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MC4 Y4 Solar Connector is a high-quality 4-in-1 branch connector designed for parallel connection of solar panels. It allows you to connect four solar panels together easily — combining 4 male to 1 female and 4 female to 1 male connectors. Made with durable PPO material and tinned copper contacts, it ensures excellent electrical conductivity, low resistance, and long-term outdoor performance.Ideal for residential, commercial, and industrial solar installations, this connector provides a secure, waterproof, and UV-resistant connection to withstand harsh weather conditions.✅ Suitable for 1000V DC solar systems✅ Plug & play snap-lock design✅ IP67 waterproof and dustproof rating✅ Compatible with 2.5mm² to 6mm² solar cables✅ Durable, weatherproof, and flame-retardant