... 4.We are factory in liushi; 5.ODM,OEM all made. Application: JYW1 (DW45) series air circuit breaker (hereinafter referred ... power-supply equipment from overload, under-voltage, short-circuit and single-phase earthing with intelligentized and selective protection ... varieties of electrical devices as Air Circuit Breaker,Mini Circuit Breaker,Moulded Case Circuit Breakers,Leakage Breaker,A.C Contactors ...