Appleton MercmasterTM LED Low Profile Luminaires

Product Category: Electrical Explosion Proof
Product Brand: Appleton


  • Enclosed and gasketed fixtures suitable for use in:
    • A wide range of industrial, chemical processing and other areas where flammable gases, vapors and combustible dusts are present including simultaneous exposure
    • Marine and wet locations
    • Areas of low clearance, low ceiling heights or where fixture weights must be minimized
  • Typical applications include:
    • Walkways/catwalks
    • Stairwells
    • Grain elevators
    • Tunnels
    • Pipe racks
    • Offshore rigs
    • Vessel lighting
    • Cooling towers
    • Processing areas


  • Choice of color temperature (CCT): 5000K cool white, 4000K neutral white or 3000K warm white.
  • Seven standard mounting hood designs allow for mounting in any location. Uses same mounting hoods as MercmasterTM III, MercmasterTM Premium LED and MercmasterTM LED Generation 3.
  • Customize to the application requirements with four different field replaceable globe options: clear and diffused polycarbonate, clear glass, or prismatic glass refractor.
  • Three light output levels for retrofit of HID fixtures up to 175 W.
  • Retrofit adapters for Crouse HindsTM, Mercmaster II and KillarkTM available. See Mercmaster CH Adapters.
  • New Watertight Pendant Hood available to address water ingress into luminaire via conduit.
  • Hinge has high lip for added safety during installation and servicing. Hinge and bolt construction assures 360° compression at all points on fixture housing gasket for positive sealing. Swing away design of captive bolt and nut simplifies servicing.
  • Standard 6 kV surge protection.
  • Ambient Temperature: BU: -40 °C to +65 °C (-40 °F to +149 °F)
    BH: -40 °C up to +65 °C (-40 °F up to +149 °F)
  • Standard screw-type terminal block can accept UL/CSA 26-10 AWG wire.
  • Heavy duty, high temperature silicone rubber gaskets.
  • Standard NPT threads.
  • LED L70 rated at 109,000 Hours with a calculated fixture life of 200,000 hours @ +25 °C (+77 °F).
  • Field replaceable globes and LED driver.
  • Rugged housing with superior thermal design translates to long luminaire life.
  • Photobiological Safety, per IEC standards

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