m-Series Mini On-Off Battery Switch with Key - BlackSwitches a single battery to a single load group Ignition protected-safe for installation aboard gasoline powered boats.Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts.Switch Type: tSingle Circuit ON-OFFColor:tBlackSwitch Positions:t2Battery Combine:tNoAlternator Field Disconnect: tNoMaximum Voltage:t48V DCContinuous Rating :t300AIntermittent Rating :t500A (5 min)Cranking Rating 10 sec: t1500ACranking Rating 1 min: t775ABattery Inputs:t1Cable Clearance For 4/0 AWG Cables:t1.12in (28.45 mm)Cable Size to Meet Ratings:t4/0 AWG (120mm^2)Mounting Holes: tAccept #10 ScrewTerminal Stud Size:t3/8"-16 (M10)Terminal Stud Torque:t120 in-lb (13.56 Nm)Weight:t0.62lb (0.28/ kg)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications: AFD: No Continuous Amperage: 300a Box Dimensions: 3"H x 4"W x 7"L WT: 0.6 lbs UPC: 632085600525 Owner&';s Manual (pdf)