MCCB, MCB manufacturer / supplier in China, offering MCCB China Manufacturer Moulded Case Types 125L 400L, Hot Sale 3 Pole MCCB Mould Case Circuit Breaker, Rated Current 100A-250A 400A, Lt Hot Sale MCCB Plastic Case Circuit Breaker 125 250 400 630 800 1250 1600 3p and so on.