Series CEP9 The CEP9 Electronic Overload Relay

is an advanced electronic overload from

Electronic Sprecher + Schuh. Its modular design,
communication options, diagnostic
Overload information, simplified wiring and in-
tegration into Logix make this the ideal
Relays overload for motor control applications
in an automation system. The CEP9
Overload Relay provides flexibility, re- B
duces engineering time, and maximizes
Modular Design

CEP9 Overloads
uptime for important motor starter
applications. For exact application needs
• Wide Current Range
Choose Series CEP9 • Multiple Sensing Capabilities
overloads for advanced Intelligent Motor Protection • Expansion I/O
• Operator Interface
communication and Easy automation system integration
• Network Connectivity
motor protection • Native I/O On Board Features
• DeviceLogix™ Technology Enabled The CEP9 Overload Relay incorporates
• Pre-programmed Operating Modes the newest technologies directly into
the device to help simplify installation
and configuration. Simplified wiring
between the CEP9 overload relay and
Diagnostic Information CA7 or CA9 contactor ensure easy
Monitor motor performance installation.
• Voltage, Current and Energy
• Trip / Warning Histories On-device settings include network
address configuration, restore factory
• % Thermal Capacity Utilization default settings, and enable security
• Time to Trip settings. CEP9 overloads also include
• Time to Reset removable terminal blocks, I/O and
• Operational Hours Operator Station Dual Port EtherNet/
• Number of Starts IP, and it supports device level ring.
• Snapshot Log

Communication Module

= Complete CEP9
Overload Relay

+ Control Module
• Intelligent motor protection
(EtherNet/IP enabled)
• Scalable solution
• Diagnostic Information
• Integrated I/O
• Adjustable trip class 5...30
• Wide current range
• Test/Reset button
• Programmable trip and warning settings + Sensing Module
• True RMS current/voltage sensing (50/60 Hz)
• Protection for single- and three-phase motors

B27
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 Thermal Utilization
The CEP9 Electronic
Overload Relay provides
overload protection
through true RMS current
measurement of the

B
individual phase currents
of the connected motor.
Diagnostic Station
Based on this information,
a thermal model that Expansion Modules
CEP9 Overloads

simulates the actual heating

of the motor is calculated.
Percent of thermal capacity
utilization (%TCU) reports time to reset, which is accessible via a when the ground fault current
this calculated value and can be read via communications network, is reported. magnitude exceeds 6.5 A. This can be
a communications network. An overload useful to guard against the opening of
trip occurs when the value reaches Thermal Warning the controller when the fault current
100%. The CEP9 Electronic Overload Relay could potentially exceed the controller’s
Adjustable Settings provides the capability to alert in the interrupting capacity rating.
event of an impending overload trip.
Thermal overload protection setup is A thermal warning bit is set in the Note: The CEP9 Electronic Overload
accomplished simply by programming Warning Status when the calculated Relay is not a Ground Fault Circuit
the motor’s full load current (FLC) percentage of thermal capacity Interrupter for personnel protection
rating and the desired trip class (5...30). utilization exceeds the programmed as defined in article 100 of the U.S.
Programming of the actual values thermal warning level, which has a National Electric Code.
through software programming ensures setting range of 0...100% TCU. Stall
the accuracy of the protection.
Two-Speed Protection “Stall” is defined as a condition where
Thermal Memory the motor is not able to reach full-speed
The CEP9 Electronic Overload Relay
The CEP9 Electronic Overload Relay offers a second FLA setting for 2-speed operation in the appropriate amount
includes a thermal memory circuit motor protection. What used to require of time required by the application.
designed to approximate the thermal two separate overload relays - one for This can result in motor overheating as
decay for a trip class 20 setting. This each set of motor windings - can now be current draw is in excess of the motor’s
means that the thermal model of the accomplished with one device. Improved full load current rating. The CEP9
connected motor is maintained at protection is delivered as thermal Electronic Overload Relay provides
all times, even if the supply power is utilization is maintained in one device user-adjustable stall protection. The trip
removed. during operation in both speeds. setting has a range of 100...600% FLA,
and the enable time is adjustable up to
Reset Modes Phase Loss 250 seconds.
This flexibility allows the end-user the The CEP9 Electronic Overload Relay Jam (Overcurrent)
ability to select between manual and offers configurable phase loss protection,
automatic reset for an overload trip, allowing the installer to enable or disable The CEP9 Electronic Overload Relay
allowing for broad application. The the function, plus set a time delay can respond quickly to take a motor
point of reset is user adjustable from adjustable from 0.1...25.0 seconds. off-line in the event of a mechanical
1...100% TCU. The trip level is factory-set at a current jam, thereby reducing the potential
imbalance measurement of 100%. for damage to the
Time to Trip motor and the
During an overload condition, the CEP9 Ground (Earth) Fault power transmission
Electronic Overload Relay provides an The CEP9 Electronic Overload Relay components.
estimated time to trip that is accessible incorporates zero sequence (core Trip adjustments
via a communications network. This balance) sensing into its design for low include a trip setting
allows corrective action to be taken level (arcing) ground fault detection. adjustable from
so that production may continue Trip and warning settings are adjustable 50...600% FLA and
uninterrupted. from 20 mA...5.0 A. For devices rated a trip delay time with
Time to Reset greater than 200 A and for ground fault a range of 0.1...25.0
detection less than 1.0 A, the external seconds. A separate
Following an overload trip, the CEP9 core balance current transformer warning setting is
Electronic Overload Relay will not accessory is required. Class I protection adjustable from
reset until the calculated percentage of is provided as defined by UL1053. 50...600% FLA.
thermal capacity utilization falls below The CEP9 Electronic Overload Relay
the reset level. As this value decays, the provides a max. trip-inhibit setting,
offering flexibility to prevent tripping

