Cut Sheet

Lighting — LED
NEC/CEC ENClosEd aNd GaskEtEd — arEa
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© January 2016
1371
Mercmaster™ LED Low Profile Luminaires
Enclosed and Gasketed Fixtures
NEC/CEC:
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, Group IIC
Class II, Division 1, Groups E, F, G 
Class II, Division 2, Groups F, G
Class III
NEC/CEC:
Type 3R, 4, 4X
IP66
Simultaneous Exposure
Suitable for Use in Wet Locations
Marine Outside Type (Salt Water)
Applications
• Enclosedandgasketedxturessuitableforusein:
—Awiderangeofindustrial,chemicalprocessingandother
areaswhereammablegasesandvaporsarepresent
—Marineandwetlocations
—Areasoflowclearance,lowceilingheightsorwherexture
weightsmustbeminimized
• Typicalapplicationsinclude:
—Pulpandpapermills
—Processingplants
—Chemicalplants
—Petrochemicalfacilities
—Oilreneries
—Drillingrigs
—Foundries
—Wasteandsewagetreatment
—Mining
—Steelmills
Features
• Compactlightweightlowproledesignissuitedforlow
mountingheights.
• Sixstandardmountinghooddesignsallowformountinginany
location.UsessamemountinghoodsasMercmasterIII.
• Customizetotheapplicationrequirementswithfourdifferent
globeoptions:clearanddiffusedpolycarbonate,clearglass,or
prismaticglassrefractor.
• ThreelightoutputlevelsforretrotofHIDxturesupto150W.
• Hingehashighlipforaddedsafetyduringinstallation
andservicing.Hingeandboltconstructionassures360°
compressionatallpointsonxturehousinggasketforpositive
sealing.Swingawaydesignofcaptiveboltandnutsimplies
servicing.
• Operatingambient:-40°Cto55°C(-40°Fto+131°F).
• Standardscrew-typeterminalblockcanacceptUL/CSA24-8
AWGwire.
• StandardNPTthreads.
Options
• Glassglobeguardisstainlesssteelwire.Glassrefractorguard
isdiecastaluminumwithgrayepoxypowdercoatingtomatch
xtures.
• AllMercmastermountinghoodshaveprovisionforeld
installationoffusesinxtures;addsufx–F attheendofthe
catalognumber.
• Photocontrolsareavailablewithallexceptceilingandpendant
conemountinghoods,andareconguredtoyouroperating
voltage.
Standard Materials
• Mountinghoodsandbodies:castcopperfree(4/10of1%max.)
aluminum
• Allhardwareandcatchassemblies:stainlesssteel
• Globe:polycarbonateorglass
• Refractor:heat-resistantprismaticglass
• Glassglobeguard:stainlesssteelwire
• Glassrefractorguard:diecastaluminum
• 30°anglereectors:berglassreinforcedwhitepolyester
Standard Finishes
• Mountinghoods,bodiesandglassrefractorguard:grayepoxy
powdercoatnish,electrostaticallyappliedforcomplete
uniformprotection
NEC/CEC Certifications and Compliances
• ULStandard:UL50;UL844,UL1598,
UL1598A,UL8750
• CSAStandard:C22.2No0;C22.2No.0.4;
C22.2No.0.5;C22.2No.94;C22.2No.60529;
C22.2No.137;C22.2No.250.0
• ANSI/IECStandard:60529
• cULusListed:
• DLCQualiedProductsListed
Related Products
• NEC,ClassI,Division2photocellsforclassieduseare
available,seePCD2 Series.
—MountinghoodswithphotocontrolsarenotratedIP66,Type
4XorMarineOutsideType(SaltWater),orratedClassII.
Clear and diffused polycarbonate globes are not rated for Class II, Division I environments.
 Fusing only permitted for ULus rating.