Features Dual Power Transfer: Easily switch to standby power or generator when the main power supply fails, ensuring continuous power supply and uninterrupted operation. Enhanced Safety: Features multiple-stage circuit breaker and interlock mechanism for comprehensive leakage protection in both main and auxiliary circuits, prioritizing safety in power transfer operations. High Reliability: Boasts high breaking capacity and impact-resistant, flame retardant materials for stable and reliable performance, making it ideal for applications. Rail Installation: Designed for rail installation, offering a compact structure for convenient installation and easy operation, saving time and effort. Versatile Application: Suitable for various environments such as fire protection, hospitals, skyscrapers, military industry, construction market, banks, and networks, ensuring reliable power transfer in diverse settings. Specification: Item Type: Interlock Circuit Breaker Material: PVC Rated Voltage: AC450V Frequency: 50Hz Stage: 2P+2P Breaking Capacity: 10KA Electrical Life: No less than 10000 times Mechanical Life: No less than 20000 times Warm Test: Class 2 (relative humidity 95% at 55℃) Package List: 1 x Interlock Circuit Breaker Package List 1 x Interlock Circuit Breaker