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Applications• Enclosedandgasketedfixturessuitableforuseinmarine
andwetlocations,andinawiderangeofindustrial,chemicalprocessingandotherareaswhereflammablegasesandvaporsorcombustibledustsarepresentunderconditionsdefinedbytheNationalElectricalCodeasClassI,Division2;ClassII,Division1and2;andClassIII.ThemethodofprotectionfortheZone2MercmasterisAExnAnR–RestrictedBreathing/Nonsparking.
• Foruseinareasoflowclearance,lowceilingheightsorwherefixtureweightsmustbeminimized.
• Suitedforuseinnon-hazardouslocationswheresevereweatherconditions,excessivemoisture,dirt,dustorcorrosiveatmospheresarepresent.
• Typicalapplicationsincludeoilrefineries,pulpandpapermills,chemicalplants,food-processingareas,inspectionfacilities,foundries,powerplants,storageareas,wasteandsewagetreatment,parkinggarages,andotherareaswheredust,water,dirtandroughusageareaproblem.
Features• Energy-efficient,compactfluorescentlightsourcespossess
superiorlampefficiency.• Fluorescentprovideslonglamplife,therebyreducing
relampingcosts.• “Instanton”natureofthiselectronicallyballastedfluorescent
eliminatesthepossibilityofanextendedblackoutduetoamomentarypowerdip.
• Highefficacies(upto75lumensperWatt)offeradesirablelow-glare/instant-onalternativetolowwattageHIDsources.
• Highoutputunderwidelyvaryingconditions:Greaterthan90%ofratedlumensinambienttemperaturesfrom23°Fto130°F/-5°Cto54°C.
• Excellentcolorrendering(82CRI)makesitthebestchoiceforfoodprocessingandinspectionfacilities.
• Awidevarietyoflampwattages:26W,32W,42W,52W,64W,84W.
• Electronicballastpermitslowoperatingcostswithpowerfactorgreaterthan99%.Alsoallowsflicker-freestarting.
• Coldweatherstartingtoaminimumtemperatureof0°F/-18°C.• Fixturesareavailableforoperationfromanexternal125Vdc
source.• Compact,light-weightlowprofiledesigncreateseaseof
installationandmaintenance.• Modulardesign,withmultiplemountinghoods,opticsand
reflectors,permitsawidearrayoffixturestomeetinstallationandlightingneeds.
• BodygasketsandopticgasketsarehightemperaturesiliconeO-Ringsthatprovidesuperiorsealing.
• Mountinghoodshaveahighhingeforaddedsafetyduringinstallationandservicing.
• Choiceofheat-resistantprismaticglassrefractor(NEMAI,IIIorV),heat-resistantclearglobes,colorglobesorpolymericrefractors(NEMAII,III,IVorV).(PolymericrefractorsarenotlistedforZone2.)
Standard Materials• Standarddomeor30°anglereflectors:highlyreflective
fiberglassreinforcedwhitepolyestertoprovidestrength,corrosionresistanceandexcellentphotometrics
• Fixturehousing,mountinghoods,andguards:die-cast,copperfree(4/10of1%max.)aluminumwithepoxyfinishforcorrosionresistance
• Exposedhardware:stainlesssteel.Latchassemblieshavestainlesssteelboltandcaptivenut;reflectorsandguardsattachwithstainlesssteelscrewsthreadingintostainlesssteelinserts
• Globesandglassrefractors:heat-resistantprismaticglass• Polymericrefractor:spunaluminumreflectorandalensmadeof
anengineeredthermoplastic
Standard Finishes• Epoxypowdercoatfinishelectrostaticallyappliedforcomplete,
uniformsurfaceprotection
Options• Fusecanbefieldinstalled.Kitsincludefuseblock,wire
connectorsandscrewsforattachmenttomountinghood.—FixtureswithfusesdonotcomplywithUL1598Aformarine
listing—CanadianElectricalCodedoesNOTallowfusingin
hazardouslocationsV• Guardswithgrayepoxypaintedtomatchfixtures,suppliedwith
stainlesssteelscrews.Addsuffix-G.• Reflectorsareavailableasstandarddomeand30°angle
polyester.Orderseparately.
Certifications and Compliances• ULStandard:UL1598,UL1598A,UL844,UL60079-0,UL
60079-15• ULListed:E10444• CSAStandard:C22.2No.250,C22.2No.137,CANE60079-0,
CANE60079-15• CSACertified:025428
Pendant Mount Fixture with Glass Globe
Ceiling Mount Fixture with Prismatic Glass Refractor
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
V CSA Certification Only.
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1055
Mercmaster™ III Low Profile Compact Fluorescent Luminaires Enclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Mercmaster™ III Low Profile Compact Fluorescent Luminaires Enclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
V CSA Certification Only.
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1056
Illustrated Features
Ballast AssemblyUtilizingnon-sparkingcomponentsavoidingtheignitionofgasesorvaporsthatmaybepresent(nA).
