Appleton UNILETS Explosionproof Tumbler Switch, 1-Gang Feed-Through, Series: EDSC, 120 to 277 V AC, 20 A, 2 Pole, Lever Actuator, Thread Connection, NEMA 7CD/9EFG NEMA Rating, Surface Mounting, Malleable Iron, Triple Coated, 5.38 in H x 3 in W x 4.69 in D Dimensions
Used in classified areas where ignitable vapors, gases or highly combustible dusts are present and installed in chemical plants, petrochemical plants, refineries and other process industries
Included
Internal Ground Screw
Warranty
5 Years
Features
Enclosures have external mounting lugs for ease of mounting
Smooth, rounded integral bushing in each hub protects conductor insulation
Enclosures furnished with internal ground screw
Factory sealed switches are designed to a UL standard so that any arcing devices are contained within an explosionproof labyrinth switch
Tumbler switch devices are approved for installation without additional external sealing fittings
20 A 4-way and all 30 A models utilize a switch enclosed in separate sealing chamber
Smooth double face, accurately ground surfaces on sealing chamber flange mate with cover and body to provide positive flametight construction
Sealing chamber has prewired factory sealed pigtail leads to switch