787-834 WAGO AC/DC Power Supplies

Wago 787-834 is a power supply unit featuring a pro switch-mode AC/DC power supply unit (SMPS PSU) with capabilities for TopBoost, PowerBoost, and both series and parallel operations. It operates with a supply voltage range of 120-300Vdc and an AC supply voltage of 85-264Vac, accommodating various input voltages such as 110Vac, 120Vac, 220Vac, 230Vac, and 240Vac. The unit is equipped with CAGE-CLAMP spring connections for secure and reliable connectivity. It offers a rated current of 20A, with PowerBoost capabilities of 30A for 4 seconds, 25A for 8 seconds, and a TopBoost of 80A for 25 milliseconds. The rated power of the unit is 480W. Designed for a wide range of operating temperatures, it functions optimally between -25°C and +70°C, with storage temperatures ranging from -25°C to +85°C. The device ensures protection with a degree of IP20 and includes features such as TopBoost/PowerBoost/Constant current mode, short-circuit protection, open circuit protection, and a 1.1 x Io nom (typ.) current limitation function. Its dimensions are H171mm x W97mm x D187mm, suitable for DIN-35 rail mounting. The power supply supports a single-phase AC (1AC) or DC input with a frequency range of 50-60 Hz. It is part of the Pro series and is designed to be replaced by models offering 24Vdc (SELV) and adjustable 22-29.5Vdc outputs. The unit's power dissipation/losses are noted at 25ms for a 230Vac input, with an output error of less than 1% and an output voltage ripple of 70mVpp.