Hood/Ballast GasketSiliconerubbergasketsealsoutmoisture,dirtanddust.Staysflexible,withstandshightemperatures.Closuredesignassuresuniformgasketcompression.
Electrical ProtectionGroundwireprovidedtobondmountinghoodtoballasthousing.
Vented ReflectorsReflectorsarethick,toughfiberglass-reinforcedwhitepolyester,ventedforcooleroperation.Quicklyattachwithfurnishedstainlesssteelscrews.
Globe ChamberCompletelysealedfromtheballasthousingandoutsidevapors/air(nAnR).
Epoxy FinishBallasthousing,hoodsandguardsarecopperfreealuminumwithepoxypowdercoatfinish.
PhotocellInstallsthroughknock-outinmountinghoodsexceptconeandceilingmount.Providescontinuouson-offdusk-to-dawncontrol.Notforuseinhazardous(classified)areas.Hazardouslocationratedphotocellsalsoavailable.SeeAccessoriespage.
Terminal Blocks (Zone 2)Aseven-pointterminalblockisprovidedtofacilitatewiring.Terminalblockaccommodateswiresizerangingfrom#8to#24AWG.
Stainless Steel InsertsBallastbodieshavestainlesssteelthreadedinsertstoreceivestainlesssteelscrewsforreflectorsandguard.Prevents"freezing”,allowingguardsandreflectorstobeeasilyremovedandreplacedatanytime,withoutdamagetothehousing.
Cooler Operating Cone HoodLargerslopedsurfaceshedsdusts,dirtandcombustiblefibersprovidingbetterheatdissipation.
Prismatic Glass Globes and RefractorsHeat-resistantglobesandglassrefractorsandpolymericrefractorsthreaddirectlyintoballasthousingandsealagainstahightemperaturesiliconerubbergasket.(PolymericrefractorsarenotlistedforZone2areas.)
FusesTwoscrewssecurefusekittomountingbossinanyMercmastermountinghood.Fuseincluded.
Stainless Steel Latch AssemblyCaptive,stainlesssteellatchassemblyboltandnutclosessecurely,resistsattackofcorrosiveatmospheres.Swing-awaydesignsimplifiesservicing.
"Safety" High HingeExtra-highhingeprovidesadditionalprotectionagainstaccidentalballasthousingdisengagementduringinstallationormaintenance.
Pendant KPA-75 KPA-100
Pendant Cone KPCH-75 KPCH-100
Ceiling KPC-75 KPC-100
25° Stanchion KPS-125 KPS-150
90° Stanchion KPST-125 KPST-150
Wall Mount KPWB-75
KPWB-100
Globe or Polymeric Refractor
Ballast Housings MLBG32F (26 & 32W) MLBG64F (52 & 64W)
8" Glass Refractor Ballast Housings
MLBR26F (26W) MLBR32F (32W) MLBR52F (52W) MLBR64F (64W)
Standard DomeKR2-ST
Standard DomeCMR-4ST
30° AngleKR2-AN
30° AngleCMR-4AN
Polymeric RefractorsNEMA 2 LPRF-2CPNEMA 3 LPRF-3CPNEMA 4 LPRF-4CPNEMA 5 LPRF-5CP
Glass RefractorsNEMA 1 LPG-R1NEMA 3 LPG-R3NEMA 5 LPG-R5
Glass GlobesClear VPGL-2HRAmber VPGL-2AMBlue VPGL-2BLGreen VPGL-2GRRed VPGL-2RE
Aluminum GuardGlobe Guard
KGU2
Aluminum GuardGlass Refractor Guard
KRG2
Three-WayExit Sign
CJEXR
Ballast Housing
Polyester Reflectors Polyester Reflectors
Mounting Hoods
Globe or Polymeric Refractor
Ballast HousingsMLBG26FBU (26 W)MLBG32FBU (32 W)MLBG42FBU (42 W)MLBG52FBU (52 W)
MLBG57FBU (57 W) VMLBG64FBU (64 W)MLBG84FBU (84 W)
MLBG114FBU (114 W) V
8” Glass Refractor Ballast Housings
MLBR26FBU (26 W)MLBR32FBU (32 W)MLBR42FBU (42 W)MLBR52FBU (52 W)
MLBR57FBU (57W) VMLBR64FBU (64 W)MLBR84FBU (84 W)
MLBR114FBU (114 W) V
Mounting Hoods
PendantKPA-75 KPA-100
Pendant ConeKPCH-75 KPCH-100
CeilingKPC-75 KPC-100
25° StanchionKPS-75
KPS-100
90° StanchionKPST-75
KPST-100
Wall MountKPWB-75 KPWB-100
Ballast Housing
Polyester Reflectors
Standard DomeKR2-ST
Standard DomeCMR-4ST
30° AngleCMR-4AN
30° AngleKR2-AN
Glass GlobesClear VPGL-2HRAmber VPGL-2AMBlue VPGL-2BLGreen VPGL-2GRRed VPGL-2RE
Polymeric RefractorsNEMA II LPRF-2CPNEMA III LPRF-3CPNEMA IV LPRF-4CPNEMA V LPRF-5CP
Glass RefractorsNEMA I LPG-R1NEMA III LPG-R3NEMA V LPG-R5
Aluminum GuardGlobe Guard
KGU2
Three-WayExit Sign
Aluminum GuardGlass Refractor Guard
KRG2CJEXRN
Polyester Reflectors
V CSA Certification Only.
