... contactor magnetic ac contactor 1.CE certificate 2.double breaking contact 3.up to 630A 4.auxiliary contact 2NO+2NC ... 50Hz or 60Hz, rated current up to 630A, for making, breaking, frequently starting & controlling the AC motor. Combined with the ... contactor, mechanical interlocking contactor, star-delta starter. With the thermal relay, it is combined into the electromagnetic starter. The producL ...