Mining explosion-proof vacuum starter for coal mine
Main application
The device is used in coal mines containing explosivegas (methane) and coal dust. It is suitable for the circuit center. To local control or remote control the start and stop of AC 50Hz, voltage 1140V, 660V or 380V, ungrounded three- phase asynchronous motor, and can be reversed at the stop.
Technical characteristics
1. Quick opening structure
2. With local control and remote control function
3. With reliable mechanical locking and electrical locking function
Protection function
With the multiple protection functions as short circuit, overload, leakage and open-phase
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