Nixesky solar Connectors Male/Female, IP67 1000V Waterproof Solar Panel Cable Connectors (50 Pairs Solar connectors with 2 Pack Spanner) Material: PPO + Copper Rated current: 30A (2.5/4/6mm²) Adapter Wire: OD 5mm-7mm Rated voltage: 1000V DC Connector contact resistance:≤0.5mΩ Degree of waterproof: IP67 Flammability rating: UL94-V0 Insertion force: less or equal to 50N Withdrawal force: over or equal to 50N Operating temperature range: -40℉~ +221℉ Package Included: 50 Pairs x Solar Connectors (Male & Female) 50 pairs x Solar Connector Pins 2 Pieces x Spanner