1.63A Miniature Circuit Breaker/MCB 6KA C45 2.Voltage:230/400V current:1-63A 3.Poles:1 4.Breaking capacity:6/4.5KA... air circuit breaker,MCB circuit breaker,circuit breaker panel The product is mainly used in AC50/60Hz single pole230V or two,three,four pole 400V voltage for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting ...