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:
Our company sticks into the basic principle of "Quality is definitely the life of the business, and status may be the soul of it" 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: London, Senegal, belarus, We are confident that we are able to provide you with opportunities and will be a valuable business partner of you. We look forward to working with you soon. Learn more about the types of products that we work with or contact us now directly with your inquiries. You are welcome to contact us anytime!
By Anna from Rio de Janeiro - 2017.12.19 11:10
Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
By Salome from Rwanda - 2018.06.21 17:11