3 4 Position 32V 300 Amp M Series Waterproof Ignition Protected Marine Boat Double Inch Battery Isolator Mini Transducer Switch, Switches Specifications: Switch Type: 3/4 Position Selector Color: Red Switch Positions: 3/4 Battery Harvester: 3 Position No/4 Position Yes Alternator Box Disconnection: No Maximum Voltage: 32V DC Stud Size: 3/8" Tip Torque: 120 in lb (13.56 Nm) Continuous Rating: 300A Intermittent Rating: 500A (5 min) 30s Starting Rating: 900A Battery Inputs: 2 Cable Clearance for 4/0 AWG Cables "1.12in (28.45mm) Cable Size Meeting Ratings: " 4/0 AWG (120mm sup2;) Mounting Holes: "accept screw #10 Flask Material: "tinned copper Tip Torque: "120 in-lb (13.56 Nm) Terminal Tip Size: "3/8"" - 16 (M10) Waterproof Level: IP66 Package Included: 1 x Switches Note: Pls allow 1-3mm error due to difference in manual measurement Size: Working Way: Detail: