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
