Being used in an AC. 50-60 Hz electric power system with rated working voltage of 2kV and 3.6kV and different rated current from 200A to 1600A, the medium voltage vacuum contactor is for direct or remote on-off control of the main circuit and disconnect motor rotor winding loop, thus, ideal for electric-cotrolling condition which needs large current control. This series adopts before- and-after layout between the main circuit and controlling circuit, electrical latch or machanical latch, and vacuum interrupter with glass or ceramic shell.
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