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1057
Mercmaster™ III Low Profile Compact Fluorescent Luminaire Family TreeEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Orderusingcatalognumberingguidebeloworselectcatalognumberfromtablesonfollowingpages.Catalog Numbering Guide For Zone 2 Mercmaster III Compact Fluorescent Luminaires
ML A F 84 2 G2 G BU L Z2
Series:ML-
MercmasterIII
LowProfile
LampType:F-Fluorescent
HubSize:2-3/4”NPT3-1”NPT4-1-1/4”NPT
Stanchion5-1-1/2”NPT
Stanchion
GuardOptions:G-CastGuard
(GlassRefractor&Globeonly)
N-NoGuard
LampOptions:L-Lamp(s)includedBlank-Lamp(s)
excluded
MountingHood:A-Pendant
(RigidorFlexible)C-CeilingD-PendantConeR-90ºStanchionS-25ºStanchionW-Wall
Wattage:26-One26WattPL-T32-One32WattPL-T42-One42WattPL-T52-Two26WattPL-T57-One57WattPL-TV64-Two32WattPL-T84-Two42WattPL-T114-Two57WattPL-TV
OpticalAssembly:➊G2-VPGL2HRGlobe
(notfor57,114Watt)G4-VPGL4HRGlobe
(57,114Wattonly)VJ1-NEMAIGlassRefractorJ3-NEMAIIIGlassRefractorJ5-NEMAVGlassRefractorP2-NEMAIIPolymericRefractorP3-NEMAIIIPolymeric
RefractorP4-NEMAIVPolymeric
RefractorP5-NEMAVPolymeric
Refractor
Voltage:BU-120to277V,
50/60Hzand125Vdc
A5-347V,60HzV
Suffix:DP-SafetyCableSC-SafetyChainZ2-Zone2Suffix
(RequiredforAExnAnRrating)
B-BatteryBack-up➍V (42Wmax.)
C-SafetyCableVF-FusedMtg.Hood➌V
(Non-Haz.Loc.only)P-Non-Haz.Photocell
(SpecifyVoltage)VQ-Division2Haz.
Photocell(SpecifyVoltage)V
T-TerminalBlocksVV-VibrationProtectionVX-Appledapter➋
MountingHoodAdapterV
Z-Zone2suffix(requiredforExnR)V
➊ Polymeric refractors suitable for Class II, Groups F & G; NEMA 4X; and Marine Type Electric Fixture Outside Type (Salt Water) only. Reflectors ordered separately (for use with globe fixtures only): Standard Dome: KR2-ST 30-degree Angle: KR2-AN➋ Appledapter is available for use with the pendant, ceiling and angled stanchion mounting only.➌ Canadian Electrical Code does NOT allow fusing in hazardous locations V.➍ Provides a minimum 90 minute back-up power supply in the case of a power loss. Will keep one lamp lit at approximately 50% of its full output (42 W maximum) V.V CSA Certification only.
Mercmaster™ III Low Profile Compact Fluorescent LuminairesEnclosed and Gasketed. For Hazardous and Wet Locations
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Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1058
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1059
Lamp Watts
Ambient Temp
(°F/°C) ➊
Class I, Division 2Class II, Division 1
Groups E, F and G ➋Simultaneous Exposure
(Class I, Div 2 and Class II, Division 1)
GlobeGlobe &
ReflectorGlass
RefractorPolymeric Refractor Globe
Globe & Reflector
Glass Refractor
Polymeric Refractor Globe
Globe & Reflector
Glass Refractor
Polymeric Refractor
26 104/40 T3 T3 T3 — T5 T5 T5 T6 T3 T3 T3 —
32 104/40 T3 T3 T3 — T5 T5 T5 T6 T3 T3 T3 —
42 104/40 T3 T3 T3 — T5 T5 T5 T6 T3 T3 T3 —
52 104/40 T2D T2D T3 — T4A T4A T4A T6 T2C T2C T2C —
52 151/55 T2C T2C T2C — T4 T4 T4 — T2C T2C T2C —
57V 104/40 T2D T2D T3 — T4A T4A T4A T6 — — — —
64 104/40 T2D T2D T3 — T4A T4A T4A T6 T2C T2C T2C —
64 151/55 T2C T2C T2C — T4 T4 T4 — — — — —
84 104/40 T2C T2C T2D — T3C T3C T3C T6 T2B T2B T2B —
114V 104/40 T2C T2C T2D — T3C T3C T3C T6 — — — —
“T” Numbers Represent the Maximum Lamp Temperature for Class I, Division 2 Locations and Maximum Surface Temperature Under Dust Blanket for Class II, Division 1 Locations.
