Description: Great for your boat, caravan, 4x4, showcar, trailer, winch power cable, and more Heavy Duty - Rated at 300 Amps momentary, 175 Amps continuous @ 12V Battery 1, Battery 2, Both, or Off positions Can be used with 6V up to 32V systems to isolate and secure the electrical system Disconnects the battery/batteries safely, to eliminate any power draw from the battery when vehicle or boat are not in use Isolates 1 battery or 2 batteries, or links up both batteries in parallel Rotary dial has a spring-loaded keeper to lock the selected position UV stabilised black bakelite vapour-proof housing - Built to last in marine conditions Specification: Voltage: 6V to 32V Rated at 300 Amps momentary @ 12V, 175 Amps continuous @ 12V Base: 137 mm x 137 mm/5.4 x 5.4 inch Height: 73 mm/2.9 inch Terminal studs: 10mm diameter Package Includes: 1 Piece Battery Isolator Switch