... used in inverter's inputs and combiner boxes etc.; 2. mc4 compatible, IP67 Product name: 4.0 solar panel connector ... : Easy and reliable connection of the solar cables to the photovoltaic system (solar panels,solar inverters)Main specifics: Insulation materialPPOContact materialCopper, ... to doing business with you.More photos: mc4 solar inverter input connector, solar plug and socket, TUV approval