China Wholesale Outdoor 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:
We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for China Wholesale Outdoor 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: Gabon, Salt Lake City, Burundi, Adhering to the principle of "Enterprising and Truth-Seeking, Preciseness and Unity", with technology as the core, our company continues to innovate, dedicated to providing you with the highest cost-effective products and meticulous after-sales service. We firmly believe that: we are outstanding as we are specialized.
By Renata from Kazakhstan - 2018.11.11 19:52
This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
By Christopher Mabey from Colombia - 2017.12.19 11:10