HD-Series Battery Switch Single Circuit ON/OFFPN:  3000600 Amperes Continuous Rating for large diesel engines600 Ampere Continuous RatingAccepts two 4/0 battery cables per terminalIgnition protected - safe for installation aboard gasoline powered boats.870" (22.01mm) stud length to accept multiple cable terminals1/2" (M12) Tin-plated copper studs for maximum conductivity and corrosion resistanceMeets American Boat and Yacht Council (ABYC) requirements for battery switchesTactile textures indicate knob position by feel onlyCase design allows surface or rear panel mountingFits all Perko and Guest low amperage battery switch hole patternsSwitch Ratings: 10 Sec: 2750A60 Sec: 1325A5 Min: 900AContinuous: 600AMax Voltage: 32V DCWARNING: 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.