The choice between 3P and 4P. The choice between three wire and four wire. If a three-phase motor needs to be converted to 220V lighting power, it is recommended to use 4P. A live wire and a neutral wire can be used to convert it to 220V voltage

High quality materials are used, including high-quality, high-strength, and flame-retardant materials that are fire-resistant and heat-resistant

All copper contact points are made of nickel plated all copper, which has excellent conductivity and durability

The operating handle of the circuit breaker adopts a D-shaped widened handle. ON is the normal working and powered on state, and OFF is the disconnected state