ZN85-40.5(3AV3) vacuum circuit breaker
General
ZN85-40.53AV3Indoor high voltage vacuum circuit breaker rated voltage 40.5KV,three-phase AC 50Hz,It is used to protect and control electrical equipment in the industrial & mineral enterprise, power plant and substation as well as to switch in frequent in the operation places. This products conforms to the national standard GB1984/JB3855 /DL402.IEC600656High-voltage alternate current circuit breaker. And the product has passed the test of high voltage electric quality monitoring center. Service Environment
Environmental temperature is from:-15~40°C; Environmental humidity: Daily average of relative humidity≤95% Daily average saturated vapor pressure≤2.2×10-3Mpa Monthly average of relative humidity≤90% Monthly average saturated vapor pressure≤1.8×10-3Mpa Keep away from such environment as subject to dust, dirt, smog, corrosive/flammable gas, vapor and salt pollution.
