Features Reliable Circuit Protection: Trips immediately in case of a short circuit, ing the circuit and prolonging its lifespan. Also functions as the on/off switch for DC load circuits. High Safety Standards: Functions as a manual operated micro dual power transfer switch, equipped with multi-stage circuit breaker and interlock mechanism for comprehensive leakage protection in main and auxiliary circuits. Versatile Application: Widely used in solar panel grid systems, wind and solar power systems, ship power systems, solar photovoltaic systems, and other DC systems. Enhanced Durability: Constructed from highly flame retardant and impact-resistant PVC material, with a high breaking capacity of 4500A, ensuring reliability in demanding environments. Easy Installation: Lightweight and compact design allows for quick and convenient installation, enabling completion within 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: 1 x Circuit Breaker Package List 1 x Circuit Breaker