Description: This connector is specially designed for connecting solar PV systems with high mechanical requirements and extreme weather conditions. Features: Parallel Connection MC4 Y Branch, 1 2 Male Loss MC4 1 male and 2 male cable connectors are made of the highest quality materials to ensure long-term reliability and performance, ideal for sealing against water and dust corrosion. It can withstand rain, strong wind and snow. Quick and easy assembly and disassembly process. Simple connector without additional tools. Features: Model: SA3 / SA5 (optional) Material: PPO + Tinned Copper Cable Length: 320mm Rated Voltage: DC1000V Rated Current: 20A (4mm?), 30A (6mm?) Contact Resistance: ? 2m? Insulation Resistance: ? 500m? Suitable for single core cable cross-sections: 2.5mm?, 4mm?, 6mm? Cable outer diameter: ?5mm ~ 7mm Working temperature: - 40°C ~ +105 Ignition degree: UL94V-0 Waterproof: IP67 Package size: 36*23*5cm/14.2*9.1*2in Package weight: 357g/12.6oz Package List: 1 Pair MC4 Y