40.5kV Permanent Magnet Circuit Breaker

This product features a high-performance permanent magnet mechanism and a premium long-life arc chamber, delivering an exceptional lifespan of up to 60,000 operations. Designed for high reliability, extended service life, and maintenance-free operation, it is ideally suited for high-frequency switching applications, such as steelmaking and smelting. It has been widely deployed in refining furnaces and electric arc furnace projects at leading steel plants, including Rizhao Steel, Wuhan Iron and Steel, and Panzhihua Iron and Steel.