WCED Type B HP Heat Pump RCD – 2-Pole, 40A, 30mA

The WCED WHP Type B HP RCD is designed for heat pump installations requiring protection against smooth DC earth-leakage currents and high-frequency residual currents. Tested to operate at frequencies above 20kHz, it has a minimum tripping threshold of 150mA for frequencies above 1kHz.

Its compact two-pole, two-module design supports installation using a standard busbar. Designed to meet the requirements of BS 7671, it is suitable for modern inverter-driven heat pumps and other compatible applications. Type B devices also provide the functionality of Type AC, Type A and Type F devices, according to the supplied product information.