lug

Ground Bar Pack— PK9GTA, PK9GTA, and

PKGTALP1
LK100AN
PKGTAB Ground Bar Pack— PK9GTA, PK18GTA, and
PKGTALP2
LK100AN
QO and Homeline
Ground Bar Pack—PK15GTA, PK18GTA, and
PKGTALP3
LK100AN

PKGTAB Insulator Kit for PK7GTA through PK27GTA

76 1100CT0501
QO/Homeline Load Centers

Slot / Robertson
screw

PK3GTA1 PK9GTA
0.437
(11)

0.3125
PK15GTAL PK27GTA (8)

Table 73 - Ground Bar Kits

(All PK equipment grounding kits are supplied with mounting screws, necessary installation instructions, and an equipment
grounding terminal self-adhesive label.)

Terminals
Approximate Overall Distance Between
Quantity Each Size Length Mounting Holes
Catalog No. Total Qty. Mounting
(See Wiring Range, page 77)

I II III IV V VI in. mm in. mm

PK3GTA1 3 3 — — — — — 1.38 35 One hole One hole Top

PK4GTA 4 4 — — — — — 1.63 41 One hole One hole Top

PK5GTA 5 5 — — — — — 2.25 57 1.25 32 Top

Top or
PK7GTA 7 7 — — — — — 2.88 73 1.25 32
Side

PK9GTA 9 9 — — — — — 3.78 96 3.13 80 Top

PK12GTA 12 12 — — — — — 4.7 119 3.13 80 Top

PK15GTA 15 15 — — — — — 5.63 143 3.13 80 Top

PK15GTAL 16 15 1 — — — — 8.13 207 3.13 80 Top

PK15GTA6 21 15 — — 6 — — 5.88 149 124 124 Top

PK18GTA 18 18 — — — — — 8.13 167 3.13 80 Top

PK18GTAL 19 18 1 — — — — 5.88 224 3.13 80 Top

PK23GTA 23 23 — — — — — 6.56 206 3.13 80 Top

PK23GTAL 24 23 1 — — — — 8.81 240 3.13 80 Top

PK27GTA 125 27 or 26 27 or 26 — 1 — — — 8.11 238 3.13 80 Top

Table 74 - Wiring Range

Size Cu (AWG) Al (AWG)

I (1) #14 – # 4 or (2) #14 or #12 (1) #12 – #4 or (2) #12 or #10

II (1) #1 – 4/ 0 (1) #1 – 4/0

III (1) #6 – 2/ 0 (1) #6 – 2/0

IV (1) #6 – 3/0 (1) #6 – 3/0

V (1) #14 – 1/0 (1) #14 – 1/0

VI (1) #10 – 2/0 (1) #6 – 2/0

124. 3.13 in. (80 mm) on small terminals; 5.25 in. (133 mm) on large terminals.
125. PK27GTA includes one main grounding lug that mounts with two terminal screws and requires three terminals for mounting.

1100CT0501 77
 QO/Homeline Load Centers

QO/Homeline Surge Protective Devices (SPD)

Square D Whole Home Surge Protection blocks the voltage spikes at the load
center, providing downstream protection for all your connected devices. Square D
Surge Protective Devices have been developed based on decades of expertise
and industry-leading technology, making it a trusted brand among homeowners
and electrical contractors alike.
To decide which device is best for your home, consider the following sections
when working with your electrical contractor.

Load Center and CSED Surge Protective Devices

Description Surge Current per

Cat. No. Schedule
Phase
1 phase – 3 wire

QO2175SB QO Surgebreaker
22.5 kA
HOM2175SB HOM Surgebreaker

SDSA1175 1Ø3W–120/240 V Compact SPD 36 kA

QO250PSPD QO Plug-on Neutral SPD 50 kA

HOM250PSPD HOM Plug-on Neutral SPD 50 kA DE1B

HEPD25 25 kA
HEPD50 SurgeArrest Whole Home Electronic Protection 50 kA
HEPD80 80 kA
Surgebreaker Plus (all-in-one protection for appliances,
SDSB80111 ethernet, and telephone) 80 kA

3 phase – 3 wire

SDSA2040D 3Ø3W–240 V Compact SPD 40 kA DE1B

3 phase – 4 wire

SDSA2040 3Ø4W–208Y/120 V Compact SPD 40 kA DE1B

78 1100CT0501
QO/Homeline Load Centers

Load Center and CSED Surge Protective Devices Mounting Kits

Surge Current
Cat. No. Description Schedule
per Phase

QOSAMK SDSA1175 Mount Kit —

HEPD25MKF HEPD25 Flush Mount Kit —

DE1B
HEPD50 and HEPD80 Flush
HEPD58MKF —
Mount Kit

QOSAMK

HEPD58MKF

Whole Home Surge Protection

Plug-on Neutral SPD for QO (QO250PSPD) and Homeline (HOM250PSPD)
Use — QO250PSPD for QO load centers, combination devices (CSEDs) and NQ
panelboards. HOM250PSPD for Homeline load centers and combination devices
(CSEDs)
Feature — Plug-on Neutral connectivity. Easy to install, no wiring needed.
Installation Flexibility — NEMA 1 (Indoor)
Surge Current Capacity — 50 kA
Standards — UL Listed 1449, 4th Edition and CSA Certified
QO250PSPD Warranty — 5 Year/$50,000 Connected Equipment Limited Warranty

