... cacapity CKD (Inner parts) supplier BKN Mini Circuit Breaker (MCB)Application:BKN series mini circuit breakers are mainly used for overload ... on or off the electric apparatus and lighting circuitsunder the normal conditions. Features:1) Character: B, C, D2) Rated voltage: ... 50, 63A4) Breaking capacity: 3, 6kA5) Number of poles: 1, 2, 3, 46) Standards: IEC60898, IEC947-2 BKN Mini Circuit Breaker (MCB)