General description AlwaysH 6 Pairs MC4 Male/Female Double Rings Waterproof Joint Solar Panel Cable Connectors are designed for easy and quick installation. These connectors are waterproof and dustproof, making them suitable for outdoor use in all weather conditions. The self-locking mechanism ensures a secure connection, specifically designed to meet the high mechanical and environmental requirements of solar photovoltaic systems, even in extreme weather conditions. Technical specifications Rated Voltage: 1000 V DC Rated Current: 25 A (2.5-4.0 mm²) Degree of Protection: IP67 Flammability Rating: UL94-V0 Voltage Trial: 6000 V (50 Hz, 1 min) Safety Class: Class 2 Overvoltage Category/Pollution Index: CAT III/2 Cable Adapter: OD 4.5-7.0 (2.5-4.0 mm²) Force Insert: ≤ 50 N Remove Force: ≥ 50 N Conductor Material: Copper, Tin Insulator Material: PPO or PBT Operating Temperature Range: -40 to +90°C Fits Cable Sizes: 2.5 mm² / 4 mm² / 6 mm² (AWG 14/12/10) Package Content 6 x Male Solar Panel