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SlimModelsforMonitoringCurrentandVoltageMeasuringandMonitoringRelaysMeasuringandMonitoringRelaysMEASURINGANDMONITORINGRELAYSK8ABNEWn(C)MeasuringandMonitoringRelaysNineNewLow-voltageMonitoringRelaysDIN-sizedat22.
5mmProvideAMoreComprehenIndustryFirst!
K8AB-AS1-PhaseCurrentRelayK8AB-VS1-PhaseVoltageRelayK8AB-VW1-PhaseVoltageRelayK8AB-PH3-PhaseSequence,LossRelayK3SLTwoSPDTOutputsAvailableinNewModelsDINSizedat22.
5mmMeasuringandMonitoringRelaysK8ABMoK8K8K8K8K8K8K8K8612Industrialmanufacturingfacilitiesandequipmenttodayrequiremorepreciseriskmanagementandmaintenancethaneverbefore.
Withitsfield-provenhistoryofhighlyreliablemonitoringdevices,OMRONhasrespondedwithDIN-sized(22.
5mm)Low-voltageMonitoringandLiquidLevelControlRelays.
Nineslimmodelsfeaturingavarietyofinnovativenewfunctionsofferaccuratecurrentandvoltagemonitoringtoavertmanufacturinglineproblems.
OverorundercurrentManual/automaticresetNormalON/normalOFFONdelayandoperationtimeOverorundervoltageManual/automaticresetNormalON/normalOFFONdelayandoperationtimeOverandundervoltagePre-alarmwarningmodeONdelayandoperationtime200to500VACwithasingleK8AB-PHPowersupply/outputrelaystatusindicatorssSelectionguideAMoreComprehensiveLineupHce,K8AB-PA3-PhaseAsymmetrySequence,LossRelayK8AB-PM3-PhaseVoltage,Sequence,LossRelayK8AB-PW3-PhaseVoltageRelay61F-D21TConductiveLevelControllerNote:CEmarkcompliancecertifiedbythirdparty.
FunctionsModelOutputrelaysOperationIndicationsSafetystandards1-phasepowersupply3-phasepowersupplyK8AB-ASK8AB-VSK8AB-VWK8AB-PHK8AB-PMK8AB-PAK8AB-PWK8AB-TH61F-D21T3ntuidhasingletrelayOverorundercurrent(switchable)Overorundervoltage(switchable)Overandundervoltage(windowcomparator)3-phasepowersupplywith3wires3-phasepowersupplywith3wires3-phasepowersupplywith3or4wires(switchable)3-phasepowersupplywith3or4wires(switchable)3-phasepowersupplywith3or4wires(switchable)3-phasepowersupplywith3or4wires(switchable)ConductiveLevelControllerPhasesequencePhasesequencePhaselossPhaselossAsymmetryOverandundervoltage(windowcomparator)ConductLevelControlOneSPDTrelayTwoSPDTrelaysOperationlevelsettingOperationtimesettingIndividualupper/lowerlimitsettings(individualoutputs)Functionselection(DIPswitch)Pre-alarmwarningmodePowerindicator/operatingstatusindicatorTripwarningindicator(flashingalarmindicator)CE(Seenote.
)UL3-/4-wireselectionfor3-phasepowersupplyInputrangeselectionOverandundervoltageAll-in-oneconfiguration3-/4-wireselectionfor3-phasepowersupplyInputrangeselectionOverandundervoltage3-/4-wireselectionfor3-phasepowersupplyInputrangeselectionVariableoperatingresistanceWatersupply/drainingselectionOperationtimesettingTemperatureMonitoringRelay(withSelectableUpper-limitAlarmandLower-limitAlarm)PreventionofexcessivetemperatureriseandmonitoringofabnormaltemperaturesThermocouple/PT100(multi-input)SPDTrelayoutputOutputlatchfunctionK8AB-THTemperatureMonitoringRelayCbetaThfeclThchoperTheK8AB-AS1-PhaseCurrentRelaycanbeusedwithcommercialCTsforcurrentmeasurement.
VariousrelayfunctionscanbeselectedusingaDIPswitch.
Thismeansthatthenumberofmodelsrequiredcanbereducedto1/8whatithadbeensimplybyinstallingarelayliketheK8AB-AS.
Anaddedadvantageisthatitreducestheinventoryofmaintenanceparts.
ExpandedSettingRangeEnsuresOverVoltageandUnderVoltageMonitoringFlexibilityDIPSwitchFunctionSelectionCompatiblewithCommercialCTsCommercialCTsCTcurrentonsecondarysideApplicablemodelOMRON-compatibleCT:K8AC-CT200LOnlytheK8AB-AS3canbeusedforACoperationatboth100and200A.
*Theoperatingtimecanbesetto0.
1to30s.
*SW1isnotused.
