Product Description:
ZN85-40.5 indoor AC high-voltage vacuum circuit breaker is suitable for AC 50Hz 40.5 power systems. It can be used as protection and control equipment in industrial and mining enterprises, power plants and substations, and is suitable for frequent operations.
Item Meaning:

Application Condition:
- Ambient Air Temperature: -25℃~+40℃
- Relative Humidity: daily average≤95%;monthly average≤90%
- Altitude: ≤2000m (If the altitude increases, the rated insulation level increases accordingly)
- Earthquake Intensity: ≤8 degree
- Installation Environment: no flammable and explosion hazard, no chemicals, no strenuous vibration
- Notice: please contact us if the application environment is beyond above range.
Technical Parameters:
