Mining Explosion-proof Permanent Magnetic High-voltage Vacuum Power Distribution Device is for coal mine use.

Mining Explosion-proof Permanent Magnetic High-voltage Vacuum Power Distribution Device

Use

The device is used in coal mines containing exploisive gas(methane) and coal dust. in the three-phase isolated neutral power supply system with rated voltage 10KV or 6KV, frequency 50Hz rated current 50A-400A, The device can be used as the frequent start-up high-voltage motors and the electrical equipments' switchrs of control, protection and measurement.

Main technical parameters

1. Rated Voltage: 10(6)KV

2. Rated current:50, 100,150,200,300,400(A)

3. Rated frequency: 50Hz

4. Rated short-circuit breaking current (peak): 12.5KA 

5. Allowed operating frequency: 300 times/hr

Mining Explosion-proof Permanent Magnetic High-voltage Vacuum Power Distribution Device