elmex PV Solar Panel connectors EMPVPCM4N and EMPVPCF4N are applicable for panel mounting connection. They are constructed using flame retardant engineering thermoplastic suitable for exposure to UV rays and for application in PV power generation system. elmex panel connectors are designed for use in connection for photovoltaic devices like DC Distribution Block , Inverters , String Combiner Box , etc. These connectors are provided with hexagonal nut for fixing and tightening it on a mounting surface. A silicon rubber o- ring is provided between panel connector surface and the wall of the photovoltaic enclosure ensuring protection against ingress of water & dust. elmex panel connectors have mating compatibility not only with elmex straight connectors but also with straight connectors of leading international makes having similar construction.