Appleton™ Mercmaster™ III Low Profile Compact Fluorescent Luminaires

Availability : In stock

The Mercmaster™ III Low Profile Compact Fluorescent fixture offers superior lighting in a small package for Class I, Division 2/Zone 2 locations. It is the perfect choice for low clearance, low ceiling heights or where fixture weights must be minimized. The PLT fluorescent lamps provide superior lighting efficiencies and economies. Its electronic ballast allows for flicker free, instant-on capabilities for zero blackout during momentary power dips. The Mercmaster III Low Profile is also suited for non-hazardous areas that are exposed to severe weather, excessive moisture, dirt and dust

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  • Typical applications include oil refineries, pulp and paper mills, chemical plants, food-processing areas, inspection facilities, foundries, power plants, storage areas, waste and sewage treatment, parking garages, and other areas where dust, water, dirt
  • High efficacies (up to 75 lumens per Watt) offer a desirable low-glare alternative to low wattage HID sources while providing long lamp life and superior lamp efficiency. “”””Instant on”””” nature of this electronically ballasted fluorescent eliminates the pos
  • High output under widely varying conditions: Greater than 90% of rated lumens in ambient temperatures from -5 °C to +54 °C (+23 °F to +130 °F)
  • Excellent color rendering (82 CRI) makes it the best choice for food processing and inspection facilities
  • Electronic ballast permits low operating costs with power factor greater than 99%. Also allows flicker-free starting
  • Cold weather starting to a minimum temperature of -18 °C (0 °F)
  • Fixtures are available for operation from an external 125 Vdc source
  • Compact, light-weight low profile design creates ease of installation and maintenance
  • Modular design, with multiple mounting hoods, optics and reflectors, permits a wide array of fixtures to meet installation and lighting needs
  • Mounting hoods have a high hinge for added safety during installation and servicing
  • Choice of heat-resistant prismatic glass refractor (NEMA I, III or V), heat-resistant clear globes, color globes or polymeric refractors (NEMA II, III, IV or V). (Polymeric refractors are not listed for Zone 2.)


NEC/CEC Certifications and Compliances
Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, AEx nA nR IIC (Z2); Class II, Division 1 and 2, Groups E, F, G; Class III; Type 4X; IP66; Simultaneous Exposure (Class I, Division 2/Class II, Division 1); Fixtures Outside Type (Salt Water)
CEC Certifications and Compliances
Class I, Zone 2, Ex nR IIC (Z)
Specific Wattages
26, 32, 42, 52, 57, 64, 84, 114 W Compact Fluorescent
Ambient Temperature
-5 °C to +54 °C (+23 °F to +130 °F)
120/208/240/277 V, 50/60 Hz; 125 Vdc; 347 V, 60 Hz
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 heat-resistant prismatic glass; reflectors are FRP with a polyester finish. Hardware, catch assemblie
Optional Fuse Kits
Fuses can be field-installed. Kits include fuse block, wire connectors and screws for attaching to mounting hood. Fixtures with fuses may not meet local electrical codes