China OEM 12kv 1250A 20ka Outdoor Vacuum Circuit Breaker Switch Electrical Switch for Sale

ZW7 -40.5/35KV series outdoor high-voltage vacuum circuit breakers (hereinafter referred to as “circuit breakers”) are used in three-phase power systems with AC 50Hz and rated voltage of 40.5KV, as the split, combined load current, overload current and short-circuit current.

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Product Detail

Product Tags

Having a sound business enterprise credit score, outstanding after-sales assistance and modern producing facilities, we have now earned an exceptional name among our shoppers across the planet for China OEM 12kv 1250A 20ka Outdoor Vacuum Circuit Breaker Switch Electrical Switch for Sale, We play a leading role in supplying clients with high-quality items very good provider and competitive price ranges.
Having a sound business enterprise credit score, outstanding after-sales assistance and modern producing facilities, we have now earned an exceptional name among our shoppers across the planet for China Circuit Breaker and Breaker, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.

Structural features

1. Using vacuum arc extinguishing, strong breaking capacity, long electrical life, and mechanical life of 10,000 times;
2. Simple structure, maintenance-free, long period of no maintenance;
3. Good insulation performance and strong anti-pollution ability;
4. It can be equipped with spring or electromagnetic operating mechanism, with reliable mechanical performance and frequent operation; no fire and explosion hazards;
5. The measurement accuracy of the built-in current transformer can reach 0.2 level, or three-phase differential protection can be realized;
6. The built-in condensation controller can keep the circuit breaker running reliably under a certain temperature and humidity.

Structural features

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Structural features

◆Ambient air temperature: upper limit +409C, lower limit -30°C (general area), -40C (alpine area);
◆Altitude: ≤1000m (if the altitude increases, the rated insulation level will increase accordingly);
◆Wind pressure: no more than 700Pa (equivalent to wind speed of 34m/s);
◆Earthquake intensity: no more than 8 degrees;
◆Dirty level: IV;
◆Maximum daily temperature difference: no more than 25°C.

The main technical parameters

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Main mechanical parameters

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Shape and installation dimensions

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4Having a sound business enterprise credit score, outstanding after-sales assistance and modern producing facilities, we have now earned an exceptional name among our shoppers across the planet for China OEM 12kv 1250A 20ka Outdoor Vacuum Circuit Breaker Switch Electrical Switch for Sale, We play a leading role in supplying clients with high-quality items very good provider and competitive price ranges.
China OEM China Circuit Breaker and Breaker, Our company follows laws and international practice. We promise to be responsible for friends, customers and all partners. We would like to establish a long-term relationship and friendship with every customer from all over the world on the basis of mutual benefits. We warmly welcome all old and new customers to visit our company to negotiate business.


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