Data Sheet | Item Number: 787-834
Switched-mode power supply; Pro; 1-phase; 24 VDC output voltage; 20 A output
current; TopBoost + PowerBoost; DC OK contact; 2,50 mm²
https://www.wago.com/787-834
Features:
• Switched-mode power supply with PowerBoost and TopBoost
• Switch off the output and minimize power consumption via stand-by input
• Output monitoring via DC OK contact
• Suitable for both parallel and series operation
• Natural convection cooling when horizontally mounted
• Encapsulated for use in control cabinets
• Electrically isolated output voltage (SELV) per UL 60950-1; PELV per EN 60204
Technical data
Input Output
Phases 1 Nominal output voltage Uo nom DC 24 V (SELV)
Nominal input voltage Ui nom 1 x AC 100 … 240 V Output voltage range DC 22 … 29.5 V (adjustable)
Input voltage range 1 x AC 85 … 264 V; DC 120 … 300 V Default setting DC 24 V
Input voltage derating -1.5 %/V (< 110 VAC) Nominal output current Io nom 20 A (24 VDC)
Nominal mains frequency range 50 … 60 Hz; 0 Hz Nominal output power 480 W
Input current Ii ≤ 2.3 A (230 VAC; 20 ADC) Deviation ≤1%
Discharge current ≤ 1 mA Residual ripple ≤ 70 mV (peak-to-peak)
Inrush current ≤ 8 A (active power factor correction Current limitation 1.1 x Io nom (typ.)
(PFC))
Overload behavior TopBoost/PowerBoost/Constant current
Power factor correction (PFC) Active mode
Mains failure hold-up time ≥ 25 ms (230 VAC) PowerBoost DC 30 A (4 s); DC 25 A (8 s)
.
TopBoost DC 80 A (25 ms)
.
Signaling and communication Efficiency/power losses
Signaling 1 x LED DC OK (green) Power loss Pl ≤ 0.8 W (standby); ≤ 4.8 W (No load); ≤
1 x Error LED (red) 43.2 W (nominal load)
1 x Stand-by input
Efficiency (typ.) 91 %
1 x DC OK relay contact (changeover
contact) .
Operation status indicator Green LED (DC OK)
Red LED (error)
.
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Data Sheet | Item Number: 787-834
https://www.wago.com/787-834
Circuit protection
Internal fuse T 10 A / 250 VAC
Backup fusing (required) An external DC fuse is required for the
DC input voltage.
Backup fusing (recommended) Circuit breaker: 6 A, 10 A, 16 A; Tripping
characteristic: B or C
.
Safety and protection
Isolation voltage (pri.-sec.) DC 4.242 kV
Isolation voltage (pri.-PE) DC 2.2 kV
Isolation voltage (sec.-PE) DC 0.7 kV
Protection class I
Protection type IP20; per EN 60529
Resistance to reverse feed ≤ DC 35 V
Overvoltage category II
Pollution degree 2
Transient suppression (primary) Varistor
Short-circuit-protected Yes
Open-circuit-proof Yes
Parallel operation Yes
Series operation Yes
MTBF > 500,000 h (per IEC 61709)
.
Connection data
Connection type 1 Input
Connection technology CAGE CLAMP®
WAGO connector WAGO 231 Series
Solid conductor 0.08 … 2.5 mm² / 28 … 12 AWG
Fine-stranded conductor 0.08 … 2.5 mm² / 28 … 12 AWG
Strip length 8 … 9 mm / 0.31 … 0.35 inches
Connection type 2 Output
Connection technology 2 Push-in CAGE CLAMP®
WAGO connector 2 WAGO 831 Series
Solid conductor 2 0.5 … 10 mm² / 20 … 8 AWG
Fine-stranded conductor 2 0.5 … 10 mm² / 20 … 8 AWG
Strip length 2 13 … 15 mm / 0.51 … 0.59 inches
Connection type 3 Signaling
Connection technology 3 CAGE CLAMP®
WAGO connector 3 WAGO 733 Series
Solid conductor 3 0.08 … 0.5 mm² / 28 … 20 AWG
Fine-stranded conductor 3 0.08 … 0.5 mm² / 28 … 20 AWG
Strip length 3 5 … 6 mm / 0.2 … 0.24 inches
.
Physical data
Width 97 mm / 3.819 inches
Height 171 mm / 6.732 inches
Depth from upper-edge of DIN-rail 187 mm / 7.362 inches
Note (dimensions) Height with connector
.
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Data Sheet | Item Number: 787-834
https://www.wago.com/787-834
Mechanical data
Mounting type DIN-35 rail
.
Material data
Fire load 0 MJ
Weight 2300 g
.