“T” Number T1 350 325 T2 T2A T2B T2C T2D T3 T3A T3B T3C T4 T4A T5 T6
Temp. Range (˚ºF)664-842
619-662
574-617
538-572
502-536
448-500
421-446
394-419
358-392
331-356
322-329
277-320
250-275
214-248
187-212 185
Temp. Range (°C)351-450
326-350
301-325
281-300
261-280
231-260
216-230
201-215
181-200
166-180
161-165
136-160
121-135
101-120
86-100 85
Mercmaster™ III Low Profile Compact Fluorescent Luminaire Thermal PerformanceClass I, Division 2; Class II, Division 1; Simultaneous Exposure to Hazardous ConditionsTemperature identification numbers of Mercmaster III Low Profile Fluorescent Fixtures
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Lamp Watts
Supply Wire Temp. (°F/°C)
Ambient Temp. (°F/°C)
Class I, Zone 2, AEx nA nR — Ex nRGlobe Globe & Reflector Refractor
26 167/75 104/40 T5 T5 T6
32 167/75 104/40 T5 T5 T6
42 167/75 104/40 T5 T5 T6
52 167/75 104/40 T5 T5 T6
52 167/75 131/55 T4 T4 T4
57V 167/75 104/40 T6 T6 T6
64 167/75 104/40 T5 T5 T6
64 167/75 131/55 T4 T4 T4
84 167/75 104/40 T5 T5 T6
114V 167/75 104/40 T6 T6 T6
“T” Numbers Represent the Maximum Surface Temperature for Luminaries with AEx nA nR Rating
“T” Number T1 T2 T3 T4 T5 T6
Temperature Range (˚ºF)
574-842 394-572 277-392 214-275 187-212 185
Temperature Range (°C)
301-450 201-300 136-200 101-135 86-100 85
➊Use 167 °F/75 °C rated supply wire.➋ Fixtures with Polymeric Refractor are listed for Groups F and G only.V CSA Certification only.
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Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1060
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Hub Size
(Inches)
Catalog Numbers ➋➌
Lamp Watts
With Globe ➊➍
With Type V 8” Glass Refractor ➊➍➎
With Type V Polymeric Refractor ➏
Pendant — One Hub (Rigid or Flexible Mounting)
1x26W3/4 MLAF262G2N MLAF262J5N MLAF262P5N
1 MLAF263G2N MLAF263J5N MLAF263P5N
1x32W3/4 MLAF322G2N MLAF322J5N MLAF322P5N
1 MLAF323G2N MLAF323J5N MLAF323P5N
1x42W3/4 MLAF422G2N MLAF422J5N MLAF422P5N
1 MLAF423G2N MLAF423J5N MLAF423P5N
2x26W3/4 MLAF522G2N MLAF522J5N MLAF522P5N
1 MLAF523G2N MLAF523J5N MLAF523P5N
1x57W3/4 MLAF572G4N V MLAF572J5N V MLAF572P5N V
1 MLAF573G4N V MLAF572J5N V MLAF572P5N V
2x32W3/4 MLAF642G2N MLAF642J5N MLAF642P5N
1 MLAF643G2N MLAF643J5N MLAF643P5N
Shown with Glass Globe 2x42W3/4 MLAF842G2N MLAF842J5N MLAF842P5N
1 MLAF843G2N MLAF843J5N MLAF843P5N
2x57W3/4 MLAF1142G4N V MLAF1142J5N V MLAF1142P5N V
1 MLAF1143G4N V MLAF1143J5N V MLAF1143P5N V
Pendant Cone — One Hub (Rigid or Flexible Mounting)
1x26W3/4 MLDF262G2N MLDF262J5N MLDF262P5N
1 MLDF263G2N MLDF263J5N MLDF263P5N
1x32W3/4 MLDF322G2N MLDF322J5N MLDF322P5N
1 MLDF323G2N MLDF323J5N MLDF323P5N
1x42W3/4 MLDF422G2N MLDF422J5N MLDF422P5N
1 MLDF423G2N MLDF423J5N MLDF423P5N
2x26W3/4 MLDF522G2N MLDF522J5N MLDF522P5N
1 MLDF523G2N MLDF523J5N MLDF523P5N
1x57W3/4 MLDF572G4N V MLDF572J5N V MLDF572P5N V
1 MLDF573G4N V MLDF573J5N V MLDF573P5N V
2x32W3/4 MLDF642G2N MLDF642J5N MLDF642P5N
1 MLDF643G2N MLDF643J5N MLDF643P5N
Shown with 8” Glass Refractor 2x42W3/4 MLDF842G2N MLDF842J5N MLDF842P5N
1 MLDF843G2N MLDF843J5N MLDF843P5N
2x57W3/4 MLDF1142G4N V MLDF1142J5N V MLDF1142P5N V
1 MLDF1143G4N V MLDF1143J5N V MLDF1143P5N V
➊For fixtures with guard, substitute G for N before adding voltage suffix.➋ Add voltage suffix -BU for 120 through 277 V, 50/60 Hz and 125 Vdc. Add voltage suffix -A5 for 347 V, 60 Hz. ➌Add L after voltage suffix to include lamp.➍Add Z2 suffix for factory-sealed non-sparking/restricted breathing protection (Aex nA nR).➎To order fixture with NEMA Type I or III glass refractor, change J5 to J1 or J3 respectively.➏To order fixture with NEMA Type II, III, or IV polymeric refractor, change P5 to P2, P3 or P4 respectively. Polymeric refractor fixtures are UL Listed and CSA
Certified for Class II, Division 1 and 2, Groups F and G; Class III; Marine Outdoor Salt Water (UL1598A); NEMA 4X and CSA Type 4X.V CSA Certification only.
