Compact Battery Selector & Main Disconnect SwitchesPolycarbonate Body with Brass TerminalsIgnition ProtectedFor use with 6 to 32 Volt Marine Electrical SystemsCapacity – 315 AMPS Continuous, 450 AMPS 5 Mins. IntermittentTerminal Stud Size: 3/8″Width: 4″Height: 4″Depth: 3″ Specifications:AFD: NoLockable: NoPositions: 2Box Dimensions: 3″H x 5″W x 8″L WT: 0.95 lbsUPC: 085226369230Quick Guide (pdf)