Installationand
Operation
EmergencyPowerOffSystem
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TableofContents
IMPORTANTSAFETYINSTRUCTIONSSAVETHESE
INSTRUCTIONS...............................................................................................................1
SafetyInstructionsforNorthAmerica...................................................................1
SafetyInstructionsforEurope,MiddleEast,andAfrica...................................2
Specications...................................................................................................................3
Overview..............................................................................................................................4
EmergencyPowerOffSystem..................................................................................4
EPOBoxComponents................................................................................................4
Installation..........................................................................................................................6
PreparetheEPO...........................................................................................................6
MounttheEPO(RunningConduitsorCablesAlongtheWall).......................6
MounttheEPO(runningconduitsorcablesbehindthewall).........................7
ConnectDevicestotheEPOBox............................................................................9
MountAdditionalEPOBoxes...................................................................................10
CascadeMultipleEPOBoxes...................................................................................10
CascadetheAPCDeviceswithCAT-5Cables............................................................11
CascadetheAuxiliaryDevicewithWirePairs...........................................................12
DirectWiringAlternative............................................................................................12
VerifyConnectionsateachEPOBox.....................................................................12
Operation............................................................................................................................14
EngagetheSystem......................................................................................................14
ResettheEPOSystem................................................................................................14
ResettheEquipment...................................................................................................15
WiringDiagram................................................................................................................16
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IMPORTANTSAFETYINSTRUCTIONS
SAVETHESEINSTRUCTIONS
Thismanualcontainsimportantinstructionsthatshouldbefollowedduringinstallation,operation,and
maintenanceoftheEPOsystem.
SafetyInstructionsforNorthAmerica
WARNING:Onlycertiedelectriciansmayinstallthesystemandthewiringtothe
productsITcontrols.
WARNING:Assemblyhasnotbeenevaluatedforemergencylifecriticalapplications,
butisintendedforemergencyequipmentpoweroff.
Note:WiringfromthesystemtotheproductsITcontrolscaneitherbeinstalledinconduits
orinstalledwithoutconduitsifthewiresareinaccordancewithArticle725oftheNational
ElectricalCode(NFPA70)andSection16oftheCanadianElectricalCode(C22.1).
Caution:OnlyClass2circuitsrated30Vorlesscanbeconnectedtoterminals1–8.Class2
circuitsaredenedinArticle725oftheNationalElectricalCode(NFP A70)andSection16
oftheCanadianElectricalCode(C22.1).AClass2circuitisasourcehavinglimitedvoltage
andenergycapacityasfollows:
A.IfanInherentlyLimitedPowerSource,voltageislimitedto30V ACor30VDC,and
energyislimitedto8A.
B.IfnotanInherentlyLimitedPowerSource,voltageislimitedto30V ACor30VDC,
energyislimitedto250V A,andcurrentislimitedto1000/Vmax.Thefuseislimited
to5Aifmaximumvoltageis20V ,or100/Vmaxifvoltageisgreaterthan20V
butlessthan30V .
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SafetyInstructionsforEurope,MiddleEast,andAfrica
WARNING:Onlycertiedelectriciansmayinstallthesystemandthewiringtothe
productsITcontrols.
WARNING:Assemblyhasnotbeenevaluatedforemergencylifecriticalapplications,
butisintendedforemergencyequipmentpoweroff.
Note:WiringfromthesystemtotheproductsITcontrolscaneitherbeinstalledinconduits
orinstalledwithoutconduitsifthewiresareinaccordancewithIEC/EN60364-5-52or
equivalentlocalelectriccode.
Caution:EPOcanbeachievedwitheitheracontactclosureorapplicationofanexternal
24VACor24VDCfromaSELVorPELVsource.Itisimportanttonotethathazardous
voltagefromthemainsvoltagemustbeisolatedfromthecontactclosureor24VAC,24
VDC.TheEPOcircuitcontactclosure,the24V AC,orthe24VDCareconsideredSELV
circuitsasdenedinEN60950“SafetyofInformationTechnologyEquipment”orPEL V
circuitsasdenedinIEC60364-4-41“ElectricalInstallationsofBuildingsProtectionfor
Safety—ProtectionAgainstElectricShock.”SEL VisanabbreviationforSafetyExtraLow
V oltage.PEL VisanabbreviationforProtectiveExtraLowV oltage.SELVandPEL V
circuitsareisolatedfromthemainsthroughasafetyisolatingtransformer,anddesignedso
thatunderisolatedfromthemainsthroughasafetyisolatingtransformer,anddesignedso
thatundernormalconditionsthevoltageislimitedto42.4Vpeakor60VDC.
2
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Specications
Electrical
Input/Output
V oltage
Current1Aat24VDC
Frequency
Circuits(qty)
Contactstate
Physical
Dimensions(W×L×D)
EPObox226×251×66mm(8.9×9.9×2.6in)
Shipping305×305×140mm(12×12×5.5in)
Weight
EPObox2.9kg(6.4lb)
Shipping3.1kg(6.9lb)
24VDC
48VDC/240VAC(Externalcircuit)
1Aat48VDC(Externalcircuit)
50/60Hz
9
NormallyOpen(NO)
MountingSurfacemount
ConnectionRemovablepanelsinrear,13mm(½in)and6mm(¾in)knockoutsontopand
bottom
PushbuttonStandard,22mmmetallicbody;40mmmushroomhead;Push/pull
Wireconnections0.10to0.75mm²(24to18AWG)wiregroundstudfor#8ringlug
Environmental
Temperature
Humidity5to95%,non-condensing
Elevation3000m(10000ft)
–5to45°C(23to113°F)
Compliance
StandardsNFPA70,NFP A75,NECArticle645,29CFR1910.36,29CFR1910.306
Approvals
UL,C-UL,CE
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Overview
EmergencyPowerOffSystem
TheEmergencyPowerOff(EPO)Systemconsistsofoneormorewall-mounted,push-buttonEPOboxes.
EachEPOboxprovidesasinglepointofequipmentshutdownforuptoeightAPCdevicesandone
third-partydevice(suchasanupstreambreaker),usingNormallyOpen(NO)contactclosureconnections.
AnEPOboxcanbecascadedwithotherEPOboxestosupportmultiplepointsofequipmentshutdown.
Note:AlthoughtheEPOisdesignedspecicallyforAPCproducts,thesystemcanbeused
fortrippinganydevicesthatfallwithinitsparameters.See“Specications“toconrm
properapplication.InstalltheEPOaccordingtotheinstructionsinthismanual.
EPOBoxComponents
1
2
3
4
5
6
7
8
9
Flag
Button
Shield
Knockouts
Mountingholes
Blankingpanels
Wireanchors
Auxiliarydevice
terminal
Deviceterminalblock
10
11
12
13
4
Cascadingjacks
Wiringcheckpoints
Groundstud
Cableclamps
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