Circuit Breaker, AC Contactor, Thermal Relay manufacturer / supplier in China, offering Sontuoec Stro6-40L Circuit Breaker DIN Rail Type Installation RCBO, RCCB Electromagnetic Leakage Current Circuit Breaker, Stm16-63 Miniature Circuit Breaker 6ka 1p 2p 3p 4p 16A 230/400V MCB and so on.