Mercmaster™ III Low Profile Compact Fluorescent LuminairesEnclosed and Gasketed. For Hazardous and Wet LocationsHigh Power Factor Electronic Ballast (Min. P.F. 99%), PL-T Lamps.
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
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1061
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Hub Size
(Inches)
Catalog Numbers ➋➌
Lamp Watts
With Globe ➊➍
With Type V 8” Glass Refractor ➊➍➎
With Type V Polymeric Refractor ➏
Ceiling — Five Hubs, Four Close-Up Plugs
1x26W3/4 MLCF262G2N MLCF262J5N MLCF262P5N
1 MLCF263G2N MLCF263J5N MLCF263P5N
1x32W3/4 MLCF322G2N MLCF322J5N MLCF322P5N
1 MLCF323G2N MLCF323J5N MLCF323P5N
1x42W3/4 MLCF422G2N MLCF422J5N MLCF422P5N
1 MLCF423G2N MLCF423J5N MLCF423P5N
2x26W3/4 MLCF522G2N MLCF522J5N MLCF522P5N
1 MLCF523G2N MLCF523J5N MLCF523P5N
1x57W3/4 MLCF572G4N V MLCF572J5N V MLCF572P5N V
1 MLCF573G4N V MLCF573J5N V MLCF573P5N V
2x32W3/4 MLCF642G2N MLCF642J5N MLCF642P5N
1 MLCF643G2N MLCF643J5N MLCF643P5N
Shown with Polymeric Refractor 2x42W3/4 MLCF842G2N MLCF842J5N MLCF842P5N
1 MLCF843G2N MLCF843J5N MLCF843P5N
2x57W3/4 MLCF1142G4N V MLCF1142J5N V MLCF1142P5N V
1 MLCF1143G4N V MLCF1143J5N V MLCF1143P5N V
Wall Bracket — Five Hubs, Four Close-Up Plugs
1x26W3/4 MLWF262G2N MLWF262J5N MLWF262P5N
1 MLWF263G2N MLWF263J5N MLWF263P5N
1x32W3/4 MLWF322G2N MLWF322J5N MLWF322P5N
1 MLWF323G2N MLWF323J5N MLWF323P5N
1x42W3/4 MLWF422G2N MLWF422J5N MLWF422P5N
1 MLWF423G2N MLWF423J5N MLWF423P5N
2x26W3/4 MLWF522G2N MLWF522J5N MLWF522P5N
1 MLWF523G2N MLWF523J5N MLWF523P5N
1x57W3/4 MLWF572G4N V MLWF572J5N V MLWF572P5N V
1 MLWF573G4N V MLWF573J5N V MLWF573P5N V
2x32W3/4 MLWF642G2N MLWF642J5N MLWF642P5N
1 MLWF643G2N MLWF643J5N MLWF643P5N
Shown with 8” Glass Refractor 2x42W3/4 MLWF842G2N MLWF842J5N MLWF842P5N
1 MLWF843G2N MLWF843J5N MLWF843P5N
2x57W3/4 MLWF1142G4N V MLWF1142J5N V MLWF1142P5N V
1 MLWF1143G4N V MLWF1143J5N V MLWF1143P5N V
➊For fixtures with guard, substitute G for N before adding voltage suffix.➋ Add voltage suffix -BU for 120 through 277 V, 50/60 Hz and 125 Vdc. Add voltage suffix -A5 for 347 V, 60 Hz. ➌Add L after voltage suffix to include lamp.➍Add Z2 suffix for factory-sealed non-sparking/restricted breathing protection (Aex nA nR).➎To order fixture with NEMA Type I or III glass refractor, change J5 to J1 or J3 respectively.➏To order fixture with NEMA Type II, III, or IV polymeric refractor, change P5 to P2, P3 or P4 respectively. Polymeric refractor fixtures are UL Listed and CSA
Certified for Class II, Division 1 and 2, Groups F and G; Class III; Marine Outdoor Salt Water (UL1598A); NEMA 4X and CSA Type 4X.V CSA Certification only.
