1、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 2、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 3、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 4、IP65 WATERPROOF: Isolation switch allow indoor and outdoor installation, built in DC switchgear, can effectively protect in bad weather and environment 5、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.