
- Switched-mode power supply
- Natural convection cooling when horizontally mounted
- Enclosed for use in switchgear cabinets
- Limited Power Source (LPS) per NEC Class 2
- Bounce-free switching signal (DC O K)
- Suitable for both parallel and series operation
- Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1; PELV per EN 60204
- GL approval, also suitable for EMC 1 in conjunction with 787-980 Filter Module
The WAGO Classic series switch-mode AC/DC power supply unit (SMPS PSU) is NEC class 2 and DNV approved, providing a 12Vdc (SELV) output at 4A and 48W. It accepts an input voltage range of 85-264Vac or 120-300Vdc, suitable for single-phase AC or DC. The unit features CAGE CLAMP spring connections, is designed for DIN-35 rail mounting with a 45mm width, and has an IP20 protection rating. It operates in ambient temperatures from -25°C to +70°C and is equivalent to model 7871611.
- conformity marking:
- CE
- connection technology:
- CAGE CLAMP
- connection type 1:
- Input/output/signaling
- control deviation:
- ¤ 1 %
- country of origin sales organisation germany:
- DE
- current limitation:
- 1.1 x Io nom (typ.)
- default setting:
- DC 12 V
- depth from upper edge of din rail:
- 107.5 mm / 4.232 inch
- derating:
- -3 %/K (> 50 C)
- discharge current:
- ¤ 0.25 mA
- efficiency typ:
- 0.86
- fine stranded conductor:
- 0.08 2.5 mm / 28 12 AWG
- fire load:
- 0.239 MJ
- height:
- 90 mm / 3.543 inch
- input current ii:
- ¤ 0.46 A (240 VAC): ¤ 0.86 A (100 VAC)
- input voltage derating:
- -2.5 %/V (< 95 VAC)
- input voltage range:
- AC 85 264 V: DC 120 372 V
- inrush current:
- ¤ 30 A
- internal fuse:
- T 4 A / 250 VAC
- isolation voltage pri sec:
- DC 4.242 kV
- mains failure hold up time:
- 120 ms (230 VAC): 15 ms (100 VAC)
- mounting type:
- DIN-35 rail
- mtbf:
- > 500,000 h (per IEC 61709)
- nominal input voltage ui nom:
- 1 x AC 100 240 V
- nominal mains frequency range:
- 44 66 Hz: 0 Hz
- nominal output current io nom:
- 4 A (12 VDC): 4.2 A (< 40 C)
- nominal output power:
- 48 W
- nominal output voltage uo nom:
- DC 12 V (SELV)
- open circuit proof:
- Yes
- operation status indicator:
- Green LED (Uo)
- output voltage range:
- DC 11.5 14.5 V (adjustable)
- overload behavior:
- Constant current
- overvoltage category:
- II
- overvoltage protection secondary:
- Internal protective circuit || ¤ 35 VDC (in the event of a fault)
- packaging type:
- Box
- parallel operation:
- Yes
- phases:
- 1
- pollution degree:
- 2
- power factor correction pfc:
- Passive
- power loss max pl max:
- 9.1 W (100 VAC / 12 VDC: 4 A)
- power loss pl:
- ¤ 1 W (230 VAC: No load): ¤ 8 W (230 VAC: Nominal load)
- protection class:
- II
- protection type:
- IP20 (per EN 60529)
- recommended backup fusing:
- Circuit breaker: 6 A, 10 A, 16 A: Tripping characteristic: B or C
- relative humidity:
- 5 96 % (no condensation permissible)
- required backup fusing:
- An external DC fuse is required for the DC input voltage.
- residual ripple:
- ¤ 20 mV (Peak-to-peak)
- resistance to reverse feed:
- ¤ DC 25 V
- series operation:
- Yes
- short circuit protected:
- Yes
- signaling:
- 1 x LED DC OK (green) || 1 x Active signal output DC OK (12 VDC: 40 mA)
- solid conductor:
- 0.08 2.5 mm / 28 12 AWG
- standards specifications:
- EN 61010-1 || EN 61010-2-201 || EN 61204-3 || EN 60335-1 || UL 60950-1 || UL 508 || GL
- strip length:
- 8 9 mm / 0.31 0.35 inch
- surrounding air temperature operation:
- -25 70 C (Device starts at 40 C (type-tested))
- surrounding air temperature storage:
- -25 85 C
- transient suppression primary:
- Varistor
- wago connector:
- WAGO 721 Series
- weight:
- 257.600 g
- width:
- 45 mm / 1.772 inch