Feature 1 IP65 Waterproof: Our disconnect switches allow indoor and outdoor installation with built in DC switchgear for effective protection in harsh weather and environmental use. 2 Protection Function: The isolation switch has over voltage, overload and lightning protection functions, and can communicate over long distances to extend the working life of the solar system. 3 Exquisite Craftsmanship: Equipped with the most reliable DC components for maximum protection of our PV DC disconnect switches, the transparent cover also makes it easy to check the status of the circuit breaker. 4 Widely Used: Suitable for photovoltaic solar panel grid connected system and solar off grid system solar power generation system. For home use, RV use, etc. 5 Easy Installation: Solar PV DC sink box, installed between solar panel and solar inverter, can realize faster and safer installation, plug and play.Item Type: DC Disconnect SwitchMaterial: Polycarbonate, ABSMaximum Voltage: 1000VMaximum DC Short Circuit Current (Isc) per Input: 40AProtection Class: IP65Product Size (L x W x H): Approx. 120 x 52 x 90mm / 4.7 x 2.1 x 3.5inCable Input Port: PG20 4Output Cable Seal Sleeve: PG20 4Rated Insulation Voltage (Ui): 1000VRated Current (Le): 40AMaximum Working Voltage (Ucpv): 1000VRated Operating Voltage: 1000VSegmentation Capacity (ICU): =6KAWidely Used: Applicable to photovoltaic solar panel grid connected system and solar off grid system solar power generation system. For home, RV, etc. Package List1 x DC Disconnect Switch2 x Joint Cap2 x Joint2 x Waterproof Ring2 x Waterproof Head2 x Short Tip Screw4 x Long Tip Screw4 x Flat Screw4 x Expansion Tube1 x Waterproof Tape