Datasheet

787-850
4
307
4
Switched-Mode Power Supply
EPSITRON
®
PRO Power
L1
DC+
DC+
DC -
DC -
L2
L3
• Primary switch mode power supply unit with PowerBoost and TopBoost
• LineMonitor for parameter setting and monitoring
• RS-232 serial interface
•4 signal outputs
• Parallel operation, series connection possible
• Prepared for class I equipment
• 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 / 10 A
787-850 1
Technical Data
Input:
Nominal input voltage Vi nom 3x (2x) 400 ... 500 VAC
Input voltage range 340 ... 550 VAC; 480 ... 780 VDC
(use of DC requires external protection)
Frequency 50 - 60 Hz
Input current Ii 3 x 0.6 A at 340 VAC and 10 ADC
Discharge current 1 mA typ.
Inrush current < 30 A
Mains failure hold-up time 22 ms typ. at 3 x 400 VAC
Output:
Nominal output voltage Vo nom 24 VDC (SELV)
Output voltage range 22.8 ... 28.8 VDC adjustable
Output current Io 10 A at 24 VDC
PowerBoost 20 ADC (for 4 s); 15 ADC (for 16 s)
TopBoost 70 ADC (for 50 ms)
Factory preset 24 VDC
Adjustment accuracy 1 %
Residual ripple < 70mVpp
Current limitation 1.1 x Io typ.
Overload behavior adjustable (constant current / fuse mode)
Operational indication LED green (Vo), LED yellow (warning),
LED red (error)
Signaling LED, LCD, 4 x signal output 24 V DC,
25 mA
LineMonitor, parameter setting via LCD and RS-232 serial interface
Efficiency / power losses:
Efficiency 91.7 % typ.
Power loss P
V
7.8 W (stand-by) / 19.9 W (rated load)
Fuse protection:
Internal fuse 3 x 1.6 AT
External fuse 3 x circuit breakers 6 A, 10 A, 16 A,
characteristic: B or C;
or motor circuit breakers,
setpoint: 1.6 A, setting range: 1.6 ... 2.5 A
An external DC fuse is required for the DC
input voltage
Technical Data
Environmental requirements:
Ambient operating temperature -25 °C ... +70 °C
Storage temperature -25 °C ... +85 °C
Rel. humidity 30 % ... 85 % (no condensation)
Derating -3 % / K (> 50 °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 via varistor at primary circuit
Short circuit protection yes
No-load proof yes
Feedback voltage max. 35 VDC
Parallel operation yes
Series connection yes
Connection and type of mounting:
Wire connection Input/Output: WAGO 231 Series
Signalising: WAGO 733 Series
Cross sections Input/Output:
0.08 mm² ... 2.5 mm² / AWG 28 ... 12
Signalising:
0.08 mm² ... 0.5 mm² / AWG 28 ... 20
Strip lengths Input/Output: 8 ... 9 mm / 0.33 in
Signalising: 5 ... 6 mm / 0.22 in
Type of mounting DIN-rail mounting (EN 60715) in
2 positions
Dimensions and weight:
Dimensions (mm) W x H x L 57 x 163 x 179
Height from upper-edge of DIN 35 rail
Weight 1000 g
Standards and approvals:
Standards/Specifications EN 60950, EN 61204-3,
UL 60950, UL 508
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes 01.07.2013
Postfach 2880 - D-32385 Minden
Hansastr. 27 - D-32423 Minden
Tel.: [phone] E-Mail: [e-mail]
Fax: [phone] www.wago.com