These Y-branch MC4-compatible connectors are engineered to link solar panels between themselves and to extensions, offering a perfect solution for connecting multiple panels in parallel within a solar array, commonly used in parallel applications. Features: Y-branch MC4 cable connectors for solar panels, suitable for PV systems. O-ring design ensures perfect sealing against water and dust, preventing corrosion. Compatible with PV cables of various insulation diameters. Boasts excellent aging resistance and UV resistance, making it suitable for harsh environments. High and low temperature resistance, plus flame retardant properties. High current and high voltage load capacity. Quick and easy assembly, with simple plug removal without the need for additional tools. An excellent solution for connecting multiple panels in parallel within a solar array.