Impact- and corrosion-resistant switch fits standard 7/8" diameter hole and includes PVC boot for added weather protection. Coded tumbler lock for added secutiry, includes two keys. Nominal voltage is 6-36V DC. Rated for 15A ignition, 5A start. #8-32 screw terminals. Fits panels upt to 7/8" thick. Replaces Cole Hersee part number M-850.