Features: 1.Premium Material: Battery switch is made of premium ABS and nickel plated copper material, waterproof and rustproof, sturdy and durable. 2.Main Function: The battery cut switch can protect ignition, allowing power switching between battery packs without interrupting power supply, with AFD. 3.Excellent Performance: Perfect electrical conductivity, IP66 waterproof, prevents a strong spray of water, with ignition protection, safe and reliable. 4.Simple Installation: The installation is simple, mounting holes accept M10 terminal stud, having ring terminal to accept multiple cable terminals, convenient for using, save your efforts. 5.Wide Application: With 350A continuous rating, the power cut master switch is suitable for outboard and small petrol or diesel engines, ideal for RV or boat. Specification: Item Type: Battery Disconnect Switch_x000D_ Material: ABS, Nickel Plated Copper_x000D_ Switch Type: Heavy Duty Selector 4 Position Battery Switch with AFD_x000D_ Switch Positions: 4(OFF-1-2-1+2)_x000D_ Battery Combine: Yes_x000D_ Alternator Field Disconnect: Yes_x000D_ Maximum Voltage: 32V DC_x000D_ Continuous Rating: 350A_x000D_ Intermittent Rating: 600A (5 min)_x000D_ Battery Inputs: 2_x000D_ Cable Quantity to Meet Ratings: Two Cables or Terminal_x000D_ Mounting Holes: Accept 1/4in (M6) Screw_x000D_ Terminal Stud Size: Approx. 10mm/ 0.4(M10)_x000D_ Function: The make before break contact design allows switching between battery packs without interrupting power supply._x000D_ Application: Ideal for Marine or RV