Emerson Appleton Tumbler Switch, EFS
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Appleton™ EFS Non-Sealed Tumbler Switches

Brand: Appleton

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.

  • Enclosures furnished with internal ground screw.

    • Specifications

    Brand

    Nameplate Mounting Bracket

    • Make Circuit Description/Identification Easy. Eliminates Costly Field Installation (Drilling/Tapping) to Accommodate Circuit Identification Nameplate. Pre-drilled Holes in Bottom or Middle of Bracket. Brackets Fit Side-by-Side on 2-, 3- & 4-gang Boxes A

    NEC Certifications & Compliances

    • Class I, Division 1 & 2, Groups C, D, Class II, Division 1 & 2, Groups E, F, G, Class III, NEMA 7CD, 9EFG

    Option Materials

    • 1- or 2-gang Copperfree (4/10 of 1% Max.) Aluminum Bodies & Covers Available. See Catalog Pages for Details

    Standard Finishes

    • Tumbler Switches have A Triple-coat Finish (1) Zinc Electroplate, (2) Chromate, & (3) Epoxy Powder Coat

    Standard Materials

    • Malleable Iron Body & Covers. Nylon 6/6 Handle. Corrosion Resistant Stainless Steel Nameplate Mounting Bracket (optional)

    Documentation

    Catalogs

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