1、VERSATILE FUNCTIONALITY: Miniature circuit breaker preserves distribution equipment from overload and short circuit damage, control and isolate, and extend the service life of solar systems. 2、FINE CRAFTSMANSHIP: Equipped with the most reliable DC components, protecting the circuit breaker to the fullest, and its transparent cover allows for easy inspection of the status of circuit breaker. 3、IP65 WATERPROOF: This isolator switch allows for both indoor and outdoor installation, built in DC switch equipment can effectively preserve against adverse weather and environmental conditions. 4、EASY INSTALLATION: The DC500V circuit breaker box is installed between the solar panel and the solar inverter, allowing for quick and safe installation. 5、WIDE APPLICATION: This miniature circuit breaker is suitable for grid connected and off grid solar panel systems, solar power generation systems, photovoltaic arrays, and RV solar systems. Item Type: DC Circuit Breaker Material: Polycarbonate, ABS Maximum Voltage: 500V Protection Grade: IP65 Cable Input Port: 4² Output Cable Sealed Sleeve: 4² DC Circuit Breaker: Rated Insulation Voltage (Ui): 500V Maximum Working Voltage (Ucpv): 500V Rated Working Voltage: 500V 1 x DC Circuit Breaker 4 x Connector (2 x Male, 2 x Female) 4 x Core 4 x Screw 4 x Anchor 1 x Wrench 1 x User Manual