e-Series Selector 3 Position Battery Switch with AFDAFD: YesBattery Combiner: NoFeatures:Make-before-break contact design allows switching between battery banks without power interruption CE Marked Ignition protected-safe for installation aboard gasoline powered boats Case design allows surface or rear panel mounting Meets American Boat and Yacht Council (ABYC) requirements for battery switches 3/8-16 tin-plated copper studs for maximum conductivity and corrosion resistance, accepts 3/8 and M10 ring terminals 7/8 (22.22mm) stud length to accept multiple cable terminals Tactile textures indicate knob position by feel only 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.