ZN27-12 High voltage vacuum circuit breakerDetailed product description：

The ZN27-12 high-voltage vacuum circuit breaker is a three pole indoor high-voltage vacuum circuit breaker that uses electromagnetic or spring operation. It is suitable for indoor distribution systems with three-phase AC 50Hz and rated voltage of 12kV. It can be used for protection and control in industrial and mining enterprises, power plants, substations, etc. It is especially suitable for frequent operation places such as capacitor banks, medium voltage motors, and arc furnace transformers.

Meaning of ZN27-12 High Voltage Vacuum Circuit Breaker Model



Main features of ZN27-12 high-voltage vacuum circuit breaker
Non combustible, non explosive, non polluting to the environment, with a lifespan of 10000 cycles;
Has a good sliding guide device, stable mechanical characteristics, and no bouncing when closing;
Insulation level under all working conditions, safe to use;
Can be equipped with electromagnetic or spring mechanisms, with both integral and split types, to meet the usage requirements of different cabinet types;
The vacuum arc extinguishing chamber adopts a longitudinal magnetic field contact structure, which has good resistance to welding, low contact resistance, high withstand voltage after arc, and reliable use