APC Smart-UPS VT - EPO in Single Systems

EPOinSingleSystems
ConnecttheEPOcableusingoneofthefollowingfourwiringcongurations.
Note:Useonly1-1½mm²copperwirefortheconnectionoftheEmergencyPowerOff
(EPO)andotheroptionalequipment.
Note:TheUPSmustbeconnectedtoeitheradrycontactora24VDCEPO(Emergency
PowerOff)switch.
Note:TheexternalEPO+24VDC,1500mAcircuitcanbesuppliedthroughothervendors.
1.DryContactsNormallyOpen:EPOis
activatedwhenpin1isconnectedtopins3and
5.Connections:2-4-6,3-5,and1(Normally
Open).
2.+24VNormallyOpen:EPOisactivated
whenanisolatedSELV24VDCvoltageis
suppliedonpin1withreferencetopin2.
Connections:3-5and4-6.
3.DryContactsNormallyClosed:EPOis
activatedwhenaconnectionfrompin3to5is
opened.Connections:4-6.
4.+24VNormallyClosed:EPOisactivated
whenaSELV24VDCvoltageisremoved
frompin3withreferencetopin4.
34
Smart-UPS™VT10–30kV A208/220VSingleandParallelInstallation
990–1598E-001