We’ve a hugely efficient workforce to deal with inquiries from customers. Our target is “100% client pleasure by our solution good quality, value & our group service” and love a superb track record between purchasers. With a lot of factories, we will present a wide vary of Quots for AC MCB 4pole 40 AMP Low Current 400V Circuit Breaker, We consider excellent as the foundation of our results. Thus, we focus on the manufacture of your best high quality items. A strict excellent management system has been created to make sure the standard of the items.
We’ve a hugely efficient workforce to deal with inquiries from customers. Our target is “100% client pleasure by our solution good quality, value & our group service” and love a superb track record between purchasers. With a lot of factories, we will present a wide vary of China AC MCB and Electric Circuit Breaker, We are committed to meet all your needs and solve any technical problems you may encounter with your industrial components. Our exceptional goods and vast knowledge of technology makes us the preferred choice for our customers.
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
We’ve a hugely efficient workforce to deal with inquiries from customers. Our target is “100% client pleasure by our solution good quality, value & our group service” and love a superb track record between purchasers. With a lot of factories, we will present a wide vary of Quots for AC MCB 4pole 40 AMP Low Current 400V Circuit Breaker, We consider excellent as the foundation of our results. Thus, we focus on the manufacture of your best high quality items. A strict excellent management system has been created to make sure the standard of the items.
Quots for China AC MCB and Electric Circuit Breaker, We are committed to meet all your needs and solve any technical problems you may encounter with your industrial components. Our exceptional goods and vast knowledge of technology makes us the preferred choice for our customers.