1.Solar Connector Conductor pin is tinned Copper: made of PPO + PA material, It makes a rock solid connection after you crimp the pin to the wire, and these are operated perfectly under heavy load. WATERPROOF RING on connection is perfect to seal out water and dust to prevent corrosion, PPO INSULATION MATERIAL with excellent aging resistance and UV endurance, can resist severe weather such as heavy rain,snowstorm or heat for a long time. 2.Solar Connectors Rated voltage - TUV 1000V DC; Rated Current:30A; These solar connectors Hard plastic IP67 Waterproof and resist dust build up. 3.These solar connectors are designed to complete a solar panel (PV) array, typically in parallel applications 4.Fastness of male and female points with stable self-locking system which is easy to lock and open. anti-aging and resistance to ultraviolet radiation. 5.solar connectors compatible with PV cables with different insulation diameters, Suitable for: (2.5m㎡--6m㎡/14AWG - 10AWG).