Solar Connectors, Solar Panel Cable Connectors 10 Pair MC4 Male/Female Connector Double Seal Rings for Better Waterproof Effect Solar Connector Conductor pin is tinned Copper: It makes a rock solid connection after you crimp the pin to the wire, and these are operated perfectly under heavy load Mc4 connector Rated voltage: TUV 100V DC / UL 600V DC;Rated Current:20A-30A; Hard plastic IP65 Waterproof Solar Panel MC4 Male/Female Connectors Compatible with PV cables with different insulation diameters (2.5m--6m/14AWG - 10AWG) No Instructions In Package. Quick & simple assembly processing and simple removal of plugs. Fastness of male and female points with stable self-locking system which is easy to lock and open. Rated Voltage: TUV 1000V DC / UL 600V DC Rating Current 20A~25A Suitable cable cross sections 2.5mm2~6.0mm2 / 14AWG~10AWG Pin dimension: 4.0mm Proof voltage: DC 8KV(1Min) Pollution: degree 2 Protection class: Class II Contact Material: Copper, tin-plated Contact Resistance: 5mW Connector Material: PPO Degree of Protection IP: IP67(IEC 60529) Withdrawal Force&lt; 50N Insertion Force&gt;50N Temperature Range: -40~+85 Flame Class: UL94-V0 10 pairs of MC4 Male/Female Solar Panel Cable Connectors