Datasheet

787-612
4
314
Switched-Mode Power Supply
EPSITRON
®
CLASSIC Power
L
N
DC+
DC+
DC -
DC -
• Primary switch mode power supply unit
• Prepared for class I equipment
• Parallel operation, series connection possible
• Natural convection cooling when horizontally mounted
• Enclosed for use in switchgear cabinets
• Electrically isolated output voltage (SELV) acc. to EN 60950-1/UL 60950
Description
Item No.
Pack.
Unit
Switched-Mode Power Supply,
24 V DC / 2.5 A
787-612 1
Technical Data
Input:
Nominal input voltage Vi nom 100 ... 240 VAC; 140 ... 300 VDC
Input voltage range 90 ... 264 VAC; 130 ... 300 VDC
Frequency 50 Hz ... 60 Hz
Input current Ii 0.6 A typ. at 230 VAC
Discharge current 700 μA typ.
Inrush current < 50 A
Mains failure hold-up time > 20 ms at 230 VAC
Output:
Nominal output voltage Vo nom 24 VDC (SELV)
Output voltage range 22 ... 28.8 VDC adjustable
Output current Io 2.5 A at 24 VDC
Factory preset 24 VDC
Adjustment accuracy 2 %
Residual ripple < 100 mVpp to 20 MHz
Current limitation from approx. 1.1 x Io
Overload behavior Constant current
Operational indication LED green (24 V o.k.)
Efficiency / power losses:
Efficiency 90 % typ.
Power loss P
V
7 W typ. (230 VAC / 24 VDC, 2.5 A)
Max. power loss P
V
8 W typ. (90 VAC / 24 VDC 2.5 A)
Fuse protection:
Internal fuse 1.6 AT / 250 VAC
External fuse C10 or B16 circuit breakers
An external DC fuse is required for the DC
input voltage
Transient overvoltage protection: Varistor
Technical Data
Environmental requirements:
Ambient operating temperature -10°C ... +70°C
Storage temperature -25 °C ... +85 °C
Rel. humidity 30 % ... 85 % (no condensation)
Derating -3 % / K (>55 °C)
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. 4.2 kV DC / 2.2 kV DC / 0.7 kV DC
Protection class Prepared for class I equipment
Degree of protection IP20 acc. to EN 60529
Overvoltage protection max. 40 VDC (output)
Overload protection via thermal protective circuit
Short circuit protection yes
No-load proof yes
Feedback voltage max. 30 VDC
Parallel operation yes
Series connection yes
Connection and type of mounting:
Wire connection CAGE CLAMP
®
(WAGO 231 Series)
Cross sections 0.08 ... 2.5 mm² / AWG 28 ... 12
(THHN, THWN)
Strip lengths 8 ... 9 mm / 0.33 in
Type of mounting DIN-rail mount (EN 60715)
Dimensions and weight:
Dimensions (mm) W x H x L 51 x 133 x 120
Height from upper-edge of DIN 35 rail
Weight 612.7 g
Standards and approvals:
Standards/Specifications
EN 60950-1, EN 61204-3,
UL 60950, UL 508, GL
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes
01.09.2014
Postfach 2880 - D-32385 Minden
Hansastr. 27 - D-32423 Minden
Tel.: [phone] E-Mail: [e-mail]
Fax: [phone] www.wago.com