B28
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Underload (Undercurrent) Status Indicators
A sudden drop in motor current can signal conditions such as: The CEP9 Electronic Overload Relay provides the following
• Pump cavitation LED indicators:
• Tool breakage • Power — This green/red LED indicates the status of the
overload relay.
• Belt breakage
• TRIP/WARN — This LED flashes a yellow code under a
For these instances, rapid fault detection can help minimize warning condition and a red code when tripped.
damage and aid in reducing production downtime.
Additionally, monitoring for an underload event can provide
enhanced protection for motors that are coded by the medium
Inputs/Outputs
Inputs allow the connection of such devices as contactor and
disconnect auxiliary contacts, pilot devices, limit switches,
B
handled (e.g., submersible pumps that pump water). Such

CEP9 Overloads
and float switches. Input status can be monitored via the
motors can become overheated despite being underloaded. network and mapped to a controller’s input image table.
This can result from an absence or an insufficient amount of Inputs are rated 24V DC, 120V AC, or 240V AC and are
the medium (due to clogged filters, closed valves, etc.). current sinking. Power for the inputs is sourced separately with
The CEP9 Electronic Overload Relay offers underload trip convenient customer sources at terminal A1. Relay contact
and warning settings adjustable from 10...100% FLA. The outputs can be controlled via the network or DeviceLogix
trip function also includes a trip delay time with a range of function blocks for performing such tasks as contactor
0.1...25.0 seconds. operation.
Current Imbalance (Asymmetry) Test/Reset Button
The CEP9 Electronic Overload Relay offers current imbalance The Test/Reset button, located on the front of the CEP9
trip and warning settings adjustable from 10...100%. The Electronic Overload Relay, allows the user to perform the
trip function also includes a trip delay time with a range of following:
0.1...25.0 seconds. • Test — The trip relay contact will open if the CEP9
Electronic Overload Relay is in an untripped condition and
Remote Trip the Test/Reset button is pressed for 2 seconds or longer.
The remote trip function allows an external device (e.g., a • Reset — The trip relay contact will close if the CEP9
vibration sensor) to induce the CEP9 Electronic Overload Electronic Overload Relay is in a tripped condition, supply
Relay to trip. External device relay contacts are wired to voltage is present, and the Test/Reset button is pressed.
the CEP9 Electronic Overload Relay discrete inputs. These Single/Three-Phase Operation
discrete inputs are configurable with an option for assigning
the remote trip function. The CEP9 Electronic Overload Relay can be applied to three-
phase as well as single-phase applications. A programming
Current Monitoring Functions parameter is provided for selection between single- and three-
The CEP9 Electronic Overload Relay allows the user to phase operation. Straight-through wiring is afforded in both
monitor the following operational data over a communications cases.
network: EtherNet/IP Communications
• Individual phase currents — in amperes The CEP9 EtherNet/IP communication module has two RJ45
• Individual phase currents — as a percentage of motor FLC ports that act as an Ethernet switch to support a star, linear,
• Average current — in amperes and ring topology and supports the following:
• Average current — as a percentage of motor FLC • 2 concurrent Class 1 connections [1 exclusive owner + (1
input only or 1 listen only)]
• Percentage of thermal capacity utilized
• 6 simultaneously Class 3
• Current imbalance percentage connections (explicit messaging)
• Ground fault current • Embedded web server
Diagnostic Functions • SMPT server for trip and warning
events
The CEP9 Electronic Overload Relay allows the user to • Embedded EDS file
monitor the following diagnostic information over the
Ethernet/IP network:
• Device status • History of past five trips
• Trip status • History of positive warnings
• Warning status • Hours of operation
• Time to an overload trip • Number of starts
• Time to reset after an • Trip snapshot trip
overload

