Heavy duty MOMENTARY ON push button switch with black boot Zinc die-cast housing, silver contacts, brass terminals. Flush terminal screws in molded insulator. Housing rolled over insulator to seal out dust and moisture. Rated 60 amps at 12 volt, 40 amps at 24 volt. Also available with red boot see part number 15-100-R. Boots also sold separately see part number 19-510 and 19-511.