Hard-Wire Whole House Surge Protective Device (SDSA1175)

• Use — Suitable for Use in Service Entrance locations: Meets Requirements
of NEC Article 280
• Feature — Coordinated Fuse Technology
• Installation Flexibility — NEMA 4X (Indoor and Outdoor)
• Surge Current Capacity — 36 kA
• Standards — UL Listed 1449, 4th Edition and CSA Certified
HOM250PSPD • Warranty — 2 Years

SDSA1175

1100CT0501 79
 QO/Homeline Load Centers

Surgebreaker for QO (QO2175SB) and Homeline (HOM2175SB)

• Use — QO2175SB for QO load centers, combination devices and NQ
panelboards. HOM2175SB for Homeline load centers and combination
devices
• Installation Flexibility — NEMA 1 (Indoor)
• Surge Current Capacity — 22.5 kA per phase
• Standards — UL Listed 1449, 4th Edition and CSA Certified
• Warranty — 3 Year/$10,000 Connected Equipment Limited

QO2175SB Home Electronics Protective Device (HEPD25, HEPD50, HEPD80)

• Use — Small, affordable whole house surge suppression that can easily be
mounted to Square D and competitors load centers
• Installation Flexibility — NEMA 4X (Indoor and Outdoor). Easy-to-install,
optional flush mount kit for a professional look when installed in a finished
wall (HEPD25MKF, HEPD58MKF).
• Surge Current Capacity — 25 kA (HEPD25), 50 kA (HEPD50) and 80 kA
(HEPD80)
• Standards — UL Listed 1449, 4th Edition and CSA Certified
• Warranty — 3 Year/$30,000 (HEPD25) or 3 Year/$50,000 (HEPD50) or 5
HOM2175SB Year/$75,000 (HEPD80) Connected Equipment Limited Warranty

Surgebreaker Plus Whole House Surge Protector (SDSB80111)

• Use — Mounts directly to any load center from any manufacturer
• Feature — Removable modules (cable, Ethernet, and telephone) allow quick
and easy installation customization
• Installation Flexibility — NEMA 1
(Indoor)
• Surge Current Capacity — 80 kA
• Standards — UL Listed 1449, 4th edition
• Warranty — 5 Year/$100,000 Connected Equipment Limited Warranty

HEPD25

SDSB80111

80 1100CT0501
Enclosed Devices

Enclosed Devices
Designed to be tough, reliable, and help provide exceptional performance in the
most grueling conditions.
Provides a dead front housing for circuit breakers, molded case switches, and
motor circuit protectors to help prevent personnel from accidentally contacting
energized parts. Protect circuit breaker from physical damage. Allow circuit
breaker operation without removing cover.
Features
Residential Circuit Breaker Enclosures:
• QOM2 circuit breaker enclosures
• UL Listed
• 100-225 A Max. QOM2 circuit breakers
• 22 k RMS short circuit current ratings
• Ideal for 100–225 A residential applications with Square D load centers,
CSED meter mains, and circuit breaker enclosures
• Provides the flexibility to meet more applications with a single breaker format,
which also simplifies inventory stocking
• A compact and flexible 2020 NEC compliant residential service entrance
device
• NEMA Type 1 and Type 3R enclosures

1100CT0501 81
 Enclosed Devices

Product Description
These devices include provisions for a double-pole circuit breaker to be installed
in an enclosure. Typical applications include a main service entrance disconnect
for mobile homes and residences, as well as equipment or outbuilding
disconnects.
Type
Enclosed molded case circuit breakers are UL Listed; File E136861, for
enclosures and File E10027 for circuit breakers. Enclosed molded case switches
are UL Listed under File E59921.
Knockouts
Located in back, side, top and bottom of all devices
Service
• 120/240 Vac, 1Ø3W
• 240 Vac, 1Ø2W
QO2100BNS
• 240 Vac, 1Ø3W
• 240/120 Vac, 3Ø4W
• 208Y/120 Vac, 3Ø4W
Bolt-On Hubs
• Hubs available from 0.75 in. (19 mm) to 2.50 in. (64 mm) conduit size
• Off-center thread openings keep conduit close to wall
• No gasket required with hubs
Neutral Assemblies
• Insulated and groundable (except QO2TR)
• Suitable for aluminum or copper wire
• Grounding terminal provided
QO2100BNRB Equipment Grounding Bar
• Field-installable PKOGTA2
• Suitable for #6 AWG 2/0 aluminum or #10 AWG 2/0 AWG copper wire
Ratings — (Single Phase)
• QO (2-pole): 10,000 A
• QOM2: 22,000 A
• QB: 10,000 A
• QD: 25,000 A
• QG: 65,000 A
• QJ: 65,000 A @ 240 V or 100,000 A @ 208Y / 120
Circuit Breakers
Visi-Trip indication (QO circuit breakers). Lugs suitable for aluminum or copper
wire. Refer to catalog sections listed below:
• QO Class 730
• QB, QD, QG and QJ Class 734
• QOM2 Class 736
• Molded-case switches Class 601

