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Application

CK3 type AC high voltage vacuum contactor?is operated in the current system of AC50Hz, rated?working voltage of main circuit up to 1140V, rated?current up to 600A, used to remotely to make or?break or frequently start and control AC motor. It?can also be cooperated with various protective?devices to form magnetic starter, the arc will not?be exposed, specially it can be used to construct?as explosion proof magnetic starter, suitable for?coal or petroleum field.