ZW7-40.5 Outdoor High Voltage Vacuum Circuit Breaker
Short Description:
The ZW7-40.5 series outdoor high-voltage vacuum circuit breaker (hereinafter referred to as "circuit breaker") is used in three-phase power systems with an AC frequency of 50Hz and a rated voltage of 40.5kV. It is employed for switching load current, overload current, and short-circuit current.
Product details
Product Overview
The ZW7-40.5 series outdoor high-voltage vacuum circuit breaker (hereinafter referred to as "circuit breaker") is used in three-phase power systems with an AC frequency of 50Hz and a rated voltage of 40.5kV. It is employed for switching load current, overload current, and short-circuit current.
Normal Operating Conditions
1. Ambient air temperature: maximum 40℃, minimum -30℃ (general area), -40℃ (cold region);
2. Altitude: ≤ 1000m (if altitude is higher, the rated insulation level should be increased accordingly);
3. Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);
4. Seismic intensity: not exceeding 8 degrees;
5. Pollution level: Class IV;
6. Daily temperature difference: not exceeding 25℃.
