1-Gang Explosion-Proof Feed-Thru Malleable Iron Tumbler Switch w/ 1/2" Hub (1P, 20A, 120-277V)

This item is a 1-Gang Explosion-Proof Feed-Thru Malleable Iron Tumbler Switch w/ 1/2" Hub (1P, 20A, 120-277V) manufactured by Appleton. Features: * Explosionproof, Dust-Ignitionproof. Ideal for installation in chemical and petrochemical plants, refineries and other process industries * Factory sealed switches are designed to a UL Standard so that any arcing devices are contained within an explosionproof labyrinth switch (standard switch and sealing chamber on select models). * 20 Amp 4-way and all 30 Amp 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 flame-tight construction * 1/2#8221; and 3/4#8221; 1-gang units suitable for Class I, Group B, in addition to Class I, Groups C and D; Class II, Groups E, F and G; and Class III * Sealing chamber has prewired factory sealed pigtail leads to switch * 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 * Corrosion resistant, strong stainless steel hex head cap screws attach cover/body/sealing chamber assembly for approved flame-tight construction * Threaded stainless steel operating handle provides positive corrosion resistant operation * Choice of front-operating or side rocker arm handle; each may be locked in ON or OFF position * Custom units are available. See catalog pages for details