It is used for control and protection of circuit and motor against overload and short-circuit,and also used for infrequent making and breaking of circuit and infrequent starting of motor,especially suitable for guesthouses,apartments,highstorey building,industrial and commercial enterprises. Specification Type No.of pole Rated voltage (V) Rated current (A) breaking capacity Mechanical and electrical Life GB 10963 BS38711 IEC 898 IEC 157.1 K101-32 1 220/380 240/415 50Hz/60Hz 6 10 16 20 25 32 6kA 6kA 10kA 10000 times K102-32 2 K103-32 3 K104-32 4 K101-100 1 40 50 63 80 100 4.5kA 4.5kA 6kA 10000 times K102-100 2 K103-100 3 K104-100 4