B29
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 Electronic Overload Relays
Series CEP9

Current Sensing Module

Description Mounting Options For Use With Current Range [A] Catalog Number Price
CA7-9…23 0.5…30 CEP9-ESM-I-23-30 137.00

B IEC Contactors
CA7-30…55

CA7-60…97
0.5…30
6…60
10…100
CEP9-ESM-I-55-30
CEP9-ESM-I-55-60
CEP9-ESM-I-97-100
137.00
218.00
300.00
CEP9 Overloads

CA6-115…180 20…200 CEP9-ESM-I-180-200 381.00

CA9-116…146 20…200 CEP9-ESM-I-146-200 381.00
CA9-190…205 20…200 CEP9-ESM-I-205-200 381.00
All contactors and external
0.5…30 CEP9-ESM-I-T-30 130.00
DIN Rail Mount (to 60A) ➊ current transformers
6…60 CEP9-ESM-I-T-60 208.00
All contactors 10…100 CEP9-ESM-I-T-100 285.00
DIN Rail Mount (10 to 200A) ➋
20…200 CEP9-ESM-I-T-200 363.00
All contactors and external
0.5…30 CEP9-ESM-I-7T-30 137.00
current transformers
DIN Rail / Panel Mount 6…60 CEP9-ESM-I-7T-60 218.00
All contactors
10…100 CEP9-ESM-I-7T-100 300.00
All contactors and external
DIN Rail Mount Pass-thru (to 60A) 0.5…30 CEP9-ESM-I-P-30 104.00
current transformers
➊
6…60 CEP9-ESM-I-P-60 181.00
DIN Rail Mount Pass-thru All contactors 10…100 CEP9-ESM-I-P-100 259.00
(10 to 200A) ➋ 20…200 CEP9-ESM-I-P-200 354.00
Current/Ground Fault Sensing Module
Description Mounting Options For Use With Current Range[A] Catalog Number Price
CA7-9…23 0.5…30 CEP9-ESM-IG-23-30 191.00
0.5…30 CEP9-ESM-IG-55-30 191.00
CA7-30…55
6…60 CEP9-ESM-IG-55-60 273.00
IEC Contactors CA7-60…97 10…100 CEP9-ESM-IG-97-100 354.00
CA6-115…180 20…200 CEP9-ESM-IG-180-200 436.00
CA9-116…146 20…200 CEP9-ESM-IG-146-200 436.00
CA9-190…205 20…200 CEP9-ESM-IG-205-200 436.00
All contactors and external
0.5…30 CEP9-ESM-IG-T-30 181.00
DIN Rail Mount (up to 60A) ➊ current transformers
6…60 CEP9-ESM-IG-T-60 259.00
10…100 CEP9-ESM-IG-T-100 354.00
All contactors
DIN Rail Mount (10 to 200A) ➋
20…200 CEP9-ESM-IG-T-200 436.00

All contactors and external

0.5…30 CEP9-ESM-IG-7T-30 191.00
current transformers
DIN Rail / Panel Mount 6…60 CEP9-ESM-IG-7T-60 273.00
All contactors
10…100 CEP9-ESM-IG-7T-100 354.00
All contactors and external
DIN Rail Mount Pass-thru (to 60A) 0.5…30 CEP9-ESM-IG-P-30 155.00
current transformers
➊
6…60 CEP9-ESM-IG-P-60 233.00
10…100 CEP9-ESM-IG-P-100 311.00
DIN Rail Mount Pass-thru All contactors
(10 to 200A) ➋ 20…200 CEP9-ESM-IG-P-200 389.00

Items in Gray are discontinued

➊ For Panel Mount option use KT7-45-AS Screw Adaptor. See page F16.
➋ For Panel Mount option use CEP9-ESM-SA-100 Screw Adaptor. See page B33.