82 1100CT0501
Enclosed Devices

Enclosures
Indoor Enclosures
Indoor Enclosures — NEMA Type 1
Material, Finish and Knockouts — Enclosures are from sheet steel with
knockouts at top, bottom, backand sides. Indoor finish consists of gray baked
enamel electrodeposited over cleaned, phosphatized steel.
Flush and Surface Covers — Indoor covers are available in surface or flush
mount and are included with our enclosed device.
Provisions — Indoor devices have padlock provisions for locking circuit breaker
handle in ON (I) or OFF (O) position.

Rainproof Enclosures
Rainproof Enclosures — NEMA Type 3R
Material, Finish and Knockouts — Enclosures are from galvannealed sheet
steel with knockouts at bottom, back and sides. Rainproof finish consists of gray
baked enamel, electrodeposited over cleaned, phosphatized, galvannealed steel.
Provisions — Rainproof devices have provisions to padlock cover closed and for
interchangeable bolt-on hubs.

1100CT0501 83
 Enclosed Devices

Service Entrance Devices

Table 75 - Residential Enclosed Circuit Breaker with PowerPacT Q-Frame
Molded Case Circuit Breakers

Mains Short Circuit General

Enclosure Included In Package
Rating Rating Purpose

Factory Installed:
(1) QDL22150
Rainproof (1) Service entrance barrier
150 A 25 kA Q2150MRBE
NEMA 3R (1) Emergency disconnect label
& (1) Service disconnect label

Factory Installed:
(1) QDL22200
Rainproof (1) Service entrance barrier
200 A 25 kA Q2200MRBE
NEMA 3R (1) Emergency disconnect label
& (1) Service disconnect label
QO2150MRBE Factory Installed:
(1) Emergency disconnect label
Rainproof & (1) Service disconnect label
70–200 A 10–100 kA Q2200RBE 126
NEMA 3R Factory Included:
(1) Service entrance barrier 127

Table 76 - Replacement Kit for Residential Enclosed Circuit Breaker with

PowerPacT Q-Frame Molded Case Circuit Breakers

Short Circuit Commercial

Mains Rating Included In Package
Rating Reference

(1) Service entrance barrier &

70–200 A 10–100 kA PKSB1Q2 (1) Emergency disconnect label126

Table 77 - PowerPacT Q-Frame Molded Case Circuit Breakers for Residential

Type 3R — Short Circuit Rating

Rainproof Ampere
Service Circuit Rating
Breaker not 10 k AIR 25 k AIR 65 k AIR 100 k AIR
included

70 A QBL22070 QDL22070 QGL22072 QJL22073

80 A QBL22080 QDL22080 QGL22080 QJL22080

90 A QBL22090 QDL22090 QGL22090 QJL22090

100 A QBL22100 QDL22100 QGL22100 QJL220100

2P 240 Vac
Q2200RBE 110 A QBL22110 QDL22110 QGL22110 QJL22110
Maximum
125 A QBL22125 QDL22125 QGL22125 QJL22125

QBL22070 150 A QBL22150 QDL22150 QGL22150 QJL22150

175 A QBL22175 QDL22175 QGL22175 QJL22175

200 A QBL22200 QDL22200 QGL22200 QJL22200

126. Suitable ONLY for breakers from 70-200 A. Not compatible with 225 A breakers.
127. Suitable only for 2P Q-frame molded case circuit breakers only.

