Description

Product Detail

ZN85-40.5 series vacuum circuit breaker is a new type of three-phase50Hz according to the unique design concept and combined with the market demand and development, the rated voltage of indoor switchgear40.5kV, it can be provided to industrial and mining enterprises, powerplant and substation as the control and protection of electrical equipment,and is suitable for frequent operation.

Applying Ambient Conditions:
1. Ambient temperature: -25℃一+40℃
2. Relative humidity: the average humidity of a day should be no mare than 95％; the average humidity of a month should be no more than 90 ％.
3. Saturated vapor pressure: the average pressure of a day should be no more than 2. 2kPa, the average humidity of a month should be no more than 1.8kPa.
4. Earthquake intensity: not exceed 8 degrees.
5. Height above sea level: ≤1000m(not including special requirements)
6. Environmental conditions: It should be used in the places without fire, explosion, serious filth, chemical erosion and violent  ration.

Technical Parameters