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 100A-630A, The device can be used as the acceptance and distribution of electrical energy, and  electrical equioments switches of start-up, control and protection.

Main technical parameters

1. Rated Voltage: 10(6)V

2. Rated current: 100,150,200,300,400,500,630(A)

3. Rated frequency: 50Hz

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

5. Rated short-ciecuit closing current: 31.5KA

6. Rated tolerance peak current: 31.5KA

7. Rated short-term tolerance current(RMS): 12.5KA

8. Rated short-term duration: 2s

9. Rated short-circuit breaking number: 16 times

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