SP42AA is a snap-action, modular, panel-mounting limit switch manufactured by SSAC. The switch features a robust enclosure with a zinc die-cast frame and black thermoplastic cover. The body is designed for mounting to a panel cutout of .305-inch diameter with a .433-inch maximum depth. The contact rating is 8 amps at 125/250 VAC. This switch is designed for use in HVAC, vending, and water treatment machines, commercial accounts and electronic equipment. It is UL Listed and CSA Certified.