ZN85-40.5G(3AV3) indoor AC HV Vacuum Circuit Breaker

ZN85-40.5G(3AV3) indoor AC HV Vacuum Circuit Breaker

Application

ZN85-40.5G(3AV3) indoor AC HV Vacuum Circuit Breaker for three- phase AC 50Hz, 40.5kV power system, for industrial and mining enterprises, power plants and substations as the division and load current, overload current fault current purposes, and occasions for frequent operation.

The circuit breaker arrangement with upper and lower structure, effectively reduce the depth of circuit breakers. And the use of composite structure , three-phase interrupter and associated charged body by the three independent separation of epoxy resin insulation casing, using a composite structure, the circuit breaker to meet the air under normal operating conditions from the required distance and climb and effectively reduce the size of circuit breakers, electrical circuit interrupter, a leading and dynamic and static conductive connection installed in the insulating tube, so that the distance only 300mm. All main circuit electrical connection fixed to connect with high reliability.

Working Environment

Ambient temperature: not higher than +40 °C, not less than -15°C；   

Altitude: not exceed 2000m.；

Relative humidity: daily average of not more than 95%, month average of not more than 90%.；

Earthquake intensity: not more than ten.；

No fire, explosion hazard, serious filthy, chemical corrosion, as well as places of intense vibration.

Main Technical Data