Features Reliable Circuit Protection: Trips immediately in case of a short circuit, extending the service life and ensuring reliable circuit protection. Also functions as an on-off switch for DC load circuits. High Safety Standards: Functions as a manual-operated micro dual power transfer switch with a multi-stage circuit breaker and interlock mechanism, providing leakage protection for both main and auxiliary circuits. Versatile Applications: Widely used in solar panel grid systems, wind and solar hybrid power systems, DC power systems, ship power systems, solar photovoltaic systems, and other DC systems. Superior Durability: Constructed from highly flame-retardant and impact-resistant PVC material with a high breaking capacity of 4500A, ensuring durability and safety. Easy Installation: Lightweight, compact design enables quick and convenient installation in just a few minutes. Specification: Item Type: Circuit Breaker Material: PVC Rated Voltage: AC400V Frequency: 50Hz Stage: 2P+2P Sectioning Capacity: 4500A Electrical Life: No less than 10,000 times Mechanical Life: No less than 20,000 times Warm test: Class 2, relative humidity 95% at 55 ℃. Package List: Item Type: Circuit Breaker Material: PVC Rated Voltage: AC400V Frequency: 50Hz Stage: 2P+2P Sectioning Capacity: 4500A Electrical Life: No less than 10,000 times Mechanical Life: No less than 20,000 times Warm test: Class 2, relative humidity 95% at 55 ℃. Package List 1 x Circuit Breaker