MC4 connector 1,TUV approved 2,contact ... keyed housings·Mutiple plugging and unplugging cycles·Accomodates PV cable with deferent insulation diamaters·High current ... 5(2.5-6.0mm²)Contact resistance of plug connector1.0mΩInsertion force/withdrawal force:≤50N/≥50NContact ... and sale system , PV junction products are PV (solar)cable , PV(solar)connector , PV junction box , PV module , intelligent grid and ...