787-844 WAGO AC/DC Power Supplies

Wago 787-844 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 480-780Vdc and can be connected via CAGE-CLAMP spring connections. The unit offers a rated current of 40A, with PowerBoost options for 60A (4s), 50A (16s), and a TopBoost option of 100A (50ms), alongside a rated power of 960W. It supports a supply voltage (AC) of 340-550Vac, specifically designed for 380Vac, 400Vac, 415Vac, and 480Vac. The ambient air temperature for operation ranges from -25°C to +55°C, and for storage, it is from -25°C to +85°C. The degree of protection is rated at IP20, and it includes 3 x T 3.2A / 440Vac internal fuses for TopBoost/PowerBoost/Constant current mode, along with short-circuit and open circuit protection. The unit also features a 1.1 x Io nom (typ.) current limitation function. It is designed for 3-phase AC (3AC) or DC operation, with a response time of 15ms for 3 x 400Vac input. The product dimensions are H171mm x W128mm x D205mm, and it is designed for mounting on a DIN-35 rail. The output voltage is adjustable between 22.8-28.8Vdc, with a power dissipation/losses timing of 15ms and an output error of less than 1%. It is designed to operate within a humidity range of 5-96% RH without condensation and has an output voltage ripple of 70mVpp.