84 1100CT0501
Enclosed Devices

Non-Service Entrance Devices

Table 78 - Enclosed Molded Case Switch, Switch Included (Does NOT
provide overcurrent protection)

Ampere General
Service Rainproof Box No. 128
Rating Purpose

QO200TR 2, 9R 131

240 Vac 60 A 129, 130 QO260NATS QO200TRNM 1NM

QO260NATR 1R

120/240 100 A 132 QO2000NS QO2000NRB 13, 10R

QO200TRNM
Table 79 - Enclosed GFCI Circuit Breakers, GFCI Circuit Breaker Included —
10 kA Short Circuit Current Rating

Type 3R—
Ampere Rainproof Circuit
Service Rating Breaker Only Box No. 128
Circuit Breaker
Included
1NM (Non
QOE250GFINM QO250GFI metallic)
50 A
HOME250SPA HOM250GFI 1M (Metallic)
120/240 Vac
1NM (Non
60 A QOE260GFINM QO260GFI3W metallic)
1M (Metallic)
HOME250SPA
Table 80 - 2-Pole Circuit Breaker Enclosures — 22 kA Short Circuit Current
Rating

Ampere General
Service 133 Rainproof Box No. 128
Rating Purpose 134

100 A QO2100BNF/S QO2100BNRB 13, 10R

120/240 Vac
125 A QO2125BNF/S QO2125BNRB 18, 13R

60 A Max. Circuit Breaker Enclosures—10 kA, Short Circuit Current Rating Circuit breaker not
included. (Order separately from QO Plug-On Circuit Breakers). Will not accept QO-GFI circuit
breaker nor QO circuit breakers with factory-installed accessories.
QO3100BNF

240 Vac 60 A — QO2TR 9R

128. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
129. Not suitable for service equipment.
130. Maximum 10 hp 240 Vac.
131. Top endwall has no hub opening.
132. Maximum 20 hp 240 Vac.
133. Not for use with one pole QO circuit breakers. Circuit breakers not included. Accepts QO circuit breakers with factory-installed
accessories. Order equipment ground bar PKOGTA2, if required.
134. Order F for flush, S for surface.

1100CT0501 85
 Enclosed Devices

Table 81 - Q-Frame Enclosures and Q-Frame Circuit Breakers

Enclosure Only Circuit Breaker (Order Separately)

Service Type 1
Type 3 Ampere
General Box No. 10 k AIR 25 k AIR 65 k AIR 65 k AIR
Rainproof Rating
Purpose 135

70 A QBL22070 QDL22070 QGL22070 QJL22070

80 A QBL22080 QDL22080 QGL22080 QJL22080

90 A QBL22090 QDL22090 QGL22090 QJL22090

100 A QBL22100 QDL22100 QGL22100 QJL22100

Q22200NS or Q22200NRB or 19, 11R, 110 A QBL22110 QDL22110 QGL22110 QJL22110

2P 240 Vac 20, 12R
Q23225NF/S Q23225NRB 125 A QBL22125 QDL22125 QGL22125 QJL22125

150 A QBL22150 QDL22150 QGL22150 QJL22150

175 A QBL22175 QDL22175 QGL22175 QJL22175

200 A QBL22200 QDL22200 QGL22200 QJL22200

225 A QBL22225 QDL22225 QGL22225 QJL22225

70 A QBL32070 QDL32070 QGL32070 QJL32070

80 A QBL32080 QDL32080 QGL32080 QJL32080

90 A QBL32090 QDL32090 QGL32090 QJL32090

100 A QBL32100 QDL32100 QGL32100 QJL32100

110 A QBL32110 QDL32110 QGL32110 QJL32110

3P 240 Vac Q23225NF/S Q23225NRB 20, 12R
125 A QBL32125 QDL32125 QGL32125 QJL32125

150 A QBL32150 QDL32150 QGL32150 QJL32150

175 A QBL32175 QDL32175 QGL32175 QJL32175

200 A QBL32200 QDL32200 QGL32200 QJL32200

225 A QBL32225 QDL32225 QGL32225 QJL32225

Table 82 - QOM2 Enclosures and QOM2 Circuit Breakers

QOM2 Circuit Breaker

Enclosure Only136
(Order Separately)

Service Type 1 General

Type 3 Rainproof Ampere 22 k AIR
Purpose 135
Box No. 137 Rating
Cat. No. Cat. No. Cat. No. 138
22, 16R 100 A QOM2100VH

22, 16R 125 A QOM2125VH

22, 16R 150 A QOM2150VH

2P 240 Vac
QOM22225NF/S QOM22225NRB
Max. 22, 16R QOM2175VH
175 A

22, 16R 200 A QOM2200VH

22, 16R 225 A QOM2225VH

135. Order F for flush, S for surface.

136. Equipment ground bar kit PKOGTA2 factory-included.
137. See QO/Homeline Enclosure Dimensions and Knockout Information, page 67.
138. DE3A Discount Schedule.

86 1100CT0501
 Printed in:
Schneider Electric

Schneider Electric
800 Federal Street
Andover, MA 01810
USA
888-778-2733
www.se.com

As standards, specifications, and design change from time to time,

please ask for confirmation of the information given in this publication.

© 2022 – 2023 Schneider Electric. All rights reserved.

1100CT0501