B30 Discount Schedule B3

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 Electronic Overload Relays
Series CEP9

Voltage/Current/Ground Fault Sensing Module

Description Mounting Options For Use With Current Range[A] Catalog Number Price

B
CA7-9…23 0.5…30 CEP9-ESM-VIG-23-30 354.00
0.5…30 CEP9-ESM-VIG-55-30 354.00
CA7-30…55
6…60 CEP9-ESM-VIG-55-60 436.00
IEC Contactors CA7-60…97 10…100 CEP9-ESM-VIG-97-100 492.00

CEP9 Overloads
CA6-115…180 20…200 CEP9-ESM-VIG-180-200 570.00
CA9-116…146 20…200 CEP9-ESM-VIG-146-200 570.00
CA9-190…205 20…200 CEP9-ESM-VIG-205-200 570.00
All contactors and external
0.5…30 CEP9-ESM-VIG-T-30 354.00
DIN Rail Mount (up to 60A) ➊ current transformers
6…60 CEP9-ESM-VIG-T-60 436.00
All contactors 10…100 CEP9-ESM-VIG-T-100 492.00
DIN Rail Mount (10 to 100A) ➋
20…200 CEP9-ESM-VIG-T-200 570.00
All contactors and external
0.5…30 CEP9-ESM-VIG-7T-30 354.00
current transformers
6…60 CEP9-ESM-VIG-7T-60 436.00
DIN Rail / Panel Mount
All contactors
10…100 CEP9-ESM-VIG-7T-100 492.00

All contactors and external

DIN Rail Mount Pass-thru ➊ 0.5…30 CEP9-ESM-VIG-CT-30 311.00
current transformers

Items in Gray are discontinued

Control Module
Rated Control No. of
Description Catalog Number Price
Voltage [V] Inputs/Outputs
110…120V AC, 50/60 Hz 4 In/3 Out CEP9-EIO-43-120 381.00
I/O Module 220…240V AC, 50/60 Hz 4 In/3 Out CEP9-EIO-43-240 381.00
24V DC 6 In/3 Out CEP9-EIO-63-24D 381.00
110…120V AC, 50/60 Hz 2 In / 2 Out CEP9-EIOGP-22-120 381.00
Ground Fault & PTC I/O
220…240V AC, 50/60 Hz 2 In / 2 Out CEP9-EIOGP-22-240 381.00
Module
24V DC 4 In / 2 Out CEP9-EIOGP-42-24D 275.00

Communication Module
Description Catalog Number Price
The EtherNet/IP communication module has two RJ45 ports that sup-
port a star, linear, and ring topology and supports the following:
• 2 concurrent Class 1 connections [1 exclusive owner + (1 input only
EtherNet/IP or 1 listen only)]
CEP9-ECM-ETR 436.00
Communication • 6 simultaneous Class 3 connections (explicit messaging)
• Embedded web server
• SMTP server for trip and warning events (email and text messaging)
• Embedded EDS files
The Parameter Configuration Module (PCM) has one Type B USB inter-
Parameter face port and supports the following:
Configuration Module • Stand-alone non-networked applications CEP9-ECM-PCM 50.00
• Three rotary dails to set Full Load Amps (FLA)
• 8-position DIP switch for trip class and feature selection

➊ For Panel Mount option use KT7-45-AS Screw Adaptor. See page F16.
➋ For Panel Mount option use CEP9-ESM-SA-100 Screw Adaptor. See page B33.

Discount Schedule B3 B31

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 Electronic Overload Relays
Series CEP9

Expansion Modules
Rated Control No. of
Price
Description Voltage [V] Inputs/Outputs Catalog Number

B Analog Expansion Module

~
3 Universal In /
CEP9-EXP-AIO-31➊ 415.00
(mA, V, RTD and Resistance) 1 Out
CEP9 Overloads

Digital Expansion 120V AC 110…120V AC, 50/60 Hz 4 In / 2 Out CEP9-EXP-DIO-42-120 208.00

Digital Expansion 240V AC 220…240V AC, 50/60 Hz 4 In / 2 Out CEP9-EXP-DIO-42-240 208.00

Digital Expansion 24V DC 24V DC 4 In / 2 Out CEP9-EXP-DIO-42-24D 208.00

110…240V AC, 50/60 Hz ~ CEP9-EXP-PS-AC 155.48

Expansion Power Supply

24V DC ~ CEP9-EXP-PS-DC 155.48

Accessories
Description For Use With Catalog Number Price

Starter Control Station

~ CEP9-EOS-SCS 208.00
with 3 meter cable

Starter Diagnostic Station

~ CEP9-EOS-SDS ➊ 311.00
with 3 meter cable

➊ Module requires control module firmware v3.000 or higher.

