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Description | Primary switch mode EPSITRON PRO Power supplies; Output voltage DC 24 V; 20 A; open circuit and short-circuit protected; adjustable output voltage; LED status indication; PowerBoost |
Remarks | Item description:
- Switched-mode power supply with PowerBoost and TopBoost
- Switch off the output and minimize power consumption via stand-by input
- DC OK contact for output monitoring
- Suitable for both parallel and series operation
- Natural convection cooling when horizontally mounted
- Enclosed for use in control cabinets
- Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1
External fuse: Circuit breakers 6 A, 10 A, 16 A, characteristic: B or C; An external DC fuse is required for the DC input voltage
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Item properties | Miscellaneous Name | Value | Unit | Conformity marking | CE | | Switching capacity | 8 A (active inrush current limitation) | | Overvoltage protection | via varistor at primary circuit | | Power loss PV | 0.8 W (stand-by) / 4.8 W (no load) / 43.2 W (rated load) | | Protection class | I | | Factory preset | 24 VDC | | Overload behavior | TopBoost/PowerBoost/Constant current mode | | Degree of pollution (5) | 2 (per EN 50178) | | Signaling | Relay contact DC O.K. (changeover contact) | | MTBF | > 500000 h (per IEC 61709) | | Input voltage range | 85 264 VAC; 120 373 VDC | | Output voltage range | 22 29.5 VDC variable | | Nominal input voltage Vi nom | 110 ... 240 VAC | | Input current Ii | 2.3 A at 230 VAC and 20 ADC | | Note Discharge current | 1 mA typ. | | Mains failure hold-up time | 25 ms typ. at 230 VAC | | Internal fuse | T 10 A / 250 V | | Nominal output voltage Vo nom | 24 VDC, SELV | | Output current Io | 20 A at 24 VDC | | PowerBoost | 30 ADC (for 4 s); 25 ADC (for 8 s) | | TopBoost | 80 ADC (for 25 ms) | | Residual ripple | < 70 mV (peak-to-peak) | | Derating | -3 % / K (> +50 ) | | Adjustment accuracy [%] | < 1 | % | Current limitation | 1.1 x Io typ. | | Parallel operation | yes | | Feedback voltage | max. 35 VDC | | Efficiency | 91 % typ. | | Test voltage pri. - gr. [kV] | 2.2 kV (DC) | kV | Test voltage PRI SEC [kV] | 4.2 kV (DC) | kV | Test voltage sec. - gr. [kV] | 0.7 kV (DC) | kV | Degree of protection | IP20 per EN 60529 | | Operational indication | Green LED (DC OK), red LED (error) | | Short circuit protection | yes | | Overvoltage category | II | | No-load proof | Yes | | Connection technology | CAGE CLAMP | | Solid conductor | 0.08 2.5 mm / 28 12 AWG | | Strip length | 8 9 mm / 0.31 0.35 Inch | | Connection technology 2 | CAGE CLAMP | | Solid conductor 2 | 0.5 10 mm / 20 8 AWG | | Strip length 2 | 13 15 mm / 0.51 0.59 Inch | | Connection technology 3 | CAGE CLAMP | | Solid conductor 3 | 0.08 0.5 mm / 28 20 AWG | | Strip length 3 | 5 ... 6 mm / 0.2 ... 0.24 Inch | | Weight [g] | 2300 | g | Width | 97 mm / 3.819 Inch | | Height | 171 mm / 6.732 Inch | | Depth | 187 mm / 7.362 Inch | | Storage temperature | -25 +85 | | Type of mounting | DIN-35 x 15 carrier rail | | Ambient operating temperature | -25 +70 ; Device start at -40 type-tested | | Mounting type | Tragschienenmontage (EN 60715) in 2 Lagen | | Climatic category | 3K3 (per EN 60721) | | Relative humidity | 5 96 % (no condensation permissible) | | |
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The Pro switch-mode AC/DC power supply unit (SMPS PSU) from WAGO's Pro series offers a 24Vdc (SELV) output with a capacity of 20A and 480W. It supports an input voltage range of 85-264Vac or 120-300Vdc, making it compatible with various single-phase AC and DC sources. The unit features TopBoost, PowerBoost, and a DC-OK relay contact output, and utilizes CAGE CLAMP spring connections for secure wiring. Designed for DIN-35 rail mounting with a width of 97mm, it is rated for operation in ambient temperatures from -25°C to +70°C and has an IP20 protection rating. This model is equivalent to the 787834.