With excellent aging resistance and UV resistance, it can be used in harsh environments. Fast & easy assembly and easy removal of connectors without the aid of an additional instrument. The waterproof ring on the connection is perfect for sealing out water and dust. It is perfect for preventing corrosion. Specially developed for connecting photovoltaic systems with high mechanical requirements. 10 x solar panel connectors, 2 x wrenches These connectors will fit any 2.5mm, 4.0mm and 6mm cable. Fully waterproof, can be used outdoors in all weather conditions . Sturdy self-locking system that is easy to lock and open. Corrosion-resistant connectors for long-term use. Product specification: Rated voltage: 1000V Rated current: 30 A (4.0 mm, 6 mm) Test voltage: 6000 V (50 Hz) Ingress Protection Rating: IP67 Flammability Rating: UL94-V0 Lead Material: Tinned Copper Operating Temperature Range: -40~+90 Safe class: 2 Suitable cable: 2.5mm / 4mm / 6mm (AWG 14/12/10) Plug contact resistance: 5 m Insertion force 50N Retraction force 50N