Description
Appleton® UNILETS™ Tumbler Switch Control Station, 4-Way Feed-Through, Series: EDS, 120/277 V AC, 20 A, Rocker Arm Operated Lever Actuator, Thread Connection, NEMA 7BCD/9EFG NEMA Rating, Surface Mounting, Malleable Iron, Triple Coated, 6.13 in H x 3 in W x 4.5 in D Dimensions
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 (standard switch and sealing chamber on select models)
- 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 flame-tight construction
- Sealing chamber has prewired factory sealed pigtail leads to switch
- 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
- Designed to prevent arcing of enclosed switches in ignitable atmospheres during connect and disconnect operation of lighting and light power loads
Applications:
Used in classified areas where ignitable vapors, gases or highly combustible dusts are present and threaded metal conduit
Standards/Approval:
- Class I, Div 1, 2, Groups B, C, D
- Class II, Div 1, 2, Groups E, F, G
- Class II
- UL 508/698/1203 File No. E10449/E81751
