Cut Sheet
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 I, Zone 2, AEx nR IIC (ZB)
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
Applications
• Enclosedandgasketedxturessuitableforusein:
—Marineandwetlocations
—Awiderangeofindustrial,chemicalprocessingandotherareas
whereammablegasesandvaporsorcombustibledustsare
presentunderconditionsdenedbytheNationalElectrical
CodeasClassI,Division2;ClassII,Division1and2;and
ClassIII
—Inapplicationsinvolvingmediumandhighmountingheights
—Inapplicationswhereenergyefcient,highlumenoutputis
required
—TheAExnAnRMercmasterIIIxtureisfactorysealedand
preventsvaporsandgasesfromenteringtheglobechamber.
Therearenosealsorputtyrequired.
—TheAExnRMercmasterIIIxturerequiresallwiringentriesto
besealed.
—Non-hazardouslocationswheresevereweatherconditions,
excessivemoisture,dirt,dust,corrosiveatmosphereorhigh
ambienttemperaturesareencountered
• Typicalapplicationsinclude:
—Pulpandpapermills
—Processingplants
—Chemicalplants
—Oilreneries
—Foundries
—Manufacturingplants
—Storageareas
—Wasteandsewagetreatment
—Otherareaswheredust,water,dirtandroughusagearea
problem
Features
• Superiorcorrosionresistance.
• Choiceoflightsources:highpressuresodium,andpulsestart
metalhalide.
• Sixmountingarrangementstosuitanylightinglayout:pendant,
ceiling,wallbracket,25°(angle)stanchion,90°(straight)
stanchionandcone.
• Hingehashighlipforaddedsafetyduringinstallationand
servicing.Hingeandboltconstructionassures360ºcompression
atallpointsonballasthousinggasketforpositivesealing.Swing
awaydesignofcaptiveboltandnutsimpliesservicing.
• Choiceofopticalassemblies:prismaticglobe;enclosedreec-
torwithsealedlens;orTypeVorTypeIIclosedprismaticglass
refractor,withorwithoutguards.
• Widechoiceofphotometricdistributions.
• Allxturesdesignedtoperformina104ºF/40ºCambienttemper-
ature.Selectedxturesaresuitableforambienttemperaturesup
to149ºF/65ºC.
• Mogulbaseporcelainlampholderwithnickel-platedcontacts
has392°F/200°Cratedweldedleads,pre-wiredtotheballast.
Assurestrouble-freeoperationininstallationswherehighambient
temperaturesareencountered.
• Forelectricalprotection,agroundwireisprovidedoneach
Mercmastertobondhoodandballasthousing.
• TerminalblocksareprovidedforZone2xturestofacilitatewiring.
• Standarddomeof30ºanglereectorsmadeofberglassrein-
forcedwhitepolyester.Highlyresistanttocorrosiveatmospheres.
• Awiderangeofvoltagesavailable(120to600Volt)andballast
types(CWA,CWIandSuperCWA).
• One-pieceballasthousingforeachcomponentprovideseven
heatdissipationforcooleroperationandlongerballastlife.
• AllMercmastermountinghoodshaveprovisionforeasyeldin-
stallationoffusesinxtures(seefusekitlistings).
Standard Materials
• Mountinghoodsandballastbodies:castcopperfree(lessthan
4/10of1%copper)aluminum
• Reectors:Fiberglassreinforcedwhitepolyester
• Guards,hardwareandcatchassemblies:stainlesssteel
• Globe:heat-andimpact-resistantinternallyutedglass
• Refractors:prismaticglass
• Enclosedreector:etchedAlzakaluminumwithsealed,tempered
heat-andimpact-resistantlens
• Bodyandglobegaskets:high-temperaturesiliconerubber
Standard Finishes
• Mountinghoodsandguards:epoxypowdercoat,electrostatically
appliedforcompleteanduniformprotection
Options
• AExnAnRxturesareavailablewithaClassI,Zone2rating.Add
sufx-Z2.
• AExnRxturesareavailablewithaClassI,Zone2rating.Add
sufx-ZB.
• ExnRxturesareavailablewithaClassI,Zone2rating.Add
sufx-Z V.
• QuartzAuxiliarycomestofullbrightnessimmediatelyand
remainslituntiltheHIDlampattains60-70%offullillumination.
QuartzAuxiliarysuppliedwithrelayswitchandsockettoaccept
120Vquartzdouble-contactbayonetbaselamp(notincluded).
(Notsuitableforhazardouslocations.)Addsufx-E.
• Factorysealedphotocontrolavailable.SeePCD2Series.
• SmartStarterincorporatesa1-1/2-minutetimerandperforms
asaconventionalstartertonormallystartlamp.Removes
itselffromcircuitiflampburnsoutorisremovedfromsocket.
Eliminatesstarterfailurescausedbyprolongedoperationwith
cyclingorfailinglampsandsimpliesndingtheirlocation,
reducingmaintenanceandrepaircosts.AvailableforallHPS
andPSMHxtures.Addsufx-S.
Certifications and Compliances
• ULStandard:UL1598,UL1598A,UL844,UL60079-0,UL
60079-15
• ULListed:E10444
Enclosed Reflector Prismatic Glass Globe 12” Glass Refractor
Lighting
Lighting: EncLosEd and gaskEtEd — arEa — hid
Visit our website at www.appletonelec.com or contact us at (800) 621-1506.
© October 2012
976
Mercmaster
™
III 400 Luminaire for Hazardous and Wet Locations
High Pressure Sodium and Pulse Start Metal Halide
Listed for si mul ta ne ous ex po sure to com bust i ble dusts and flam ma ble gas es or va pors.
V CSA Certification only.