MC4 solar connector 1,TUV approved 2,High current carryiing capacity 3,Life ... .5-8.5(2.5-6.0mm²)Contact resistance of plug connector 1.0mΩInsertion force/withdrawal force: ≤50N/≥50NContact material Copper ... system , PV junction products are PV (solar)cable , PV(solar)connector , PV junction box , PV module , intelligent grid and peripheral equipment ...