Datasheet

787-1017
Switched-Mode Power Supply, 1-Phase
EPSITRON
®
COMPACT Power
L
N
DC+
DC+
DC -
DC -
• Primary switch mode power supply unit
• Prepared for class II equipment
• Natural convection cooling when horizontally mounted
• Stage profile, ideal for distribution boards or distribution boxes
• At reduced output current, any type of mounting positions are poss
ible
(e.g., horizontal, overhead mounting).
•
Electrically isolated output voltage (SELV) acc. to EN / UL 60950-1
Description
Item No.
Pack.
Unit
Switched-mode power supply,
15 ... 28 VDC / 2 A
787-1017 1
Technical Data
Input:
Nominal input voltage V
i nom
100 ... 240 VAC
Input voltage range 85 ... 264 VAC; 120 ... 373 VDC
Input voltage derating max. 2 A (< 100 VAC)
Frequency 44 Hz ... 66 Hz; 0 Hz
Input current Ii 0.9 A at 110 VAC /
0.5 A at 230 VAC
Discharge current 1 mA typ.
Inrush current < 30 A, NTC
Mains failure hold-up time > 10 ms at 110 VAC /
> 130 ms at 230 VAC
Output:
Nominal output voltage V
o nom
18 VDC
Output voltage range 15 ... 28 VDC adjustable
Output current I
o
2.4 A at 18 VDC
2.0 A at 24 VDC in horizontal mounting
position
Factory preset 18 VDC
Adjustment accuracy 2 %
Residual ripple < 100 mV (peak-to-peak) at 20 MHz
Current limitation 1.1 x I
o
typ.
Overload behavior Constant current
Operational indication LED green (V
o
)
Efficiency/Power losses:
Efficiency 84 % typ.
Power loss P
V
2.6 W (230 VAC / no load)
8.1 W (230 VAC / nominal load)
Max. power loss P
V
8.2 W (100 VAC / 18 VDC, 2.4 A)
Fuse protection:
Internal fuse T 2 A / 250 V
External fuse Circuit breakers 10 A, 16 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 … +60 °C
(UL: -25 °C … +55 °C);
Device start at -40 °C (type-tested)
Storage temperature -25 °C ... +80 °C
Rel. humidity 5 % ... 96 % (no condensation)
Derating -3 % / K (> 45 °C)
Degree of pollution 2 (acc. to EN 50178)
Climatic category 3K3 (acc. to EN 60721)
Safety and protection:
Enclosure Plastic, light gray,
Flammability class V0 acc. to UL94
Test voltage pri. - sec. 4.2 kV DC
Protection class Prepared for class II equipment
Degree of protection IP20 (acc. to EN 60529)
Overvoltage protection < 40 VDC (in the event of a fault)
Short circuit protection yes
No-load proof yes
Feedback voltage max. 25 VDC
Parallel operation yes
Series connection yes
MTBF 500000 h
Connection and type of mounting:
Wire connection Input/Output: WAGO 740 Series
Cross sections Input/Output:
0.08 ... 2.5 mm² / AWG 28 ... 12
Strip lengths Input/Output:
6 ... 7 mm / 0.24 ... 0.28 in
Type of mounting DIN-rail mount (EN 60715)
Dimensions and weight:
Dimensions (mm) W x H x L 72 x 89 x 59
Length from upper-edge of DIN 35 rail
Weight 264 g
Standards and approvals:
Standards/Specifications EN 60950, EN 61204-3,
UL 60950-1, UL 508, GL *
(* pending)
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes
14.01.2015
Postfach 2880 - D-32385 Minden
Hansastr. 27 - D-32423 Minden
Tel.: [phone] E-Mail: [e-mail]
Fax: [phone] www.wago.com