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Description | Primary switch mode PRO Power supplies; Output voltage DC 24 V; 40 A; adjustable output voltage; LED status indication; PowerBoost; LineMonitor |
Remarks | Item description:
- Switched-mode power supply with PowerBoost and TopBoost
- LineMonitor for parameter setting and monitoring
- RS-232 serial interface
- Four signal outputs
- 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
External fuse: 3 x circuit breakers 6 A, 10 A, 16 A, characteristic: B or C; or motor circuit breakers, setpoint: 3.2 A, setting range: 2.5 ... 4.0 A; An external DC fuse is required for the DC input voltage
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Item properties | Miscellaneous Name | Value | Unit | Communication | RS-232 serial interface | | Switching capacity | 30 A | | Overvoltage protection | via varistor at primary circuit | | Power loss PV | 7.0 W (stand-by) / 61.5 W (rated load) | | Protection class | I | | Factory preset | 24 VDC | | Overload behavior | adjustable (constant current / fuse mode) | | Degree of pollution (5) | 2 (per EN 50178) | | Signaling | LED, LCD, 4 x signal output 24 V DC, 25 mA | | MTBF | > 500000 h (per IEC 61709) | | Input voltage range | 340 ... 550 VAC; 480 ... 780 VDC | | Output voltage range | 22.8 28.8 VDC variable | | Nominal input voltage Vi nom | 3 x (2 x) 400 ... 500 VAC | | Input current Ii | 3 x 2.0 A at 340 VAC | | Note Discharge current | 1 mA typ. | | Mains failure hold-up time | 15 ms typ. at 3 x 400 VAC | | Internal fuse | 3 x T 3.2 A / 440 V | | Nominal output voltage Vo nom | 24 VDC, SELV | | Output current Io | 40 A at 24 VDC | | PowerBoost | 60 ADC (for 4 s); 50 ADC (for 16 s) | | TopBoost | 100 ADC (for 50 ms) | | Residual ripple | < 70 mV (peak-to-peak) | | Derating | -5 % / K (> +45 ) | | Adjustment accuracy [%] | < 1 | % | Current limitation | 1.1 x Io typ. | | Parallel operation | yes | | Feedback voltage | max. 35 VDC | | Efficiency | 93.6 % 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), yellow LED (warning), red LED (error) | | LineMonitor, parameter setting | via LCD and RS-232 serial interface | | 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 | 128 mm / 5.039 Inch | | Height | 171 mm / 6.732 Inch | | Depth | 205 mm / 8.071 Inch | | Storage temperature | -25 +85 | | Type of mounting | DIN-35 x 15 carrier rail | | Ambient operating temperature | -25 +55 ; 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 features TopBoost and PowerBoost technologies along with a line monitor, and supports RS-232 communication. It delivers a 24Vdc (SELV) output at 40A and 960W, with an input voltage range of 340-550Vac or 480-780Vdc, suitable for 3-phase AC or DC. The unit includes CAGE CLAMP spring connections, is designed for DIN-35 rail mounting with a width of 128mm, and has an IP20 protection rating. It operates in ambient temperatures from -25°C to +55°C and is equivalent to model 787854.