B32 Discount Schedule B3

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 Electronic Overload Relays
Series CEP9

Accessories
Description For Use With Catalog Number Price

B
CA7-9...23 contactors CEP9-EIO-CM-23 20.70

Contactor Coil Module CA7-30...55 contactors CEP9-EIO-CM-55 20.70

CEP9 Overloads
CA7-60...97 contactors CEP9-EIO-CM-97 20.70

1
~ CEP9-EXP-CBL-1M 20.70
Meter
Expansion Module Cable
3
~ CEP9-EXP-CBL-3M 41.40
Meter
CEP9-EIOGP-22-_ CEP9-NCIOGP-22-CNT 30.70
CEP9-EIO-43-_ CEP9-NCIO-43-CNT 31.10
CEP9-EIOGP-42-24D CEP9-NCIOGP-42-CNT 30.70
Replacement Connectors CEP9-EIO-63-24D CEP9-NCIO-63-CNT 31.10
CEP9-EXP-DIO-42-_ CEP9-NCXP-DIO-CNT 31.10
CEP9-EXP-AIO-31 CEP9-NCXP-AIO-CNT 31.10
CEP9-EXP-PS-_ CEP9-NCXP-PS-CNT 31.10
CEP9-ESM-_-T-30
CEP9-ESM-_-T-60
CEP9-ESM-_-7T-30 See
Panel Mount Screw Adapter CEP9-ESM-_-7T-60 KT7-45-AS page
F16
CEP9-ESM-_-P-30
CEP9-ESM-_-P-60
CEP9-ESM-VIG-CT-30

Panel Mount Screw Adaptor CEP9-ESM-_-100 CEP9-ESM-SA-100 ➊ 38.00

CEP9-ESM-_-180-200
CEP9-ESM-_-205-200
Load Side Terminal Cover CEP9-ESM-TCT-200 41.40
CEP9-ESM-_-T-200

Line Side Terminal Cover CEP9-ESM-_-T-200 CEP9-ESM-TCT-200 41.40

Contactor Side Terminal Cover CEP9-ESM-_-180-200 CEP9-ESM-TC-180 41.40

➊ Sold in multiples of 10. Minimum order is one package of 10. Price is each piece.

Discount Schedule B3 B33

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 Technical Information
Series CEP9 Electronic Overload Relay

Electrical Specifications
Motor/Load Ratings Input Ratings (Control Module and Expansion Digital Module)
Terminals 1/L1, 3/L2, 5/L3, 2/T1, 4/T2, 6/T3 Terminals
Rated Insulation Voltage (Ui) 690V AC Input 0: IN0

B Rated Operating Voltage (Ue)

Rated Impulse Voltage (Uimp)

IEC: 690V AC
UL: 600V AC
6 kV
Input 1:
Input 2:
Input 3:
IN1
IN2
IN3
CEP9 Overloads

