Product OverviewThis Heavy Duty Battery selector switch has 380A continuous and 2000A cranking amps, giving it the power to start a large single or dual diesel engines. Can be surface or rear panel mounted. Ignition protected. Safe for installation on gasoline powered boats. Constructed of injection molded nylon with machined brass contacts. Installs with four #10 RH fasteners (not included).Specifications Description: Off/On Size: 4" x 4" x 3-5/8" Voltage: Up to 48 Product Details Brand: Sea-Dog Line Product Type: Battery Management Manufacturer Part Number: 422766-1 UPC: 035514432733 LNS Category: Electrical LNS Subcategory: Switches Dimensions: L 7.95 in × W 7.9 in × H 3.6 in Country of Origin: CN Compare the manufacturer part number, dimensions, fitment, voltage, material, and included components with your application before ordering.Enjoy free standard shipping on all U.S. orders, including Alaska, Puerto Rico, Guam, U.S. territories and protectorates, and eligible P.O. boxes.