Cut Sheet

ELS Series Emergency Lighting System
Explosionproof, Dust-Ignitionproof
Remote and direct mounted fixtures for hazardous location applications
Applications
• ELSSeriesfeaturesanemergencylightingpowerunitthatis
designedtoprovidesafeoperationinthepresenceofhazardous
gases,vaporsordusts,denedbytheNationalElectricalCode
asClassI,GroupsCandD,andClassII,GroupsE,FandG.
• Typicalapplicationsincludeallmeansofegress(suchas
walkways,exitramps,stairsandaisles)forhazardousareas
whichincludeoilreneries,petrochemicalfacilities,pulpand
papermills,chemicalstorageareas,wastewatertreatment
facilitiesandgrainelevators.
Features
• Theelectronicsconsistofasolid-statecharger,transfercircuit
andlow-voltagebatterydisconnectcircuit.
• TheunittestswitchandAC“On”indicatorlightarehousedin
aseparatemodulethatmaybeattacheddirectlytotheunit
housingormountedremotelyforeaseoftesting.
• AllELSSeriesunitsareratedforoperationinNECClassI,
Division1and2,GroupsCandD;andClassII,Division1and2,
GroupsE,F,andGenvironments.
• Housingprovisionsallowfortheattachmentoftwooptional
explosionprooflightingxtures.
• Unitcapacityissufcientfortheconnectionofuptofour6-or
12-volt,18-wattxtures.
• Unitsprovide90minutesofemergencyoperation.
• Thesolid-statechargermaintainsbatteryatfullcharge.
• Uponfailureofutilityvoltage,theDCemergencylightingloadis
connectedtothebattery.
• Duringemergencyoperation,automaticbatteryprotectionfrom
deepdischargedamageisprovidedbyalow-voltagebattery
disconnect(LVD)circuit.
• Uponrestorationofnormalpower,thechargerwillbegina
rechargecycle.Itwillbringthebatterytofullcapacitywithin
acceptableULtimestandards.
• ApilotlightindicatesthepresenceofAClinevoltage,andatest
switchisprovidedforcheckingtransferoperation.Lock-out
typeguardonpushbuttonacceptslockswithupto1/4”/6.5
mmhasp.
• Auniversaltransformerallowsoperationon120or277Vac
lines.
• Emergencypowersourceisamaintenance-free,sealed,
pure-leadbatterysuitedforharshtemperatureenvironments
for32°Fto104°F/0°Cto40°C.
 —Nevernecessarytoaddwater.
 —Expectedlifeis10years
 —Compactindesign
• Standardilluminationisprovidedduringpowerfailureonlyusing
xturesspeciallydesignedforemergencylightinginhazardous
environments,suppliedwithdoublecontactbayonetbase18-
or28-wattincandescentlamps.
• Designedforeasyinstallation.Providedwith4mountingholes
forattachmenttoawallorothersuitablesurface.Mounting
hardwarenotincluded.
• Housingisdrilledandtappedforinstallationofutility
1/2”/12.7mmNPTconduit.
• Quickaccesstointernalwiringandcomponentsisprovided
bythread-oncover.
• Allnecessaryttingsfortestswitch/pilotlightmodule
suppliedstandard.
Standard Materials
• Batteryenclosure,xtures,guardsandpendantmount:
copperfree(4/10of1%max.)aluminum.
• Ceilingandbracketmounts:malleableironwithaluminum
adapter
• Reectors:porcelainenameledsteel
• TestSwitch:copperfree(4/10of1%max.)aluminumwith
stainlesssteelhardware
Standard Finishes
• Enclosure,xturesandteststation:epoxypowdercoat
nishelectrostaticallyappliedforcompleteanduniform
surfaceprotection
• Reectors:whiteporcelainenamel
Options
• Thexturemaybeadaptedtoserveasanexitsignthroughuse
ofanAuxiliaryExitHousing.
• TimeDelayRelay(15minutes)availabletopermitnormal
lightingtore-establishbrightness.Addsufx-T1for120Vac,or
-T2for277Vac.
Certifications and Compliances
• ULStandard:UL924,UL844,UL1598
• ULListed:175025
Class I, Division 1 and 2, Groups B*, C, D
Class II, Division 1 and 2, Groups E, F, G
Class III
* Contact your sales representative for Class I, Group B rating.
Lighting
Lighting: ExpLosionprooF — EmErgEncy
Visit our website at www.appletonelec.com or contact us at [phone].
© September 2010
1327