Environmental requirements
Ambient temperature (operation) -25 … +70 °C (Device starts at −40 °C (type-tested))
Ambient temperature (storage) -25 … +85 °C
Relative humidity 5 … 96 % (no condensation permissible)
Derating -3 %/K (> 50 °C)
Climatic category 3K3 (per EN 60721)
.
Standards and specifications
Conformity marking CE
Standards/specifications EN 61010-1
EN 61010-2-201
EN 61204-3
EN 61558-2-16
UL 60950
UL 508
.
Commercial data
Product Group 6 (INTERFACE ELECTRONIC)
eCl@ss 10.0 27-04-07-01
eCl@ss 9.0 27-04-07-01
ETIM 8.0 EC002540
ETIM 7.0 EC002540
PU (SPU) 1 pcs
Packaging type Box
Country of origin DE
GTIN 4050821085225
Customs tariff number 85044083900
.
Environmental Product Compliance
RoHS Compliance Status Compliant,No Exemption
.
Approvals / Certificates
General approvals Declarations of conformity and manufacturer's declarations
Approval Standard Certificate Name
EU-Declaration of Confor - -
Approval Standard Certificate Name mity
EAC TP TC 004/2011,TP TC EAC RU C-DE.AM02. WAGO GmbH & Co. KG
Brjansker Zertifizierungs 020/2011 B.00089_19 UK-Declaration of Confor - -
stelle mity
UL UL 508 E255817 WAGO GmbH & Co. KG
Underwriters Laboratories
Inc. .
UL UL 60950-1 E255815
Underwriters Laboratories
Inc.
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Data Sheet | Item Number: 787-834
https://www.wago.com/787-834
Downloads
Environmental Product Compliance
Compliance Search
Environmental Product
Compliance 787-834
Documentation
Bid Text Instruction Leaflet
787-834 docx Primär getaktete pdf
04.07.2019 22.26 KB Stromversorgungen 247.20 KB
PRO
787-834 xml
04.07.2019 7.25 KB
.
CAD/CAE-Data
CAD data CAE data
2D/3D Models 787-834 EPLAN Data Portal
787-834
.
WSCAD Universe
787-834
ZUKEN Portal 787-834
Engineering-Software
Configuration and Commissioning Software
WAGO Line Length Cal 1.3.5 exe
culation 09.12.2019 329.50 KB
1 Compatible Products
1.1 Optional Accessories
1.1.1 Marking
1.1.1.1 Marker
Item No.: 2009-145 Item No.: 248-501 Item No.: 793-5501 Item No.: 793-501
Mini-WSB Inline; for Smart Printer; 1700 Mini-WSB marking card; as card; not WMB marking card; as card; for terminal WMB marking card; as card; not stretcha
pieces on roll; stretchable 5 - 5.2 mm; stretchable; plain; snap-on type; white block width 5 - 17.5 mm; stretchable 5 - ble; plain; snap-on type; white
plain; snap-on type; white 5.2 mm; plain; snap-on type; white
Item No.: 2009-115
WMB-Inline; for Smart Printer; 1500 pieces
on roll; stretchable 5 - 5.2 mm; plain; snap-
on type; white
.
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Data Sheet | Item Number: 787-834
https://www.wago.com/787-834
1.1.1.2 Marking strip
Item No.: 2009-110 Item No.: 210-831 Item No.: 210-832
Marking strips; for Smart Printer; on reel; Marking strips; on reel; 2.3 mm wide; Marking strips; on reel; 3 mm wide; plain;
not stretchable; plain; snap-on type; white plain; Self-adhesive; white Self-adhesive; white
.
1.1.2 Mounting adapter
1.1.2.1 DIN-rail adapter
Item No.: 787-897 Item No.: 787-896
Carrier rail adapter made of zinc die-cast; Carrier rail adapter; for mounting 787-8xx
for mounting 787-8xx devices to a DIN 35 devices to a DIN 35 rail
rail
.
1.1.2.2 Wall-mount adapter
Item No.: 787-895
Mounting carrier; for screw fixing of
787-8xx devices on mounting plate or wall
without DIN 35 rail
.
1.1.3 Tool
1.1.3.1 Operating tool
Item No.: 210-719 Item No.: 210-720 Item No.: 210-721 Item No.: 210-769
Operating tool; Blade: 2.5 x 0.4 mm; with a Operating tool; Blade: 3.5 x 0.5 mm; with a Operating tool; Blade: 5.5 x 0.8 mm; with a SCREWDRIVER; green
partially insulated shaft partially insulated shaft; multicoloured partially insulated shaft; multicoloured
.
Subject to changes. Please also observe the further product documentation!
Current addresses can be found at:: w w w.wago.com
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