Description
Appleton® Mercmaster™ III Induction Fixture Unit, Enclosed Gasketed, 277 VAC, Inductive Lamp, 85 W Lamp, 1 Lamp, Prismatic Glass Lens, NEMA 4X, Cast Copper-Free Aluminum Housing, Epoxy Powder Coated Housing
Features:
- Instant start and restrike
- High lumen output and efficacy (up to 73 lumens per watt)
- Fixtures operate safely in a 40 deg C (104 deg F) ambient temperatures
- Good lumens maintece provides less than 30% depreciation after 60K hours of operation
- Virtually maintece free
- Ultra long 100000 hours of life keeps maintece costs to a minimum
- Starts in temperatures as low as -40 deg C (-40 deg F)
- Low total harmonic distortion (less than 10%)
- No cycling at end of life
- Modular design allows scores of fixture component combinations to meet installation and lighting needs
- Cone hood fixtures for pendant mounting shed dust, dirt and combustible fibers, and provide an increased surface area for effective heat dissipation
- Reflector choice includes standard dome and 30 deg angle types, both made of fiberglass reinforced white polyester that is 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
- For high corrosion resistance, fixture housing, mounting hoods and guards are copper free (4/10 of 1% max) cast aluminum with baked epoxy finish, electrostatically applied for uniformity
- Hinge has high lip for added safety during installation and servicing
- Hinge and bolt construction ensures 360 deg 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
Applications:
For use in areas where access for relamping is difficult, reliability is essential and the environment is costly to maintain, cold environment applications, marine and wet locations, and in a wide range of industrial, chemical processing and other areas where flammable gases and vapors or combustible dusts are present under conditions defined by NEC class 1, division 2, in non-hazardous areas where severe weather conditions, excessive moisture, dirt, dust and corrosive atmospheres are a problem
Standards/Approval:
- UL 1598/844/1598A
- CSA C22.2 File No. 250
- C22.2 File No. 137 Certified
- C/US CSA Certified
- Class I
- Division 2
- Groups A
- B
- C
- D
- Class II
- Division 1 And 2
- Groups E
- F
- G
Warranty:
Limited
