Features Multi-Level Interlock Circuit Breaker: Ensures main and auxiliary circuits have leakage protection simultaneously, enhancing safety and reliability. Advanced Structure and High Breaking Capacity: Compact design with reliable performance and high breaking capacity, ensuring efficient power protection. Manual Power Transfer Operation: Enables seamless transfer to backup power or generator during power failures, ensuring continuous power supply. Versatile Application: Suitable for solar panel grid systems, wind and solar hybrid systems, and other DC systems, offering wide compatibility. DIN Guide Rail Installation: Mounts on standard rail for easy and time-saving installation, providing convenience and efficiency. Specification: Item Type: Dual Power Circuit Breaker Material: PVC Rated Voltage: AC400V Frequency: 50Hz Number of Levels: 3P+3P Segmentation Capacity: 6000A (16A,32A), 4500A(63A) Electrical Life: Not less than 10,000 times Mechanical Life: Not less than 20,000 times Temperature and Heat Test: Class 2 (temperature at 55℃, relative humidity 95%) Package List: 1 x Dual Power Circuit Breaker Package List 1 x Dual Power Circuit Breaker