Feature 1Easy Installation: 500V solar photovoltaic DC combiner box, installed between solar panels and solar inverters, can achieve faster and safer installation. 2Various Protection: Protection includes overvoltage, overload, and lightning protection functions, enabling remote communication and extending the working life of solar systems. 3Good Craftsmanship: Equipped with the most reliable DC components, it maximizes the protection of our photovoltaic DC isolation switch, and the transparent cover also facilitates checking the status of the circuit breaker. 4IP65 Waterproof: The isolation switch allows indoor and outdoor installation, with built in DC switchgear that can effectively protecting against harsh weather and environmental conditions. 5Wide Application: Suitable for photovoltaic solar panel grid connected systems and solar off grid systems, solar power generation systems. Household, RV, etc.Item Type: Circuit BreakerModel: HA 4WAYMaterial: PCMaximum Voltage: DC 500VProtection Level: IP65Waterproof Joint Specification: M18Rated Insulation Voltage Ui: DC 500VMaximum Working Voltage Ucpv: DC 500VRated Working Voltage: DC 500V .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Circuit Breaker5 x Waterproof Connector3 x Waterproof Plug8 x Washer4 x Installation Screw4 x Wall Plug5 x Joint Terminal1 x Tape