... 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 ... the normal conditions. Features:1) Character: B, C, D2) Rated voltage: 230V/415V3) Rated current: 2, 6, 10, 16, 20, ...