Features Quick & simple assembly processing and simple removal of plugs Compatible with different insulation diameters Double seal ring, better waterproof Connection by the crimping tool Insulation Material: Made of PPO + PA material. Specifications Maximum working voltage: DC 1000V Rated Current: 30A Suitable for: 2.5mm²( AWG14 ), 4mm²( AWG12 ), 6mm²( AWG10 ) Contact resistance: ≤1mmΩ Pollution degree: 2 Temperature Range: -40 ℃ ~ +125 ℃ Flame class: UL94-V0 Waterproof Class: IP67 Insertion force: ≤50N Withdrawal force: ≥50N Required Tools Wire stripping pliers Line pressing pliers Special wrench Package Include 10 * Male Solar Connectors 10 * Female Solar Connectors #MC4 #wireconnector #Solar connector