Switchgear, Low Voltage Panel, Substation manufacturer / supplier in China, offering Hkm1-800 MCCB AC Moulded Case Circuit Breaker with Overload Protection, Factory MCCB Moulded Case Circuit Breaker 400V Thermal Protection Type ODM OEM, Factory Thermal Magnetic MCCB Circuit Breaker 160A 250A 630A 800A and so on.