ZW20

ZW20 is a widely used outdoor high voltage vacuum circuit breaker designed for 12kV medium voltage power distribution systems. Complying with IEC and GB standards, it is commonly installed in outdoor substations, overhead distribution lines and rural power grid projects for load switching and safety protection.
Adopting mature vacuum arc extinction technology, the breaker features strong breaking capacity and stable insulation performance. It achieves arc-free, low-noise and pollution-free operation, supporting frequent switching and long-term stable full-load operation.
Equipped with a reliable spring operating mechanism, ZW20 delivers flexible and stable switching action with low mechanical loss. It can rapidly cut off short-circuit faults, ensuring high operational stability and long service life.
The fully sealed and anti-corrosion structural design provides outstanding waterproof, dustproof and anti-aging capabilities. It adapts to humid, polluted, high-altitude and other harsh outdoor working environments.
Featuring compact structure and easy field installation, the equipment requires minimal daily maintenance, effectively reducing long-term operation and maintenance costs for power distribution projects.
As essential protection equipment for 12kV outdoor power grids, ZW20 vacuum circuit breaker boasts high safety and stable performance. We provide global clients with factory direct supply, complete certifications and professional after-sales service.