... Mini Circuit Breaker,circuit breaker,MCB 1.Rated voltage(V) AC :230/400 2.Rated current(A) : 2~63A 3."Naidian" S230 Mini Circuit Breaker,circuit breaker,MCBDescription S230, S250 mini circuit breaker ... pole up to 240V, rated current up to 60A and in distribution of illumination of industry, commerce and building. S230 Mini Circuit Breaker