600V Solar DC PV Combiner Box,2 String with Lightning Arrester Connector for On

600V Solar DC PV Combiner Box,2 String with Lightning Arrester Connector for On/Off Grid Solar Panel System,2 Input 1 Out 15A Rated Current Fuse,63A Circuit Breaker,Ip65 Waterproof,Mcb,Spd. PV combiner box function: PV combiner box tidied up connection and confluence of photovoltaic modules.It is used to reduce the connection of the photovoltaic array to the inverter and optimize the system structure.