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