Cut Sheet

Applications
• Enclosedandgasketedxturessuitableforuseinmarine
andwetlocations,andinawiderangeofindustrial,chemical
processingandotherareaswhereammablegasesandvapors
orcombustibledustsarepresentunderconditionsdened
bytheNationalElectricalCodeasClassI,Division2;ClassII,
Division1and2;andClassIII.Themethodofprotectionfor
theZone2MercmasterisAExnAnR–RestrictedBreathing/
Nonsparking.
• Foruseinareasoflowclearance,lowceilingheightsorwhere
xtureweightsmustbeminimized.
• Suitedforuseinnon-hazardouslocationswheresevere
weatherconditions,excessivemoisture,dirt,dustorcorrosive
atmospheresarepresent.
• Typicalapplicationsincludeoilreneries,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androughusageareaproblem.
Features
• Energy-efcient,compactuorescentlightsourcespossess
superiorlampefciency.
• Fluorescentprovideslonglamplife,therebyreducing
relampingcosts.
• “Instanton”natureofthiselectronicallyballasteduorescent
eliminatesthepossibilityofanextendedblackoutduetoa
momentarypowerdip.
• Highefcacies(upto75lumensperWatt)offeradesirable
low-glare/instant-onalternativetolowwattageHIDsources.
• Highoutputunderwidelyvaryingconditions:Greaterthan90%
ofratedlumensinambienttemperaturesfrom23°Fto130°F/
-5°Cto54°C.
• Excellentcolorrendering(82CRI)makesitthebestchoicefor
foodprocessingandinspectionfacilities.
• Awidevarietyoflampwattages:
26W,32W,42W,52W,64W,84W.
• Electronicballastpermitslowoperatingcostswithpowerfactor
greaterthan99%.Alsoallowsicker-freestarting.
• Coldweatherstartingtoaminimumtemperatureof0°F/-18°C.
• Fixturesareavailableforoperationfromanexternal125Vdc
source.
• Compact,light-weightlowproledesigncreateseaseof
installationandmaintenance.
• Modulardesign,withmultiplemountinghoods,opticsand
reectors,permitsawidearrayofxturestomeetinstallation
andlightingneeds.
• Bodygasketsandopticgasketsarehightemperaturesilicone
O-Ringsthatprovidesuperiorsealing.
• 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.)
Standard Materials
• Standarddomeor30°anglereectors:highlyreective
berglassreinforcedwhitepolyestertoprovidestrength,
corrosionresistanceandexcellentphotometrics
• Fixturehousing,mountinghoods,andguards:die-cast,
copperfree(4/10of1%max.)aluminumwithepoxynishfor
corrosionresistance
• Exposedhardware:stainlesssteel.Latchassemblieshave
stainlesssteelboltandcaptivenut;reectorsandguardsattach
withstainlesssteelscrewsthreadingintostainlesssteelinserts
• Globesandglassrefractors:heat-resistantprismaticglass
• Polymericrefractor:spunaluminumreectorandalensmadeof
anengineeredthermoplastic
Standard Finishes
• Epoxypowdercoatnishelectrostaticallyappliedforcomplete,
uniformsurfaceprotection
Options
• Fusecanbeeldinstalled.Kitsincludefuseblock,wire
connectorsandscrewsforattachmenttomountinghood.
—FixtureswithfusesdonotcomplywithUL1598Aformarine
listing
—CanadianElectricalCodedoesNOTallowfusingin
hazardouslocationsV
• Guardswithgrayepoxypaintedtomatchxtures,suppliedwith
stainlesssteelscrews.Addsufx-G.
• Reectorsareavailableasstandarddomeand30°angle
polyester.Orderseparately.
Certifications and Compliances
• ULStandard:UL1598,UL1598A,UL844,UL60079-0,UL
60079-15
• ULListed:E10444
• CSAStandard:C22.2No.250,C22.2No.137,CANE60079-0,
CANE60079-15
• CSACertied:025428
Pendant Mount Fixture
with Glass Globe
Ceiling Mount Fixture with
Prismatic Glass Refractor
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, AEx nA nR IIC (Z2)
Class I, Zone 2, Ex nR IIC (Z) V
Class II, Division 1 and 2, Groups E, F, G
Class III
Simultaneous Exposure (Class I, Division 2/
Class II, Division 1)
Fixtures Outside Type (Salt Water)
Type 4X
IP66
V CSA Certification Only.
Lighting
Lighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at [phone].
© January 2011
1055
Mercmaster
™
III Low Profile Compact Fluorescent Luminaires
Enclosed and Gasketed. For Hazardous and Wet Locations
Compact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.