ZW8-12 Type Outdoor High Voltage Vacuum Circuit Breaker
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ZW8-12 Type Outdoor High Voltage Vacuum Circuit Breaker is mainly used for AC 50Hz, voltage 10~12KV three phase power system, used for breaking and closing the load current. It has overload and short circuit protection function. It can equipped with surge current time delay protector and the lightning arrester or isolating switch namely breaker and isolating switch combination etc. according to user needs.
The use of environmental conditions
1.Ambient temperature: upper limit +40℃, lower limit -30℃;
2.Altitude ≤ 2000 meters
3.Pressure: not more than 700Pa (corresponding to the wind speed 34m/s);
4.Earthquake intensity: do not exceed 8 degree;
5.Pollution grade: III class;
6.Maximum daily temperature variety less than 25℃.
Models and implications of product
