Feature: 1. EASY INSTALLATION: 500V solar photovoltaic DC load switch combiner box, installed between solar panels and solar inverters, can achieve faster and safer installation, plug and play. 2. PROTECTION FUNCTION: Protection includes overvoltage, overload, and lightning protection functions, enabling remote communication and extending the working life of solar systems 3. FINE WORKMANSHIP: Equipped with the most reliable DC components, the disconnect switch maximizes the protection of our photovoltaic DC load switch, and the transparent cover also facilitates checking the status of the circuit breaker. 4. IP65 WATERPROOF: Our load switch allows indoor and outdoor installation, with built in DC switchgear that can effectively defend against harsh weather and environmental conditions. 5. WIDELY USED: Suitable for photovoltaic solar panel grid connected systems and solar off grid systems, solar power generation systems. Household, RV, etc. Specification: Item Type: Photovoltaic Electrical Isolator Switch Material: Polycarbonate, ABS Input: 1 string Output: 1 string Maximum Voltage: 500V Protection Level: IP65 Cable Input Port: PG20 4² Output Cable Gland: PG20 4² DC Circuit Breaker Rated Insulation Voltage (Ui): 500V Maximum Working Voltage (Ucpv): 500V Rated Working Voltage: 500V. Package List: 1 x Photovoltaic Electrical Isolator Switch4 x Connector (2 x Male, 2 x Female)4 x Connector with Wire (2 x Male, 2 x Female)2 x Waterproof Joint 2 x Washer4 x Core 4 x Screw 4 x Expansion Tube 1 x Photovoltaic Special Wrench 4 x Plug 1 x Adhesive Tape 1 x Manual