Features For 48V DC System: This switch is used in 48V DC systems for isolating and securing electrical systems, realizes safe switching between battery, load and charging source. Good Protection and Conductivity: The switch is made of ABS plastic shell and copper for maximum conductivity, effectively prevent from dirt, corrosion and rain. Safe and Reliable: The switch meets safety requirements, the one piece binding post design will not loosen over time, external ignition protection can be safely installed on gasoline powered boats. With On Off Position: The switch comes with on and off position, on is the power to close the circuit, and off is to cut the circuit without power. Wide Usage: Suitable for RV, travel trailer, marine, boat, hull, campers, solar panel, and emergency power battery pack, etc., remove any power drain from the battery and safely disconnects the battery when not in use. Specification: Item Type: Battery Disconnect Switch Material: ABS, copper Working Current: 0-600A Yield Current: 2500A Scope of Application: Large battery switches for large trucks and engineering vehicles, yacht switches Package List:1 x Battery Disconnect Switch 4 x Bolt4 x Nut Note:Please allow slight size error due to manual measurement. Thanks for your understanding. Package List 1 x Battery Disconnect Switch 4 x Bolt 4 x Nut