Rated Operating Current (Ie) See Catalog Number Explanation Input 4: IN4
Rated Frequency 45...65 Hz ➊ Input 5: IN5
Short Circuit Ratings See user manual Supply Voltage 24V DC 120V AC 240V AC
Number of Poles 3 Type of Inputs Current Sinking ~ ~
Application Single-phase or Three-phase On-State Voltage 11V DC 74V AC 159V AC
On-State Current (turn-
2 mA 5 mA 5 mA
Power Supply Ratings on)
Rated Supply Voltage (Us) 120V AC 240V AC Off-State Voltage 5V DC 20V AC 40V AC
Operating Range 85…132V AC 159…265V AC Off-State Current 1.5 mA 2.5 mA 2.5 mA
Maximum Inrush Current 6A Transition Voltage 5...11V DC 20…74V AC 40…159V AC
Maximum Power Consumption Transition Current 1.5...2.0 mA 2.5…5 mA 2.5…5 mA
CEP9: 6W
CEP9 with expansion: 8W Low Voltage Directive
Maximum Power Interruption Time The CEP9 Electronic Overload Relay expansion digital modules are tested to comply
Vmin: 10 ms 10 ms with EN60947-5-1 Low-voltage switchgear and controlgear Part 5-1: Control circuit
Vmax: 10 ms 10 ms devices and switching elements.
Expansion Digital I/O Modules
Output Relay Ratings (Control Module and Expansion Digital Module) Expansion Digital I/O CEP9-EXP-DIO-42
Terminals Relay 0: R03/R04 Modules -24D -120 -240
Relay 1: R13/R14 Digital Output Rated
Relay 2: R23/R24 250V AC 250V AC 250V AC
Operational Voltage (Ue):
Type of Contacts Form A Digital Output Rated 2000Vrms 2000Vrms 2000Vrms
SPST - NO Insulation Voltage (Ui): for 1s for 1s for 1s
Rated Thermal Current (Ithe) 5A Rated Impulse Withstand
~ ~ ~
Rated Insulation Voltage (Ui) 300V AC Voltage (Uimp):
Rated Operating Voltage (Ue) 250V AC Conditional Short
1000 A 1000 A 1000 A
Rated Operating Current (Ie) 3 A (@120V AC), 1.5 A (@240V AC) Circuit Current:
0.25 A (@110V DC), 0.1 A (@220V Recommended Control KTK-R (6 A, KTK-R (6 A, KTK-R (6 A,
DC) Circuit Fuse: 600V) 600V) 600V)
Minimum Operating Current 10 mA @ 5V DC Utilization Category: AC15, DC13 AC15, DC13 AC15, DC13
Rating Designation B300 Pollution Degree: 3 3 3
Utilization Category AC-15
Resistive Load Rating (p.f. = 1.0) 5 A, 250V AC Expansion Power Supply Modules
5 A, 30V DC Expansion Power Supply Modules CEP9-EXP-PS-AC
Inductive Load Rating Rated Operational Voltage (Ue): 100…250V AC
2 A, 250V AC
(p.f. = 0.4) Rated Insulation Voltage (Ui): 2640Vrms for 1s
2 A, 30V DC
(L/R = 7 ms) Rated Impulse Withstand Voltage (Uimp): 4 kV
Short Circuit Current Rating 1,000 A Conditional Short Circuit Current: ~
Recommended Control Circuit Fuse KTK-R-6 Protection Against Short Circuits: ~
(6 A, 600 V) Utilization Category: ~
Rated Number of Operations Pollution Degree: 3
Relay 0, Relay 1, and Relay 2:
with CA7-09…CA7-55 5,000,000
with CA7-60…CA7-97 2,500,000

➊ E xception: Any CEP9 Overload Relay that uses an external ground fault sensor
is limited to 50/60 Hz detection.

B34 Discount Schedule B3

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 Technical Information
Series CEP9 Electronic Overload Relay

Environmental Specifications Protection

Ambient Temperature ➊ Trip Warning
Storage –40…+85 °C (–40…+185 °F) Overload Yes Yes
Operating (Open) –20…+55 °C (–4…+131 °F) Phase Loss Yes No

Humidity
Operating
(Enclosed) –20…+40 °C (–4…+104 °F)

5…95% Non-condensing
Ground Fault
Stall
Jam
Yes
Yes
Yes
Yes
No
Yes
B
Damp Heat – Steady State (per IEC 68- 92% r.h., 40 °C (104 °F), 56 days Underload Yes Yes

