Features 500V Solar Photovoltaic DC Combiner Box: Facilitates safe and efficient connection between solar panels and the inverter, ensuring smooth power conversion for your solar system. Plug and Play Compatibility: Designed to support cables with a diameter of 4-6mm, 13-10 AWG cables, and 4-6mm² cables, allowing for easy and hassle-free installation. Comprehensive Protection Features: Offers overvoltage, overload, and thunder protection to safeguard your solar system, promoting long-term reliability and performance. Reliable DC Components: Equipped with high-quality components for maximum protection, including a transparent cover for easy monitoring of the circuit breaker status. IP65 Waterproof Distribution Box: Features a waterproof grade of IP65, suitable for both indoor and outdoor installation, providing effective protection in various environmental conditions. Specification: Item Type: DC Disconnect Switch Material: Polycarbonate, ABS Input: 1 String Output: 1 String Maximum Voltage: 500V Protection Level: IP65 Cable Input Port: 4mm² Output Cable Gland: 4mm² DC Circuit Breaker: Rated Insulation Voltage (Ui): 500V Maximum Working Voltage (Ucpv): 500V Rated Working Voltage: 500V Package List: 1 x DC Disconnect Switch 2 x Waterproof Joints 4 x Connectors (2 x Male, 2 x Female) 4 x Connectors with Cable (2 x Male, 2 x Female) 4 x Cores 4 x Screws 4 x Expansion Tubes 1 x Electrical Tape 1 x PV Special Wrench 1 x User Manual Package List 1 x DC Disconnect Switch 2 x Waterproof Joints 4 x Connectors (2 x Male, 2 x Female) 4 x Connectors with Cable (2 x Male, 2 x Female) 4 x Cores 4 x Screws 4 x Expansion Tubes 1 x Electrical Tape 1 x PV Special Wrench 1 x User Manual