787-974 WAGO Power Supply Accessories

Wago 787-974 is a transformer designed for auxiliary or control transformer applications, capable of series operation with identical power supplies. It features CAGE-CLAMP spring connections for secure and maintenance-free wiring. The transformer has a rated current of 3.3A with a 115Vac load and 1.67A with a 230Vac load, and a rated power of 40 VA. It operates within a supply voltage range of 0-230Vac and is designed to function in ambient air temperatures ranging from -25°C to +55°C for operation and -25°C to +85°C for storage. The transformer offers a degree of protection rated at IP20 and includes a rated insulation voltage (Ui) of 126 mm. It is equipped with T 1.25A / 250Vac + T 0.63A / 250Vac internal fuses for short-circuit and open circuit protection. The part dimensions are H90mm x W126mm x D54mm, suitable for DIN-35 rail mounting. It is designed for single-phase AC (1AC) operation with a frequency range of 50-60 Hz and can handle up to 90% relative humidity (RH).