Contactor, Circuit Breaker, Relay manufacturer / supplier in China, offering Moulded Case Circuit Breaker 3 Pole 4p 10A 15A 16A 20A 25A MCCB, Moulded Case 32A 315A Circuit Breaker 100 AMP 3 Pole MCCB, MCCB 250 AMP 4 Pole Moulded Case100A 800 AMP 3 Pole Circuit Breaker and so on.