Zn12-40.5

ZN12-40.5 is a high-performance indoor high voltage vacuum circuit breaker designed for 40.5kV medium and high voltage power systems. Complying with IEC and GB standards, it is widely used in power substations, industrial and mining enterprises and power distribution rooms for load switching and short-circuit fault protection.
Adopting advanced vacuum arc extinction technology, the breaker features strong breaking capacity and reliable insulation performance. It realizes arc-free, low-noise and pollution-free operation, supporting frequent switching operations with stable performance.
Equipped with a high-quality spring operating mechanism, ZN12-40.5 operates flexibly and stably with low mechanical wear. It can quickly and accurately cut off faulty circuits, ensuring high operational reliability and long service life.
With optimized integral structural design and high mechanical strength, the product boasts stable structure and strong environmental adaptability, adapting to various complex indoor power supply scenarios.
It features simple installation and debugging with low daily maintenance, effectively reducing long-term operation and maintenance costs for 40.5kV power distribution projects.
As key protective and control equipment for 40.5kV power systems, ZN12-40.5 vacuum circuit breaker offers stable performance and high safety. We provide global customers with factory direct supply, complete certifications and professional after-sales service.