Mini circuit breaker is suitable for wires of AC 50Hz, rated voltage of 400V,rated current of 32A(63A)D, with some protection functions such as leakage because of getting an electric shock, overload, short circuit, etc., and it can add over-voltage protection function according to users’ requirements. It mainly used in building lighting and protection of power distribution system. This product accords with IEC61009 and GB16917.1 standard.