ZW8-12/630-20 High Voltage Vacuum Circuit Breaker

Using a vacuum arc extinguishing chamber, air insulation, and an electric spring operating mechanism, the product has strong arc extinguishing ability, high short-circuit breaking times, no fire and explosion hazard, and is easy to operate. It is a product with excellent performance and strong practicability. The overall structure of this product adopts a three-phase common box type, with casings in and out, dry air inside the box, and an electric spring operating mechanism arranged on the side of the box, which can be used reliably under harsh environmental conditions. The vacuum arc extinguishing chamber of this product adopts a ceramic shell, a cup-shaped longitudinal magnetic field contact structure, and copper-chromium contact materials. It has excellent breaking and closing short-circuit current capabilities. The product is small in size, light in weight, and beautiful in appearance. The vacuum arc extinguishing chamber and insulating support bushing are compact in design, and the outlet conductive rod is injected with silicone rubber, which can adapt to harsh climate conditions and dirty environments.