Appleton Electric - Appleton EFSC175-F1 3/4" Explosion Proof Switch

Appleton™ explosionproof, dust-ignitionproof EFS Series non-sealed tumbler switches are designed to prevent arcing of enclosed switches in ignitable atmospheres during connect and disconnect operation of lighting and light power loads. They are designed for use in classified areas where ignitable vapors, gases or highly combustible dusts are present such as chemical and petrochemical plants, refineries and other process industries. Features: Explosionproof, Dust-Ignitionproof. Ideal for installation in chemical and petrochemical plants, refineries and other process industries; 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; 20 Amp and 30 Amp units available for use with 120-277 Vac; Smooth ground mating surfaces assure flame-tight joint between cover and mounting enclosure; Stainless steel hex head cap screws for attaching cover to mounting enclosure; Choice of front-operating or side rocker arm handle; each may be locked in ON or OFF position; Each handle has close-tolerance threaded stainless steel shaft to meet explosionproof requirements