Mine explosion-proof vacuum electromagnetic starter
The device is utilized in coal mines made up of explosivegas (methane) and coal dust. It is suited for the circuit centre. To regional management or distant control the commence and cease of AC 50Hz, voltage 1140V, 660V or 380V, ungrounded 3- stage asynchronous motor, and can be reversed at the quit.
1. Quick opening structure
two. With neighborhood handle and distant control function
three. With reliable mechanical locking and electrical locking function
With the several protection features as brief circuit, overload, leakage and open-phaset
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