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Mining explosion-proof vacuum electromagnetic starter(Intelligent) QBZ2-30,60,80,120,200/660(380)

The device is used in coal mines containing explosive gas (methane) and coal dust. It is suitable for the circuit of AC 50Hz, voltage 660V or 1140V, ungrounded three- phase center. To local control or remote control the start and stop of three-phase asynchronous motor, and can be reversed at the stop.