Feature:1. Premium Material: Battery switch is made of premium ABS and tinned copper material, rustproof, high strength, sturdy and durable.2. Professional Design: Professional manufacturing, exquisite workmanship, heavy duty, 4 position (OFF121+2), not easy to loosen.3. Excellent Performance: Power kill switch has good electrical conductivity, IP66 waterproof, ignition protection, stable performance and high reliability.4. Function: Make before break contact design allows switching between battery banks without power interruption, with 500 amperes continuous rating.5. Simple Installation: The installation is simple, mounting holes accept 1/4in (M6) screw, 1/2in (M12) terminal stud, convenient for using, save your efforts.Specification:Item Type: Battery Disconnect SwitchMaterial: ABS, Tinned copperSwitch Positions: 4(OFF-1-2-1+2)Battery Combine: YesAlternator Field Disconnect: NoMaximum Voltage: 32V DCTerminal Stud Torsion: 220 in-lb (24.86 Nm)Continuous Rating: 500AIntermittent Rating: 700A (5 min)Cranking Rating 10 sec: 2750ACranking Rating 1 min: 1150ABattery Inputs: 2Cable Clearance For 4/0 AWG Cables: Approx. 27.94 mm/1.10inCable Quantity to Meet Ratings: Two Cables or TerminalCable Size to Meet Ratings: 4/0 AWG (120mm)Mounting Holes: Accept 1/4in (M6) ScrewStud Material: Tinned CopperTerminal Stud Size: 1/2in (M12)Function: Switches isolated battery banks to all loads or combines battery banks to all loads, make before break contact design allows switching between battery banks without power interruption.Application: Ideal for Marine or RV.Package List:1 xBattery Disconnect Switch4 x Setscrew