Product Introduction Of KBZ Coal Mine Explosion-proof Vacuum Switch

KBZ Coal Mine Explosion-proof Vacuum Switch is used in coal mines for three-phase isolated neutral power supply system with AC 50Hz, rated voltage 1140V(660V) and rated current to 250A, 350A, It can be used as master switch or sub-switch of power distribution system or used to control infrequency high-capacity motor.

The protection system, adopting advanced DSP microprocessors and high-capacity new chip for two-chip working, equipped with high-precision data processing and advanced protesting algorithms has high precision of protection and fast response.

It can complete a number of protection functions such as overload, short circuit (including phase-sensitive protection and current amplitude protection), leakage atresia, leakage protection, selective leakage protection, under voltage, three-phase imbalance, phase breaking, temperature protection, gas protection, wind power atresia, power measurement etc. Besides, it is possible to customize to the live side-load instructions, communication network, power-off atresia etc.

1. Liquid crystal display

2. Communications network functions

3. three-tier selective leakage protection

4. Electrical degrees measurement

5. Fault memory and query

6. Wind power and gas power atresia protection

7. Functions opening and closing

8. Parameters fine- turning and correction

9. Testing functions for site analog

10. Clock display

11. Current, voltage, fault parameters, real-time display

12. Leakage atresia

13. Long-range short-circuit protection

14. Overload and short-circuit protection

Main Parameter Of KBZ Coal Mine Explosion-proof Vacuum Switch

Figure Photos Of KBZ Coal Mine Explosion-proof Vacuum Switch