The 78SH1 is a momentary, unguarded foot switch from the LINEMASTER® Classic II series. It features a single-pole, double-throw (SPDT) circuit with a "Heavy Pilot Duty" electrical rating and a maximum voltage of 250 VAC. Constructed with a durable cast aluminum body and treadle on a steel base plate, it is designed for reliability in industrial environments. The switch is protected to EN 60529 IP56 and meets NEMA Types 1, 2, 4, & 13 standards. Its versatility and provisions for rigid mounting make it suitable for a wide range of equipment control applications.