CEP9 Overloads
2-3) Thermistor (PTC) Yes Yes
Damp Heat – Cyclic (per IEC 68-2-30) 93% r.h., 25 °C/40 °C Current Imbalance Yes Yes
(77 °F/104 °F), 21 Cycles Communication Fault Yes Yes
Cooling Method Natural Convection Communication Idle Yes Yes
Vibration (per IEC 68-2-6) 2.5G operating, 5 G non- Remote Trip Yes No
operating Blocked Start/Start Inhibit Yes No
Shock (per IEC 68-2-27) 30 G Under Voltage L-L Yes Yes
Maximum Altitude 2000 m ➋ Over Voltage L-L Yes Yes
Pollution Environment Pollution Degree 3 Voltage Unbalance Yes Yes
Terminal Marking EN 50012 Phase Rotation Yes Yes
Degree of Protection IP20
Overload Protection
Electromagnetic Compatibility Specifications Type of Relay Ambient Compensated Time-Delay
Electrostatic Discharge Immunity Phase Loss Sensitive
Test Level: 8kV Air Discharge Nature of Relay Solid-State
6kV Contact Discharge FLA Setting See user manual
Performance Criteria: 1 ➌➍ Trip Rating 120% FLA
RF Immunity Trip Class 5…30
Test Level: 10V/m Reset Mode Automatic or Manual
Performance Criteria: 1 ➌➍ Overload Reset Level 1…100% TCU
Electrical Fast Transient/Burst Immunity
Test Level: 4kV (Power)
2kV (Control & Comm) Ground Fault Protection
Performance Criteria: 1 ➌➍ (External Ground Fault Module)
Surge Immunity
Type Core Balanced
Test Level: 2kV (L-E)
1kV (L-L) Intended Use Equipment Protection
Performance Criteria: 1 ➌➍ Classification (Per UL 1053) Class I
Radiated Emissions Class A Protection Range 20…100 mA
100…500 mA
Conducted Emissions Class A
200 mA…1.0 A
1.0…5.0 A
Torque and Wire Size Specifications Trip & Warning Time Delay 0.1…25.0 s
Torque Wire Size Protection Inhibit Time 0…250 s
CEP9 Sensing 30A/60A 100A 30A/60A 100A
Module
Stranded/Solid Single 22 lb-in 35 lb-in #14…6 #12…1 Accuracy
[AWG] AWG AWG
Metering
Multiple 30 lb-in 30 lb-in #10…6 #6…2 AWG
AWG The CEP9 Electronic Overload Relay metering accuracy is listed below:
Flexible-Stranded Single 2.5 N-m 4 N-m 2.5…16mm2 4…35 mm2 Current ±2% of Sensing Module Current
w/Ferrule Multiple 3.4 N-m 4 N-m 6…10mm2 4…25 mm2
Course-Stranded/ Single 2.5 N-m 4 N-m 2.5…25mm2 4…50 mm2 Range
Solid Metric Multiple 3.4 N-m 4 N-m 6…16mm2 4…35 mm2 Protection Timers
All CEP9 Electronic Overload Relay trip timers have a resolution of ±0.1 s or 0.1 s/25
CEP9 Control Module Torque Wire Size s (whichever is greater).
Stranded/Solid Single 4 lb-in #24…12 AWG
[AWG] Multiple 4 lb-in #24…16 AWG
Flexible-Stranded Single 0.45 N-m 0.25…2.5 mm2
w/Ferrule Multiple 0.45 N-m 0.5…0.75 mm2
Course-Stranded/ Single 0.45 N-m 0.2…2.5 mm2
Solid Metric Multiple 0.45 N-m 0.2…1.5 mm2

➊ The CEP9 Electronic Overload Relay expansion power supplies (CEP9-EXP-PS-AC and CEP9-EXP-PS-DC) surrounding air temperature must not exceed 55 °C (131 °F).
➋ Any CEP9 Overload Relay that uses an external ground fault sensor is limited to 50/60 Hz detection.
➌ Performance Criteria 1 requires the DUT to experience no degradation or loss of performance.
➍ Environment 2.

Discount Schedule B3 B35

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 Wiring Diagrams
Series CEP9 Electronic Overload Relay

CEP9 Control Module

B CEP9-EIO-_ _-_ _ _ CEP9-EIOGP-_ _-_ _ _

CEP9 Overloads

A1 R03 R04 A2 IN0 IN1 A1 R03 R04 A2 IN0 IN1

RELAY 0 RELAY 0

Additional Inputs for CEP9-EIO-63-_ _ _ Additional Inputs for CEP9-EIOGP-42-_ _ _

RELAY 1 RELAY 2 RELAY 1

Ground
PTC Fault
A1 A1 A2 IN2 IN3 IN4 IN5 PE R1 3 R1 4 R2 3 R2 4 A1 A1 A2 IN2 IN3 IT1 IT2 PE R1 3 R1 4 S1 S2

(+) (-) (+) (-) +t

Expansion Digital I/O Modules (CEP9-EXP-DIO-_) Expansion Power Supplies (CEP9-EXP-PS-_)

R04 R14 RC3

RS2
R04 R14 RC3
+
Source
IN2 IN3
-

+
Source A1 A2
-
IN0 IN1 INC

IN0 IN1 IN2 IN3 INC A1 A2

B36 Discount Schedule B3

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 Wiring Diagrams
Series CEP9 Electronic Overload Relay

CEP9 Control Module Terminal Designations

CEP9-EIO-63- _ _ _ CEP9-EIOGP-42- _ _ _ B

CEP9 Overloads
A1 A1
A1 A1
A2 I A2 I
N2 N2
IN3 IN3
IN4 IT1
IN5 IT2

R13 R13
R14 R14
R23 S1
R24 S2

CEP9-EIO-43- _ _ _ CEP9-EIOGP-22- _ _ _

A1 A1
A1 A1
A2 A2
IN2
IN3 IT1
IT2

R13 R13
R14 R14
R23 S1
R24 S2

Power / PTC Communication

Terminals Module Latch

Expansion Bus Connector IN1

IN0
A2 Input / Output
R04
R03 Terminals
Relay / Ground Fault A1
Terminals Sensing Module Latch

Discount Schedule B3 B37

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 Dimensions
Series CEP9 Electronic Overload Relay

CEP9 Overload Relay Mounted on CA7-9…23 Contactor

Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes.

