Appleton™ Industrial Mercmaster™ LED Low Profile Series Luminaires

The Appleton™ Industrial Mercmaster™ LED Low Profile Luminaires are reliable, light-weight, compact and ideal for task lighting applications under 20 feet. Field changeable globes, 6kV standard surge, and a choice of lumen outputs and Correlated Color Temperatures (CCTs) make this luminaire a great option for heavy industrial locations where corrosive atmospheres are encountered. These luminaires ensure uniform light distribution without spotlight effects or dark spots and can be tailored in the field. Also available in an Emergency Battery Backup version, it offers 90- or 180- minute modes.


  • Typical applications include manufacturing plants, storage areas, warehouses, platforms, loading docks, walkways/catwalks, stairwells, tunnels, pipe racks, vessel lighting, food processing facilities and parking garages
  • Compact, light weight, low profile design is suited for low mounting heights
  • Seven standard mounting hood designs allow for mounting in any location. Uses the same mounting hoods as the Mercmaster III HID
  • Customize to the application requirements with four different globe options: clear and diffused polycarbonate, clear glass, or prismatic glass refractor
  • Three light output levels on Standard version for retrofit of HID fixtures up to 175 Watts. Emergency version provides up to 1450 lumens illumination for 90 minutes of emergency lighting with clear lens or 900 lumens illumination for 180 minutes of emergency lighting
  • 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 screw-type terminal block can accept UL/CSA 26-10 AWG wire (Standard version only) or UL/CSA 24-10 AWG wire (Emergency version only)
  • NPT threads standard
  • Emergency version features functional diagnostic test self-initiates every 14 days after initial start up. Duration test is automatically performed once per year
  • Green and Red LED lamps indicate charging status and provide fault warning on Emergency version
  • Simple quick disconnect connector disconnects power between LEDs and battery management module to allow maintenance on Emergency version


NEC/CEC Certifications and Compliances
Type 3R, 4, 4X; IP66-IP67; Simultaneous Exposure; Suitable for Use in Wet Locations; Marine Outside Type (Salt Water) For USA ONLY; American Bureau of Shipping (ABS) Certified (Emergency version only); IDA approved when used with Visor
Lumen Breakdown
2K is 3300 lumens; 3K is 4400 lumens; 4K is 5500 lumens
Operating Ambient
-40 °C to +65 °C (-40 °F to +149 °F)
120-277 Vac, 50/60 Hz; 125-300 Vdc or 347-480 Vac, 50/60 Hz (Standard version only)
Standard Materials and Finishes
Mounting hoods, bodies and guards are cast copperfree (4/10 of 1% max.) aluminum with electrostatically applied baked gray epoxy-clad finish. Globes are polycarbonate or glass. Hardware, catch assemblies, guard are stainless steel. Refractors are heat-resistant prismatic glass
DesignLights™ Consortium
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