Datasheet

787-832
Switched-Mode Power Supply, 1-Phase
EPSITRON
®
PRO Power
L
N
DC+
DC+
DC -
DC -
DC O.K.
Stand-by
• Primary switch mode power supply unit with PowerBoost and TopBoost
• Stand-by input for switching off the output and minimizing power
consumption
• DC OK contact for output monitoring
•
Sui
table for both parallel and series operation
• Natural convection cooling when horizontally mounted
• Enclosed for use in switchgear cabinets
• Electrically isolated output voltage (SELV) acc. to EN 60950-1/UL 60950-1
Description
Item No.
Pack.
Unit
Switched-mode power supply,
24 V DC / 10 A
787-832 1
Technical Data
Input:
Nominal input voltage V
i nom
110 … 240 VAC
Input voltage range 85 … 264 VAC; 120 … 350 VDC
Frequency 50 Hz … 66 Hz
Input current I
i
1.2 A at 230 VAC and 10 ADC
Discharge current 1mA typ.
Inrush current ≤ Ie (active inrush current limitation)
Mains failure hold-up time 24 ms typ. at 230 VAC
Output:
Nominal output voltage V
o nom
24 VDC (SELV)
Output voltage range 22… 29.5 VDC adjustable
Output current I
o
10 A at 24 V DC
PowerBoost 20 ADC(for 4 sec.);
15 ADC (for another 4 sec.)
TopBoost 60 ADC (for 25 ms)
Factory preset 24 VDC
Adjustment accuracy 1%
Residual ripple < 70 mV (peak-to-peak)
Current limitation 1.1 x Io typ.
Overload behavior Constant current
Operational indication LED green (DC OK), LED red (error)
Signaling Relay contact DC OK (changeover contact)
Efficiency / power losses:
Efficiency 91.8 % typ.
Power loss P
V
0.8 W (stand-by) / 3.5 W (no load) /
19.7 W (rated load)
Fuse protection:
Internal fuse T 6.3 A / 250 V
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 -25°C … +70°C
Storage temperature -25 °C … +85 °C
Rel. humidity 5 % … 96 % (no condensation permissible)
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 I
Degree of protection IP20 (acc. to EN 60529)
Overvoltage category II
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
MTBF > 500000 h (acc. to IEC 61709)
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 / 28 … 12 AWG
Signalising:
0.08 mm² … 0.5 mm² / 28 … 20 AWG
Strip lengths Input/Output: 8 … 9 mm / 0.31 … 0.35 in.
Signalising: 5 … 6 mm / 0.2 … 0.24 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
Length from upper-edge of DIN 35 rail
Weight 1485 g
Standards and approvals:
Standards/specifications EN 60950, EN 61204-3, UL 60950,
EN
61558-2-16, UL 508
WAGO Kontakttechnik GmbH & Co. KG
Subject to design changes
06.04.2017
Postfach 2880 - D-32385 Minden
Hansastr. 27 - D-32423 Minden
Tel.: [phone] E-Mail: [e-mail]
Fax: [phone] www.wago.com