Appleton™ Mercmaster™ III HID 50—250 Watt Luminaires

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The Mercmaster™ III 50–250-Watt luminaire offers a modular design with multiple component options to meet diverse lighting needs. Its enclosed, gasketed construction makes it ideal for hazardous locations, including Class I, Division 2 and Class II. Appleton’s heat-reducing design ensures 18% cooler operation, increasing the fixture’s durability. This allows the luminaire to function effectively in ambient temperatures up to +65°C (+149°F).

Specifications

NEC/CEC Certifications and 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 and 2, Groups E, F, G; Class III; Type 4X; IP66; Simultaneous Exposure (Class I, Division 2/Class II, Division 1); Fixture
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

Features

  • Typical applications include pulp and paper mills, processing plants, chemical plants, oil refineries, foundries, manufacturing plants, storage areas and marine applications
  • These medium base lamps accommodate 50-to-150-Watt high pressure sodium (HPS) or 175- and 250-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
  • 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

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