- Switched-mode power supply with TopBoost, enabling secondary-side protection via circuit breakers
- Natural convection cooling when horizontally mounted
- Enclosed for use in control cabinets
- Contact (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
The Classic switch-mode AC/DC power supply unit (SMPS PSU) from WAGO's Classic series, featuring TopBoost and a DC-OK relay contact output, is DNV approved and provides a 24Vdc (SELV) / 10A / 240W output. It supports an input voltage range of 320-575Vac (including 380Vac, 400Vac, 415Vac, and 480Vac) or 450-800Vdc, suitable for 3-phase AC (3AC) or DC. The unit includes CAGE CLAMP spring connections, is designed for DIN-35 rail mounting with a 55mm width, and has an IP20 protection rating. It operates in ambient temperatures ranging from -25°C to +70°C and is equivalent to model 7871640.
- 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 24 V
- depth from upper edge of din rail:
- 171 mm / 6.732 inch
- derating:
- -2.5 %/K (> 55 C)
- discharge current:
- ¤ 1 mA
- efficiency typ:
- 0.9
- fine stranded conductor:
- 0.08 2.5 mm / 28 12 AWG
- fire load:
- 0.000 MJ
- height:
- 127 mm / 5 inch
- input current ii:
- ¤ 3 x 0.73 A (400 VAC): ¤ 3 x 0.66 A (500 VAC)
- input voltage range:
- (2 / 3) x AC 320 575 V: DC 450 800 V
- inrush current:
- ¤ 30 A (NTC)
- internal fuse:
- No
- isolation voltage pri gnd:
- DC 2.2 kV
- isolation voltage pri sec:
- DC 4.242 kV
- isolation voltage sec gnd:
- DC 0.7 kV
- mains failure hold up time:
- 50 ms (500 VAC): 21 ms (400 VAC)
- mounting type:
- DIN-35 rail
- mtbf:
- > 500,000 h (per IEC 61709)
- nominal input voltage ui nom:
- (2 / 3) x AC 400 500 V
- nominal mains frequency range:
- 47 63 Hz: 0 Hz
- nominal output current io nom:
- 10 A (24 VDC)
- nominal output power:
- 240 W
- nominal output voltage uo nom:
- DC 24 V (SELV)
- open circuit proof:
- Yes
- operation status indicator:
- Green LED (Uo)
- output voltage range:
- DC 23 28.5 V (adjustable)
- overload behavior:
- Constant current
- overvoltage category:
- II
- overvoltage protection secondary:
- Internal protective circuit || ¤ 41 VDC (in the event of a fault)
- packaging type:
- Box
- parallel operation:
- Yes
- phases:
- 2 || 3
- pollution degree:
- 2
- power factor correction pfc:
- Passive
- power loss max pl max:
- 28.3 W (500 VAC / 24 VDC: 10 A)
- power loss pl:
- ¤ 2.1 W (No load): ¤ 27.9 W (400 VAC: Nominal load)
- protection class:
- I
- protection type:
- IP20 (per EN 60529)
- relative humidity:
- 5 96 % (no condensation permissible)
- required backup fusing:
- 3 x circuit breaker: 6 A, 10 A, 16 A: Tripping characteristic: B or C, 20 A (max.) || Alternative: motor circuit breaker || An external DC fuse is required for the DC input voltage.
- residual ripple:
- ¤ 50 mV (Peak-to-peak)
- resistance to reverse feed:
- ¤ DC 35 V
- series operation:
- Yes
- short circuit protected:
- Yes
- signaling:
- 1 x LED DC OK (green) || 1 x DC OK contact (make contact: max. 30 VAC/DC: 1 A)
- solid conductor:
- 0.08 2.5 mm / 28 12 AWG
- standards specifications:
- EN 61010-1 || EN 61010-2-201 || EN 61204-3 || UL 60950-1 || UL 508 || DNV 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:
- 1000.000 g
- width:
- 55 mm / 2.165 inch
