vacuum circuit breaker / short-circuit / three-phase / AC

Parameters:
Type: Vacuum Normal service condition: Indoor
Voltage level: HV Current: AC
Rated frequency: 50Hz Rated voltage: 40.5kV
Number of phases: Three-phase
Applicable standard: GB1984, JB3855, and IEC56

Descriptions:
VT12?ZN85?-40.5 Series indoor AC HV vacuum breaker is suitable for protecting and controlling electric appliances for industrial and mining enterprise, power plant and substation in places with different load and frequency operation.

Features:
-Adopt the most advanced and effetive arc extinguishing principle, has strong breaking capability and long service life.
-The electric circuit and operating mechanism for the upper and lower layout, the integration and modular design make the structure more compact.
-Reliable interlock function will prevent various kinds of misoperation effectively.
-With composite insulation, is not affected by the external environment, and insulation level is high