STD Differential 4P 40A 300mA Class AC

4P instant differential protector, AC class, with a current rating of 40A and a sensitivity of 300mA. The STD range device, with a conditional short-circuit capacity of 6kA, supports a voltage of 240/415V AC. The switch with auxiliary contacts offers the possibility of connection via comb (lower only). The Hyundai Electrics device features an IP20 protection rating and is certified according to IEC/EN 61008-1. It is available in different voltages and sensitivities, to be selected according to the installation requirements. These products, with a simple and robust operating mechanism, are designed to protect people from electric shocks and to provide fire protection against earth leakage.