... cacapity CKD (Inner parts) supplier BKN Mini Circuit Breaker (MCB)Application:BKN series mini circuit breakers are mainly used for overload and short ... circuit protectionwithin the circuit of AC 50Hz, 230V in single-pole, 400V in double/ ... : 1, 2, 3, 46) Standards: IEC60898, IEC947-2 BKN Mini Circuit Breaker (MCB)