We provide a series of products for solar energy systems, such as solar inverter, solar energy storage battery, DC circuit breaker, DC SPD, PV combiner box, etc. Our Service We provide customer with professional solar system solutions , and provide one-stop shopping services. One to one customer service makes customer worry free about after-sales service Product Application Our products are widely used in household power generation, commercial power generation, industrial power generation, etc Our Certificate Our products cover various of international standard with BS,EN,IEC and acquired CE,CB, TUV,SEMKO,SAA,KEMA-KEUR, UL certificates. Also acquired patent certifcates for independent intellectual property rights. Test Equipment Diagraminside DC Waterproof Isolator Switch website:http://www.onestoenergy.com/