Emerson Appleton Luminair, Mercmaster III 400
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Appleton™ Mercmaster™ III 400 Luminaires for Hazardous Locations

Brand: Appleton
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Emerson Appleton Luminair, Mercmaster III 400
Mercmaster™ III 400 Luminaires are ideal for use where energy efficient, high lumen out put is required in applications involving medium and high mounting heights. These enclosed and gasketed fixtures are suitable for NEC and CEC hazardous and adverse locations where flammable gases and vapors, combustible dusts, severe weather conditions or excessive moisture or dirt are present.
Features
  • Typical applications include pulp and paper mills, processing plants, chemical plants, oil refineries, foundries, manufacturing plants, storage areas, waste and sewage treatment facilities and other areas where dust, water, dirt and rough usage are a problem.

  • These medium base lamps accommodate 250 or 400 Watt high pressure sodium (HPS) or 250 to 400 Watt pulse start metal halide (PSMH) lamps. There is a wide range of voltages and ballast types available.

  • A choice of heat-resistant prismatic glass refractors (NEMA II or V) or heat-resistant globes are available. They thread directly into the ballast housing and seals against a high-temperature silicone rubber gasket.

  • Modular design allows scores of fixture component combinations to meet installation and lighting needs. Mounting hoods include cone-shaped pendant, standard pendant, flexible pendant, ceiling and wall (tapped for 3/4" or 1" NPT), 25° angle stanchion and straight stanchion (both tapped for 1-1/4" or 1-1/2" NPT). Cone hood fixtures for pendant mounting shed dust, dirt and combustible fibers, and inhibit build-up that "insulates" fixture and slows heat transfer. Also provide increased surface area for more effective heat dissipation.

  • Reflector choice includes standard dome and 30° angle types, both made of fiberglass reinforced white polyester; highly resistant to unusually corrosive applications. Reflectors are vented for cooler, dirt-free operation and maintained lumen output. They secure to ballast housing with stainless steel screws threading into stainless steel inserts.

  • Hinge has high lip for added safety during installation and servicing. Hinge and bolt construction assures 360° compression at all points on ballast housing gasket for positive sealing. Swing-away design of captive bolt and nut simplifies servicing.

  • Body gaskets and globe gaskets are high-temperature silicone rubber.

  • All Mercmaster III mounting hoods have provision for easy field installation of fuses in fixtures (see fuse kit listings on catalog pages).

  • Guards are available to protect globes from damage. Keyhole slots allow easy installation and are secured with stainless steel screws.

  • Restricted breathing (AEx nR) and restricted breathing/nonsparking (AEx nA nR) options are available making the Mercmaster III an ideal HID luminaire for use in Zone 2 locations.

  • For electrical protection, a ground wire is provided on each Mercmaster to bond hood and ballast housing.

    • Specifications

    Brand

    Ambient Temperature Range

    • +40° to +65° C (+104° to +149° F)

    Electrical

    • 120 V 50 Hz, 120 / 208 / 240 / 277 V 60 Hz, 120 / 208 / 240 / 277 / 480 V 60 Hz, 220 V 60 Hz, 225 V 50 Hz, 230 V 50 Hz, 240 V 50 Hz, or 480 V 60 Hz

    NEC/CEC Certifications & Compliances

    • Class I, Division 2, Groups A, B, C, D, Class I, Zone 2, AEx NA NR IIC (Z2), Class I, Zone 2, AEx NR IIC (ZB), Class II, Division 1 & 2, Groups E, F, G, Class III, Typical 4X, IP66, Simultaneous Exposure (Class I, Division 2/Class II, Division 1), Fixtur

    Optional Fuse Kits

    • Fuses Can be Field-installed. Kits Include Fuse Block, Wire Connectors & Screws for Attaching to Mounting Hood. Fixtures with Fuses Do Not Comply with Marine Typical Electric Fixtures Outside Typical (Salt Water) Requirements for Marine Listing

    Optional Photocell

    • A Photocell to Provide Automatic "On-Off" Control is Available as an Option for All Fixtures Except Those with Cone or Ceiling Mounts

    Specific Wattages

    • 250 W HpS, PSMH, 320 W PSMH, 350 W PSMH, 400 W PSMH, Hp

    Standard Materials & Finishes

    • Mounting Hoods, Bodies & Guards are Cast Copperfree (4/10 of 1% Max.) Aluminum with Electrostatically Applied Baked Gray Epoxy-clad Finish. Globes are Heat-Resistant Prismatic Glass, Reflectors are FRP with a Polyester Finish. Hardware, Catch Assemblies

    Documentation

    Data Sheets

    Catalogs

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