Page 309 - Wagp_InterfaceElectronic_Volume4_2015_US.pdf

787-738

Switched-Mode Power Supply, 3-Phase 5

®
EPSITRON ECO Power 307

L1
DC O.K.
DC+
L2 DC+
DC -
L3 DC -
DC -

• Suitable for protection class I equipment Pack.
• Natural convection cooling when horizontally mounted Description Item No. Unit
• Enclosed for use in switchgear cabinets Switched-mode power supply, 787-738 1
• Fast and tool-free termination via lever-actuated terminal blocks 24 VDC / 6.25 A
• DC O.K. contact 5
• Parallel operation
• Electrically isolated output voltage (SELV) acc. to
EN 60950-1/UL 60950-1

Technical Data Technical Data

Input: Environmental requirements:
3 x (2 x) 400 V … 500 VAC Derating -2.5 % / K (> +50 °C; 400 VAC)
Nominal input voltage V i nom
Input voltage range 325 V … 575 VAC; 460 V … 800 VDC Degree of pollution 2 (acc. to EN 50178)
Frequency 47 Hz … 63 Hz Climatic category 3K3 (acc. to EN 60721)
Input current Ii 3 x 0.4 A at 400 VAC and 6.25 ADC Safety and protection:
Power factor ≥ 0.6 Test voltage PRI-SEC/PRI-GND/ 3 kV AC / 1.5 kV AC /
Discharge current < 3.5 mA SEC-GND/SEC-DC OK 0.5 kV AC / 0.5 kV AC
Inrush current < 25 A Protection class Prepared for class I equipment
Mains failure hold-up time > 17 ms at 3x 400 VAC Degree of protection IP20 (acc. to EN 60529)
Output: Overvoltage protection yes
24 VDC (SELV) Short circuit protection yes
Nominal output voltage V o nom
Output voltage range 22 ... 28 VDC adjustable No-load proof yes
6.25 A at 24 VDC Feedback voltage 30 V
Output current I o
Factory preset 24 VDC Parallel operation yes
Adjustment accuracy 1 % Series connection yes
Residual ripple < 80 mV (peak-to-peak) MTBF > 250000 h
Overload behavior Constant power Connection and type of mounting:
(in overload range: 1.15 ... 1.4 x I o ); Wire connection Input/Output: WAGO 2706 Series
shutdown and automatic restart in the event Signaling: WAGO 2091 Series
of a short circuit Cross sections Input/Output:
Operational indication Green LED (V o ) 0.5 mm² … 6 mm² / AWG 20 … 10
Red LED (overload) Signaling:
Signaling DC O.K. contact; 0.2 mm² … 1.5 mm² / AWG 24 … 14
Make contact (max. 31.2 V / 20 mA) Strip lengths Input/Output:
Efficiency/Power losses: 11 … 12 mm / 0.43 … 0.47 in
Efficiency 87 % typ. Signaling: 8 … 9 mm / 0.31 … 0.35 in
18.5 W Type of mounting DIN-rail mount (EN 60715)
Power loss P V
20 W Dimensions and weight:
Max. power loss P V
Fuse protection: Dimensions (mm) W x H x L 50 x 130 x 92
Internal fuse 3 x T 2 A / 250 V Length from upper-edge of DIN 35 rail
External fuse 3 x circuit breakers 10 A, 16 A, Weight 3500 g
B or C characteristic, Standards and approvals:
or motor circuit breakers Standards/Specifications EN 60950, EN 61204-3,
External DC fuse required for DC input UL 60950*, UL 508*
voltage (* pending)
Environmental requirements:
Ambient operating temperature -25 °C … +70 °C
Storage temperature -40 °C … +85 °C
Rel. humidity 95% (no condensation permissible)