OEM Indoor Substation Suppliers – ZW7-40.5/35KV SERIES OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKERS – Jonchn Detail:
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

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

Main mechanical parameters

Shape and installation dimensions


Product detail pictures:
Related Product Guide:
Using a full scientific good quality administration system, very good quality and superior faith, we win good standing and occupied this discipline for OEM Indoor Substation Suppliers – ZW7-40.5/35KV SERIES OUTDOOR HIGH-VOLTAGE VACUUM CIRCUIT BREAKERS – Jonchn , The product will supply to all over the world, such as: Lesotho, Dominica, Thailand, Our company has already had a lot of top factories and professional technology teams in China, offering the best products, techniques and services to worldwide customers. Honesty is our principle, professional operation is our work, service is our goal, and customers' satisfaction is our future!
The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly