Features IP65 Waterproof: The isolation switch allows indoor and outdoor installation, with built in DC switchgear that can effectively protecting against harsh weather and environmental conditions. Various Protection: Protection includes overvoltage, overload, and lightning protection functions, enabling remote communication and extending the working life of solar systems. Good Craftsmanship: Equipped with the most reliable DC components, it maximizes the protection of our photovoltaic DC isolation switch, and the transparent cover also facilitates checking the status of the circuit breaker. Easy Installation: 500V solar photovoltaic DC combiner box, installed between solar panels and solar inverters, can achieve faster and safer installation. Wide Application: Suitable for photovoltaic solar panel grid connected systems and solar off grid systems, solar power generation systems. Household, RV, etc. Specification: Item Type: Circuit Breaker Model: HA 4WAY Material: PC Maximum Voltage: DC 500V Protection Level: IP65 Waterproof Joint Specification: M18 Rated Insulation Voltage Ui: DC 500V Maximum Working Voltage Ucpv: DC 500V Rated Working Voltage: DC 500V Package List:1 x Circuit Breaker 5 x Waterproof Connector3 x Waterproof Plug8 x Washer4 x Installation Screw4 x Wall Plug5 x Joint Terminal1 x Tape Package List 1 x Circuit Breaker 5 x Waterproof Connector 3 x Waterproof Plug 8 x Washer 4 x Installation Screw 4 x Wall Plug 5 x Joint Terminal 1 x Tape