ZW7-40.5 Series Outdoor Vacuum Circuit Breaker
Data： 2021-03-22 08:53:23 Hits： 539
ZW7-40.5 series outdoor vacuum circuit breaker
product description
The ZW7-40.5 outdoor high-voltage vacuum circuit breaker is used in the three-phase power system with AC 50Hz and voltage 40.5kV. It is used as the main purpose of breaking and closing load current overload, current and short circuit current.
Using vacuum arc extinguishing, strong breaking capacity and long electrical life. Can be equipped with spring or electromagnetic operating mechanism, reliable mechanical performance, can be frequently operated: no fire and explosion hazards.
Normal use conditions
●The upper limit of ambient air temperature is +40°℃, and the lower limit is 30°℃.
●Altitude: ≤2000m (if the altitude needs to be increased, the rated insulation level will be increased accordingly).
●Wind pressure does not exceed 700Pa (equivalent to wind speed 34m/s),
●Amplitude: The seismic intensity is 8 degrees.
● Pollution level: Level II.
●Maximum daily temperature difference: no more than 25℃.
Model and meaning
The main technical parameters
外形安装尺寸