B 45
(1.76)
87
(3.40)
35
(1.37)
CEP9 Overloads

4.5 (0.18)
190 (7.49)
60 (2.36)
(ADD 5 mm (0.19 in.)
FOR CONTACTOR COIL
ON LINE SIDE)

67 (2.65)
37 (1.47) FROM
CONTACTOR
MTG. HOLE

152 (5.98)

122 (4.81)

29 (1.14) 122
(4.78)
FROM
CONTACTOR
MTG. HOLE

CEP9 Overload Relay Mounted on CA7-30…37 Contactor

45 35
(1.76) 104
(1.374)
(4.10)
n 5 (0.18)

190 (7.49)
(ADD 5 mm (0.19 in.) 60 (2.36)
FOR CONTACTOR COIL
ON LINE SIDE)

67 (2.65)

37 (1.48) FROM
CONTACTOR
MTG. HOLE

152 (5.98)

122 (4.81)

29 (1.13)
FROM
CONTACTOR 122
MTG. HOLE (4.78)

B38 Discount Schedule B3

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 Dimensions
Series CEP9 Electronic Overload Relay

CEP9 Overload Relay Mounted on CA7-43…55 Contactor

B
Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes.
54 107 45 (1.75)
(2.12) (4.21)

CEP9 Overloads
n 5 (0.18)

60 (2.36)
190 (7.49)
(ADD 5 mm (0.19 in.)
FOR CONTACTOR COIL
ON LINE SIDE)

67 (2.65)
37 (1.48) FROM
CONTACTOR
MTG. HOLE

152 (5.98)

34 (1.34)
FROM
CONTACTOR
MTG. HOLE

122
45 (1.76) (4.82)

CEP9 Overload Relay Mounted on CA9-116...205 Contactor

105
90 [4.13]
[3.54] 35
30 [1.38]
[1.18] 11,35
11,35 [.45]
[.45]

100
[3.94] 165
346,7 [6.50]
311 191,5 [13.65] 237
[12.24] [7.54] [9.33]
69,5
[2.74]
50
[1.97]

93
[3.66] 93
[3.661]

Ø5,5 151,4
[2.17] 105 [5.96] Ø5,5 151,4
[4.134] [2.17] 105 [5.96]
119,8 [4.134]
[4.717] 119,8
[4.717]

CA9-116 AND CA9-146 CONTACTORS SHOWN CA9-190 AND CA9-205 CONTACTORS SHOWN

Discount Schedule B3 B39

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 Dimensions
Series CEP9 Electronic Overload Relay

CEP9 Overload Relay DIN Rail/Panel Mounted

Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes.

B 45 126
30
(1.18)
CEP9 Overloads

(1.764) (4.94)
6 (0.24)
9 (0.33)

46 (1.81)

4 (0.16)

148 (5.83)

135 (5.32)
4 (0.14)
6 (0.217)
101 (3.96)

4 (0.154)

n 5 (0.17)
8 (0.30)

CEP9 Starter Control Station (CEP9-EOS-SCS)

100
(3.94) 18.5
(0.73) 22.5 (0.89) dia.
13.5
(0.53)

45 (1.77)

B40 Discount Schedule B3

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 Dimensions
Series CEP9 Electronic Overload Relay

CEP9 Digital Expansion Module (CEP9-EXP-DIO-_)

22.5
(0.89)
2 x 4.5 (0.18) dia.
B

CEP9 Overloads
98 (3.86) 87 (3.43) 80.75 (3.18)

120
(4.73)

CEP9 Digital Expansion Power Supply (CEP9-EXP-PS-_)

Dimensions are in millimeters (inches). Dimensions not intended for manufacturing purposes.

45
(1.77)
4x 4.5 (0.18) dia 120
(4.73)

98 87
(3.86) (3.43) 80.75 (3.18)

12
(0.47)

Discount Schedule B3 B41

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 Dimensions
Series CEP9 Electronic Overload Relay

Notes

B
CEP9 Overloads

B42 Discount Schedule B3

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