Appleton Electric EDSC175R3W Unilet Safety Switch

The Appleton Electric EDSC175-R3W Unilet is a factory-sealed, 1-Gang, 3-Way explosion-proof tumbler switch from the UNILETS line, designed for hazardous locations and featuring a malleable iron body with a Nylon 6/6 rocker-arm handle. It is rated for 120–277 VAC at up to 20 A, delivering 1 HP at 120 VAC and 2 HP at 240 VAC, with a surface-mount design and a 3/4 in hub for feed-through installations. This unit is UL-listed to UL 894 and UL 1203, with enclosure ratings of NEMA 7CD and 9EFG, making it suitable for use in classified areas where ignitable vapors, gases or highly combustible dusts may be present. The EDSC175-R3W is approved for Class I, Groups B, C, and D; Class II, Groups E, F, G; and Class III locations, reflecting its robust protection against ignition sources in industrial environments, and it carries a triple-coat finish (zinc electroplate, chromate, and epoxy powder coat) for corrosion resistance. Its dimensions are approximately 4.63 inches high, 3 inches wide, and 4.5 inches deep, with a 3/4-inch hub and a surface-mount footprint that makes it a compact, reliable control point for safety-critical shutdowns in hazardous environments.