Circuit breaker

Using vacuum arc extinguishing chamber, air insulation, with electric spring operation mechanism, make the product to have a strong arc extinguishing ability, high short circuit breaking times, no fire and explosion risk, easy operation, is a good performance, strong practicability of products. The overall structure of this product adopts three-phase common box type, casing inlet and exit line, the box body is dry air, and the electric spring operating mechanism is arranged on the side of the box, which can be used reliably under harsh environmental conditions. The vacuum arc extinguishing chamber adopts ceramic shell, cup longitudinal magnetic field contact structure, copper chromium contact material, with excellent open and close short circuit current capacity. The product is small in size, light in weight, and beautiful in appearance. The vacuum arc extinguishing chamber and insulation support sleeve are compact in design, and the outlet conductive rod is injected with silicone rubber, which can adapt to the harsh weather conditions and dirty environment.