Mercmaster™ III Low Profile Compact Fluorescent LuminairesEnclosed and Gasketed. For Hazardous and Wet LocationsHigh Power Factor Electronic Ballast (Min. P.F. 99%), PL-T Lamps.
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1061A
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Hub Size
(Inches)
Catalog Numbers ➋➌
Lamp Watts
With Globe ➊➍
With Type V 8” Glass Refractor ➊➍➎
With Type V Polymeric Refractor ➏
25° Stanchion
1x26W3/4 MLSF264G2N MLSF264J5N MLSF264P5N
1 MLSF265G2N MLSF265J5N MLSF265P5N
1x32W3/4 MLSF324G2N MLSF324J5N MLSF324P5N
1 MLSF325G2N MLSF325J5N MLSF325P5N
1x42W3/4 MLSF424G2N MLSF424J5N MLSF424P5N
1 MLSF425G2N MLSF425J5N MLSF425P5N
2x26W3/4 MLSF524G2N MLSF524J5N MLSF524P5N
1 MLSF525G2N MLSF525J5N MLSF525P5N
1x57W3/4 MLSF574G4N V MLSF574J4N V MLSF574P4N V
1 MLSF575G4N V MLSF575J4N V MLSF575P4N V
2x32W3/4 MLSF644G2N MLSF644J5N MLSF644P5N
1 MLSF645G2N MLSF645J5N MLSF645P5N
Shown with Glass Globe 2x42W3/4 MLSF844G2N MLSF844J5N MLSF844P5N
1 MLSF845G2N MLSF845J5N MLSF845P5N
2x57W3/4 MLSF1144G4N V MLSF1144J4N V MLSF1144P4N V
1 MLSF1145G4N V MLSF1145J4N V MLSF1145P4N V
90° Stanchion
1x26W3/4 MLRF264G2N MLRF264J5N MLRF264P5N
1 MLRF265G2N MLRF265J5N MLRF265P5N
1x32W3/4 MLRF324G2N MLRF324J5N MLRF324P5N
1 MLRF325G2N MLRF325J5N MLRF325P5N
1x42W3/4 MLRF424G2N MLRF424J5N MLRF424P5N
1 MLRF425G2N MLRF425J5N MLRF425P5N
2x26W3/4 MLRF524G2N MLRF524J5N MLRF524P5N
1 MLRF525G2N MLRF525J5N MLRF525P5N
1x57W3/4 MLRF574G4N V MLRF574J4N V MLRF574P4N V
1 MLRF575G4N V MLRF575J4N V MLRF575P4N V
2x32W3/4 MLRF644G2N MLRF644J5N MLRF644P5N
1 MLRF645G2N MLRF645J5N MLRF645P5N
Shown with Polymeric Refractor 2x42W3/4 MLRF844G2N MLRF844J5N MLRF844P5N
1 MLRF845G2N MLRF845J5N MLRF845P5N
2x57W3/4 MLRF1144G4N V MLRF1144J4N V MLRF1144P4N V
1 MLRF1145G4N V MLRF1145J4N V MLRF1145P4N V
➊For fixtures with guard, substitute G for N before adding voltage suffix.➋ Add voltage suffix -BU for 120 through 277 V, 50/60 Hz and 125 Vdc. Add voltage suffix -A5 for 347 V, 60 Hz. ➌Add L after voltage suffix to include lamp.➍Add Z2 suffix for factory-sealed non-sparking/restricted breathing protection (Aex nA nR).➎To order fixture with NEMA Type I or III glass refractor, change J5 to J1 or J3 respectively.➏To order fixture with NEMA Type II, III, or IV polymeric refractor, change P5 to P2, P3 or P4 respectively. Polymeric refractor fixtures are UL Listed and CSA
Certified for Class II, Division 1 and 2, Groups F and G; Class III; Marine Outdoor Salt Water (UL1598A); NEMA 4X and CSA Type 4X.V CSA Certification only.
Mercmaster™ III Low Profile Compact Fluorescent LuminairesEnclosed and Gasketed. For Hazardous and Wet LocationsHigh Power Factor Electronic Ballast (Min. P.F. 99%), PL-T Lamps.
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1061B
Ballast Bodies
Catalog Numbers
Lamp Wattage
For Glass Globe or Polymeric Refractor ➊➋
For Glass Refractor ➋
Compact PL-T Fluorescent — 120 V to 277 V, 50/60 Hz and 125 Vdc
1x26W MLBG26FBU MLBR26FBU
1x32W MLBG32FBU MLBR32FBU
1x42W MLBG42FBU MLBR42FBU
2x26W MLBG52FBU MLBR52FBU
1x57W — MLBR57F V
2x32W MLBG64FBU MLBR64FBU
Ballast Body for Glass Globe or Polymeric Refractor ➊
Ballast Body for Glass Refractor
2x42W MLBG84FBU MLBR84FBU
2x57W — MLBR114F V
➊ Polymeric refractor not listed for Class I, Zone 2 areas.➋ Add voltage suffix -BU for 120 through 277 V, 50/60 Hz and 125 Vdc. Add voltage suffix -A5 for 347 V, 60 Hz.V CSA Certification only.
