Features SIMPLE INSTALLATION: DC500V solar PV DC bus circuit breaker, non polar, installed between the solar panel and the solar inverter for faster and safer installation PROTECTION FUNCTION: DC miniature circuit breaker box protection include overvoltage, overload, lightning protection function, support long distance communication, extend the working life of solar system EXCELLENT PROCESS: The circuit breaker is equipped with the most reliable DC components to maximize the protection of the photovoltaic DC isolation switch, and the transparent cover is also easy to check the status IP65 WATERPROOF: Isolation switch allow indoor and outdoor installation, built in DC switchgear, can effectively protect in bad weather and environment WIDELY USED: DC breaker box can be used for photovoltaic solar panel grid connected system, solar off grid system, solar power generation system. Home, RV, etc. Specification: Item Type: DC Miniature Circuit Breaker Box Model: HA 4WAY Material: PC flame retardant Maximum Voltage: DC500V Protection Class: IP65 Waterproof Connector Specification: M 18 Rated Insulation Voltage (Ui): DC500V Maximum Operating Voltage (Ucpv): DC500V Rated Operating Voltage: DC500V Package List: 1 x Solar Isolation Switch 4 x Mounting Screw 4 x Wall Plug 10 x Terminal 1 x Electrical Tape Package List 1 x Solar Isolation Switch 4 x Mounting Screw 4 x Wall Plug 10 x Terminal 1 x Electrical Tape