Vacuum Circuit Breaker, Load Break Switch, Ring Main Unit manufacturer / supplier in China, offering JLB67-125(H)Mini circuit breaker with H-breaking capacity( Icu=6kA/10kA) MCB, YHB3-80(M/H)Mini circuit breaker with H-breaking capacity( Icu=6kA/10kA) MCB, JLB6-63Mini circuit breaker with H-breaking capacity( Icu=6kA) MCB and so on.