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
Mercmaster™ III Low Profile Compact Fluorescent Luminaire Ballast BodiesEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Description Hub Size (Inches) Catalog Number
Pendant
OneHub,RigidorFlexibleMounting
3/4 KPA-75
1 KPA-100
Pendant Cone
FiveHubs,FourClose-UpPlugs
3/4 KPCH-75
1 KPCH-100
Ceiling
FiveHubs,FourClose-UpPlugs
3/4 KPC-75
1 KPC-100
Wall
FiveHubs,FourClose-UpPlugs
3/4 KPWB-75
1 KPWB-100
25° Stanchion
OneHub 1-1/4 KPS-125
1-1/2 KPS-150
90° Stanchion
OneHub 1-1/4 KPST-125
1-1/2 KPST-150
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Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1062
Mercmaster™ III Low Profile Compact Fluorescent Luminaire Mounting HoodsEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Item Description Catalog Number ➌
White Polyester Reflectors
Standard Dome
ForGlobeFixtures
StandardDome KR2-ST
30°Angle KR2-AN
30° Angle Dome
ForGlassRefractorFixtures➊
StandardDome CMR-4ST ➋
30°Angle CMR-4AN ➋
Prismatic Glass Globes — Heat-Resistant ➌
Clear VPGL-2HR
Amber➍ VPGL-2AM
Blue➍ VPGL-2BL
Green➍ VPGL-2GR
Red➍ VPGL-2RE
Clear—57/114WattV VPGL-4HR
Closed Prismatic Glass Refractors — All Heat-Resistant ➌
NEMATypeI LPG-R1
NEMATypeIII LPG-R3
NEMATypeV LPG-R5
Closed Prismatic Polymeric Refractors — Not Listed for Class I, Zone 2 Areas
NEMATypeII LPRF-2CP
NEMATypeIII LPRF-3CP
NEMATypeIV LPRF-4CP
NEMATypeV LPRF-5CP
Guards
GlobeGuard KGU2
GlassRefractorGuard KRG2
Globe Guard Glass Refractor Guard
Globe Guard for 57 W Only
GlobeGuard—57/114WV KPGU400
➊ Fixtures with refractors are not UL Listed when used with reflectors.➋ Standard dome reflectors may interfere with bottom conduit entry if used with KPST and KPWB mounting hoods.➌ Silicone or Teflon V coated globes are available. Contact your local sales representative.➍ Non hazardous rated globes for special applications.V CSA Certification only.
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1063
Mercmaster™ III Low Profile Compact Fluorescent Luminaire AccessoriesEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Item Description Catalog Number
Replacement Optic Gaskets — Silicone rubber
GlobeandPolymericRefractorGasket VPGL-GK
GlassRefractorGasket KRF-GK
Replacement Lamp
Mercmaster III Low Profile Compact Fluorescent
Lamp Type Lamp Base Wattage Catalog Number
PL-T GX24q-3 26 PLT26
PL-T GX24q-3 32 PLT32
PL-T GX24q-4 42 PLT42
PL-T GX24q-5 57 PLT57 V
Replacement Socket
For26W,32Wand42WPLTLampslistedabove PLT32RS
For57WPLTLamp PLT57RS V
Three-Way Exit Sign ➊
Epoxyenameledsteel–6”/152.4mmhighredlettering CJEXRN
MountstoGlobeBallastHousinginplaceofguard.
Single Sided Exit Sign ➊
Epoxyenameledsteel–6”/152.4mmhighredlettering AEXR-15R
MountstoGlobeBallastHousinginplaceofguard
Retrofit Pendant Mounting Adapter
PermitsuseofMercmasterIIIpendanthoodwith3/4”hubonexistingV-51mountinghood
LPAD-1
Fuse Kit ➋
2-Amptimedelayfuse MLF2
➊ Consult your local sales representative for classified area suitability. Not listed for Zone 2 areas.➋ Canadian Electrical Code does NOT allow fusing in hazardous locations V.V CSA Certification only.
