Blue Sea Heavy Duty Battery Switch SelectorThe Blue Sea Heavy Duty Battery Switch Selector switches isolated battery banks to all loads or combines battery banks to all loads. The make-before-break contact design allows for switching between battery banks without power interruption. Its case design allows for surface or rear panel mounting. This switch is ignition protected, making it safe for installation aboard gasoline powered boats. Accepts two 4/0 AWG battery cables.Features: Selects battery bank 1 or battery bank 2, or 1+2 for charging or emergency starting; Up to 500 Amps continuous rating for large diesel engines; Tin-plated copper studs provide maximum conductivity and corrosion resistance; Case design allows surface mounting or rear panel mounting; Accepts 4/0 AWG battery cables; Ignition protected; Specifications: Switch Type: Selector 4 Position; Switch Positions: 4; Battery Combine: Yes; Maximum Voltage: 32V DC; Terminal Stud Torque: 220 in-lb; Continuous Rating: 500 A; Intermittent Rating: 700 A; Battery Inputs: 2; Mounting Holes: Accept 1/4" (M6) screw; Stud Material: Tinned Copper; Terminal Stud Size: 1/2"; Weight: 1.25 lb.; This Battery Switch Selector meets the following regulatory specifications: ABYC E-11, CE, IP66, ISO 8846 Marine, SAE J1171 Marin, UL 1107, and UL 1500Click to Download Blue Sea HD Battery Switch Selector Instructions