Data sheet | Item number: 787-1642
Switched-mode power supply; EPSITRON® CLASSIC Power; 3-phase; 24
VDC output voltage; 20 A output current; TopBoost; DC OK contact
www.wago.com/787-1642
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
22.04.2020 Page 1/12
Data sheet | Item number: 787-1642
www.wago.com/787-1642
Item description
Features:
Switched-mode power supply with TopBoost, enabling secondary-side protection via circuit breakers
Natural convection cooling when horizontally mounted
Enclosed for use in control cabinets
Contact (DC O K)
Suitable for both parallel and series operation
Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1; PELV per EN 60204
Data
Technical Data
Input
Phases
Nominal input voltage U
i nom
Input voltage range
Nominal mains frequency range
Input current I
i
Discharge current
Inrush current
Power factor correction (PFC)
Mains failure hold-up time
2
3
(2 / 3) x AC 400 … 500 V
(2 / 3) x AC 320 … 575 V; DC 450 … 800 V
47 … 63 Hz; 0 Hz
≤ 3 x 1,21 A (400 VAC); ≤ 3 x 1,03 A (500 VAC)
≤ 1 mA
≤ 30 A (NTC)
Passive
≥ 25 ms (500 VAC); ≥ 15 ms (400 VAC)
Output
to changes. Please also observe the further product documentation!
Subject
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
22.04.2020 Page 2/12
Data sheet | Item number: 787-1642
www.wago.com/787-1642
Output
Nominal output voltage U
o nom
Output voltage range
Factory preset
Nominal output current I
o nom
Nominal output power
Adjustment accuracy
Residual ripple
Current limitation
Overload behavior
DC 24 V (SELV)
DC 23 … 28,5 V (adjustable)
DC 24 V
20 A (24 VDC)
480
W
≤ 1 %
≤ 15 mV (peak-to-peak)
1.1 x I
o nom
(typ.)
Constant current
Signaling and communication
Signaling
Operation status indicator
1 x LED DC OK (green)
1 x DC OK contact (make contact; max. 30 VAC/DC; 1 A)
Green LED (U
o
)
Efficiency/Power losses:
Power loss P
l
Max. power loss P
v max.
Efficiency (typ.)
≤ 5,8 W (No load); ≤ 42,8 W (400 VAC; Nominal load)
47,6 W (500 VAC / 24 VDC; 20 A)
92 %
Fuse protection:
Internal fuse
External fuse (required)
No
3 x circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C, 20
A (max.)
Alternative: motor circuit breaker
An external DC fuse is required for the DC input voltage.
Safety and protection:
Insulation voltage (PRI-SEC)
Isolation voltage (PRI-GND)
Insulation voltage (SEC-GND)
Protection class
Protection class
Feedback voltage
DC 4,242 kV
DC 2,2 kV
DC 0,7 kV
I
IP20 (per EN 60529)
≤ DC 35 V
Overvoltage category
II
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
22.04.2020 Page 3/12
Data sheet | Item number: 787-1642
www.wago.com/787-1642
Overvoltage category
Transient protection, primary
Overvoltage protection, secondary
Short circuit protection
No-load proof
Parallel operation
Series connection
MTBF
II
Varistor
Internal protective circuit
≤ 40 VDC (in the event of a fault)
Yes
Yes
Yes
Yes
> 500,000 h (per IEC 61709)
Connection data
Connection type (1)
Connection technology
WAGO terminal
Solid conductor
Fine-stranded conductor
Strip length
Connection type (2)
Connection technology 2
WAGO terminal 2
Solid conductor (2)
Fine-stranded conductor (2)
Strip length (2)
Input/Signaling
CAGE CLAMP
®
WAGO 721 Series
0,08 … 2,5 mm² / 28 … 12 AWG
0,08 … 2,5 mm² / 28 … 12 AWG
8 … 9 mm / 0.31 … 0.35 inch
Output
Push-in CAGE CLAMP
®
WAGO 831 Series
0,5 … 10 mm² / 20 … 8 AWG
0,5 … 10 mm² / 20 … 8 AWG
13 … 15 mm / 0.51 … 0.59 inch
Geometrical Data
Width
Height
Length from upper-edge of DIN-35 rail
80 mm / 3.15 inch
127 mm / 5 inch
180 mm / 7.087 inch
Mechanical data
Type of mounting
DIN-35 rail (EN 60715)
Material Data
Weight
1623
g
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
22.04.2020 Page 4/12
Data sheet | Item number: 787-1642
www.wago.com/787-1642
Environmental Requirements
Surrounding air (operating) temperature
Surrounding air (storage) temperature
Relative humidity
Derating
Pollution degree
-25 … 70 °C (Device starts at −40 °C (type-tested))
-25 … 85 °C
5 … 96 % (no condensation permissible)
-2.5 %/K (> 55 °C)
2
Standards and specifications
Conformity marking
Standards/specifications
CE
EN 60950-1; EN 61204-3; UL 60950-1; UL 508; DNV GL
Commercial data
Packaging type
Country of origin
GTIN
Customs Tariff No.
BOX
DE
4055143259170
85043180888
Approvals / Certificates
Ship Approvals
Logo
Approval
DNV GL
Det Norske Veritas, Germanischer Lloyd
Additional Approval Text
-
Certificate
name
TAA00000KT
UL-Approvals
Logo
Approval
UL
Underwriters Laboratories Inc.
Additional Approval Text
UL 60950-1
Certificate
name
E255815
UL
Underwriters Laboratories Inc.
UL 508
E255817
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
22.04.2020 Page 5/12
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