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Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1064
Mercmaster™ III Low Profile Compact Fluorescent Luminaire AccessoriesEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Line Voltage Type of Ballast Starting and Operating Amps Total Watts
26 Watt PL-T Fluorescent120 Electronic .250 28277 Electronic .110 28347 Electronic .080 27
32 Watt PL-T Fluorescent120 Electronic .300 36277 Electronic .130 36347 Electronic .150 36
42 Watt PL-T Fluorescent120 Electronic .410 48277 Electronic .180 48347 Electronic .140 43
52 Watt PL-T Fluorescent120 Electronic .460 56277 Electronic .220 56347 Electronic .170 54
57 Watt PL-T Fluorescent V120 Electronic .480 58277 Electronic .210 57347 Electronic .180 61
64 Watt PL-T Fluorescent120 Electronic .580 69277 Electronic .260 69347 Electronic .190 66
84 Watt PL-T Fluorescent120 Electronic .760 91277 Electronic .320 91347 Electronic .280 86
114 Watt PL-T Fluorescent V120 Electronic .960 116277 Electronic .420 114347 Electronic .360 122
Fuse catalog number: MLF2 (1 required for 120 V or 277 V) – 2-Amp fuse, time delay.Minimum starting temperature: 0 °F/-18 °C
Energy Efficiency and Lamp Life Comparison Lumen Output Comparison
Lamp Type Watts LumensRated Average
Life (Hours) Light Output as Function of Temperature
Incandescent 100 1750 750
Degrees F
RelativeLight
Output %
PL-T(Amalgam)Quad ---
Incandescent 150 2880 750
Incandescent 200(PS-25,PS-30) 3710 750
Incandescent 200(A-23) 4010 750
PL-TFluorescent 26 1800 10,000
PL-TFluorescent 32 2400 10,000
PL-TFluorescent 42 3200 10,000
PL-TFluorescent 52 3600 10,000
PL-TFluorescent 57V 4300 12,000
PL-TFluorescent 64 4800 10,000
PL-TFluorescent 84 6400 10,000
PL-TFluorescent 114V 8600 12,000 Highlumenoutputoftheamalgamtechnologylampvs.thereducedlightoutputatvariabletemperaturesfromatypicalcompactfluorescentlamp.V CSA Certification only.
Class I, Division 2, Groups A, B, C, DClass 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, GClass IIISimultaneous Exposure (Class I, Division 2/ Class II, Division 1)
Fixtures Outside Type (Salt Water)Type 4XIP66
LightingLighting: EncLosEd and gaskEtEd — arEa — FLuorEscEnt
Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1065
Mercmaster™ III Low Profile Compact Fluorescent Luminaire Electrical SpecificationsEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.
Accessory Weights ➊
Ballast Housings and Mounting Hoods Wt. Lbs/Kgs
Refractors, Globe, Guards and Reflectors Wt. Lbs/Kgs
Pendant 2.25/1.0 8”GlassRefractor 5.25/2.4PendantCone 2.50/1.1 GlassGlobe 3.75/1.7Ceiling 3.00/1.4 GlassGlobe—57/114WV 8.35/3.8WallMount 4.00/1.8 PolymericRefractor➋ 2.43/1.125°Stanchion 3.25/1.5 GlassRefractorGuard 1.00/0.590°Stanchion 3.75/1.7 GlobeGuard 1.00/0.5Globe/PolymericRefractorHousing 5.60/2.5 GlobeGuard—57/114WV 2.00/0.9GlassRefractorHousing 6.50/2.9 StandardDome 2.50/1.1
30°Angle 2.50/1.1ExitSign➋ 5.00/2.3
➊ Weights are approximate. ➋ Not listed for Class I, Zone 2 areas.V CSA Certification only.
Dimensions
Pendant Pendant Cone Ceiling 25 Stanchion1.17"/
29.7mm12.06"/306.3mm
12.06"/306.3mm
5.59"/142.0mm
13.62"/346.9mm12.06"/
306.3mm
1.75"/44.5mm
9.25”/
235.0m
m
7.59”/
192.8m
m
15.27”
/
387.9m
m2.0
0”/
50.8m
m
25°
Set
Screw
12.03”
/
305.6m
mWall Mount
17.00"/431.8mm
10.93”/277.6mm
12.03”/305.6mm Polyester Reflector
17.23”/437.6mm
9.79”/248.7mm
12.03”/305.6mm
5.90"/149.9mm
18.70"/475.0mm
2.75"/69.9mm
10.17"/258.3mm
17.06"
/
433.3m
m
Globe or Polymeric Refractor Ballast Housing
8" Glass Refractor Ballast Housing
13.38"/339.9mm
2.48"/63.0mm
3.04"/77.2mm
5.50"/139.7mm11.12"/
282.4mm
13.38"/339.9mm
3.04"/77.2mm
7.75"/196.9mm11.12"/
282.4mm
Globe and Refractors Aluminum Guards5.50"/
139.7mm
8.00"/203.2mm
4.50"/114.3mm
5.50"/139.7mm
12.38"/314.5mm
10.75"/237.1mm
7.75"/196.9mm
7.25"/184.2mm
6.75"/171.5mm
7.94"/201.6mm
8.50"/215.9mm
5.88"/149.4mm
11.00"/279.4mm
7.50"/190.5mm
8.88"/225.6mm
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Visit our website at www.appletonelec.com or contact us at (800) 621-1506. © January 2011
1066
Mercmaster™ III Low Profile Compact Fluorescent Luminaire DimensionsEnclosed and Gasketed. For Hazardous and Wet LocationsCompact Fluorescent listed for simultaneous exposure to combustible dusts and flammable gases or vapors.