NT-50 series safety circuit breaker,MCB MY mini circuit breaker,MCB ... . Rated voltage Un (V): 115/230 4. Rated frequency (Hz): 50, 60 5. Rated current In (A): 6, 10, 16, 20 ... non-actuating current I N (MA): 15, 7.5, 5TypeNT-50 series Safety Circuit BreakerRated voltage (V)220Rated current (A)6 ... of short-circuit breaking (kA)1.5Poles (P)2 NT-50 series safety circuit breaker ,MCB