Features Dual Power Transfer Capability: Seamlessly switch between common and standby power supplies or generator, ensuring uninterrupted power supply during outages. Enhanced Safety Features: Multiple stage circuit breaker and interlock mechanism provide leakage protection for main and auxiliary circuits, ensuring high safety standards. High Breaking Capacity: With robust impact-resistant and flame-retardant materials, this circuit breaker offers stable and reliable performance, ideal for critical applications. Easy Rail Installation: Standard rail installation and compact structure make for convenient and hassle-free installation, offering ease of operation. Versatile Applications: Suitable for critical environments like fire protection, hospitals, skyscrapers, military, construction, banks, and networks where uninterrupted power supply is essential. 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