Datasheet

787-736
4
105
INTERFACE ELECTRONIC
Switched-Mode Power Supply
EPSITRON
®
ECO Power
L
N
3
DC+
DC+
DC–
DC–
DC–
DC O.K.
• Prepared for class I equipment
• Natural convection cooling when horizontally mounted
• Enclosed for use in switchgear cabinets
• Fast and tool-free termination via lever-actuated terminal blocks
• Bounce-free switching contact (DC OK)
• Parallel operation
• Electrically isolated output voltage (SELV) acc. to EN / UL 60950-1
Description
Item No.
Pack.
Unit
Switched-Mode Power Supply,
24 VDC / 40 A
787-736 1
Technical Data
Input:
Nominal input voltage Vi nom 100 ... 240 VAC
Input voltage range 85 ... 264 VAC; 120 ... 370 VDC
(use of DC requires external protection)
Frequency 47 Hz ... 63 Hz
Input current Ii < 6 A at 230 VAC;
< 12 A at 115 VAC
Discharge current < 3.5 mA
Inrush current < 30 A at 230 VAC;
< 25 A at 115 VAC
Mains failure hold-up time > 17 ms at AC 230 V / nominal load
Power factor > 0.94 at 230 VAC
> 0.98 at 115 VAC
Output:
Nominal output voltage Vo nom 24 VDC, SELV
Output voltage range 22 ... 28 VDC adjustable
Output current Io 40 A at 24 VDC
Factory preset 24 VDC
Adjustment accuracy 1 %
Residual ripple < 100 mV (peak-peak)
Overload behavior Constant power
(in overload range:1.15 ... 1.4 x Io);
shutdown and automatic restart in the event
of a short circuit
Operational indication LED green (24 V DC o.k.),
LED red (overload)
Signaling Contact DC o.k.; make contact
(max. 31.2 V / 20 mA)
Efficiency / power losses:
Efficiency 90 % typ.
Power loss P
V
107 W at AC 230 V / nominal load
Fuse protection:
Internal fuse 20 AT / 250 V
External fuse Circuit breakers 13 A, 16 A, 20 A,
characteristic: B or C
An external DC fuse is required for the DC
input voltage
Technical Data
Environmental requirements:
Ambient operating temperature -25 °C ... +70 °C
Storage temperature -40 °C ... +85 °C
Rel. humidity 95 % (no condensation)
Derating -2.66 % / K (> 55 °C);
-2 % / V (Vi < 100 VAC)
Degree of pollution 2 (acc. to EN 50178)
Climatic category 3K3 (acc. to EN 60721)
Safety and protection:
Test voltage pri.-sec./pri.-gr./sec.-gr./
sec.-DC o.k.
3 kV AC / 1.5 kV AC / 0.5 kV AC /
0.5 kV AC
Protection class Prepared for class I equipment
Degree of protection IP20 (acc. to EN 60529)
Overvoltage protection via varistor at primary circuit
Short circuit protection yes
No-load proof yes
Feedback voltage 29 VDC
Parallel operation yes
Series connection yes
MTBF > 250000 h
Connection and type of mounting:
Wire connection Input/Signalising:
WAGO 2706 Series
Output: WAGO 2716 Series
Cross sections Input/Signalising:
0.5 mm² ... 6 mm² / AWG 20 ... 10
Output:
1.5 mm² ... 16 mm² / AWG 16 ... 6
Strip lengths Input/Signalising:
11 ... 12 mm / 0.43 ... 0.47 in
Output: 12 ... 13 mm / 0.47 ... 0.51 in
Type of mounting DIN-rail mounting (DIN EN 50022)
Dimensions and weight:
Dimensions (mm) W x H x L 170 x 136 x 150
Length from upper-edge of DIN 35 rail
Weight 3500 g
Standards and approvals:
Standards/Specifications EN 60950 (SELV)*, EN 61000-6-2*,
EN 61000-6-3*, UL 60950*, UL 508*
(* pending)
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes 30.04.2013
Postfach 2880 - D-32385 Minden
Hansastr. 27 - D-32423 Minden
Tel.: [phone] E-Mail: [e-mail]
Fax: [phone] www.wago.com