Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Make-before-break contact design allows switching without power interruption. Ignition protected-safe for installation aboard gasoline powered boats. Case design allows surface or rear panel mounting. 350 Amps continuous rating for inboard gasoline or engines. Greatly applicable for RV, travel trailer, marine, boat, , truck, ATV, UTV, etc. Switch Type:Dual Circuit Plus Battery Combine:Yes Alternator Field Disconnect:No Maximum Voltage:32V DC Terminal Stud Torque:140 in-lb (15.82 Nm) Continuous Rating:350A Intermittent Rating:525A (5 min) Cranking Rating 10 sec:1000A Cranking Rating 1 min:750A Battery Inputs:2 Cable Clearance For 4/0 AWG Cables:1.10in (27.94 mm) Cable Size to Meet Ratings:4/0 AWG (120mm) Mounting Holes:Accept 1/4inch(M6) Screw Terminal Stud Size:3/8inch-16 (M10) Colour:White & Red Material:Plastic+brass Package Contents: 1 * Dual Circuit Plus Battery Rotary Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.