0to1AAC0to5AACK8AB-AS2Example:K8AB-AS1-PhaseCurrentRelayMeasuringandMonitoringRelaysResettingmethodRelaydrivemethodOperatingmodeManualresetAutomaticresetNormallyopenNormallyclosedOvercurrentUndercurrentOFFONOFFONOFFONSW2SW3SW4DIPswitchFunctionManycustomersrequiretheindividualupperandlowerlimitoutputsthatarenormallyavailableonlyinlarger45-mmrelays.
Forthefirsttimefromanymanufacturer,OMRONhasachievedthisandmoreinaslim-bodydesignmeasuringjust22.
5mm.
Theserelaysnotonlyofferadvantagessuchas3-phasepowersupplycompatibilityandaresistiveloadcontactcapacityof6Aat250VAC,buttheyalsoreducepanelproductioncostbecausetheyuse50%lessspacethanpreviousmodels.
*TherelayoutputcapacityfortheK8AB-THis3Aat250VAC(resistiveload).
Slim22.
5-mmDesignFeaturesTwoSPDTRelayOutputs(K8AB-VW,K8AB-PM,andK8AB-PW)Providesindividualovervoltageandundervoltagesettingsandoutputs.
1-/3-phasePowerSupplyTwoSPDTRelayOutputsDIN-sizedat22.
5mmCutby50%SpacesavingsContactcapacity:6Aat250VACRelay1overvoltageRelay2undervoltageIndustryFirst!
14Inplantsandothersitesthatoperate365daysayear,unexpectedshutdownsmustbekepttoanabsoluteminimum.
OMRONaddressesthisproblemwiththeK8AB-VWfeaturingapre-alarmmonitoringmodethatcanbesettotwolevelsfortwooutputs.
K8AB-VWmakesscheduledmaintenancepossiblebecausethepre-alarmmonitoringmodeprovidesadvancewarningofimpendingtripalarms.
Pre-alarmMonitoringModeProvidesAdvancedWarning(K8AB-VWOnly)AL1AL2Ry1Ry2AL1AL2Ry1Ry2600VAC336VAC600VAC336VACAL1AL2Ry1Ry2Mode1OverVoltage/UnderVoltageMode2OverVoltage/OverVoltageMode3UnderVoltage/UnderVoltage2O3DOvervoltageandundervoltagecanbesetforthefullspanoftheallowableinputrange,soovervoltageandundervoltagecannowbemonitoredwithflexibility.
3Example:K8AB-PW3-phaseVoltageRelayPre-alarmwarningPre-alarmwarningSettingrangeSettingrange(Comparedtopreviousmodels)OvervoltageUndervoltageUsableasaSimpleSensorControllerAccepts4to20mAor0to10Vinputs.
RatedinputvoltageThree-phase,three-wireMode480-VACsetting*Thesettingrangeforoperationtimecanbesetwithin-30%to+25%oftherangeselectedusingtheDIPswitchontheUnit.
*Checkingtheoperatingstatushasneverbeenconvenientbecauseofthetimeittakestoreachthepresetoperationtime.
TheK8ABeliminatesthisproblembyfeaturingaflashingalarmindicatorthatclearlyindicatestheoperatingstatus.
Thishasgreatlysimplifiedthetaskofcheckingon-sitestatusparticularlywhenoperationsettingsarechangedoranerroroccurs.
WireConnection2*2.
5mm2solidor2*1.
5mm2standardferrules.
CompliancewithInternationalStandardsAthirdpartyhascertifiedCEmarkcompliance.
ThisdeviceisincompliancewithULcertificationrequirements.
OperationLevelIndicationbyFlashingAlarmIndicatorFlashingLitIndicatesacontinuoustrip.
Gang-mountingisalsopossible.
DINTrackMountingMeasuringandMonitoringRelaysOperationtimeOperationtimeOvervoltageUndervoltageInputRy1Ry2Goingtotripsoon!
5OMRONLow-voltageMonitoringRelayscanbeusedtomonitor3-phasepowersupplieswith3or4wiressimplybychangingDIPswitchsettings.
L1L2L3L1L2L3NK8AB-P@1SW3SW4SW2SW2ONON200V115V380V220VONOFF220V127V400V230VOFFON230V133V415V240VOFFOFF240V138V480V277VONOFFONOFFP-PP-NP-PP-NK8AB-P@2400VAC400VAC400VAC230VAC230VAC230VACSingleK8ABMonitors3-phasePowerSupplywith3or4Wires(K8AB-PM,K8AB-PA,andK8AB-PW)ASingleK8ABCanMonitora3-phasePowerSupplyAnywhereintheWorldReducesMaintenancePartsInventoryPhasetophasevoltage(3wires)Phasetoneutralvoltage(4wires)45NotificationbyFlashingAlarmIndicatorThetripalarmoperateswhentheinputreachestheoperationrangeandthepresetoperationtimehaselapsed.
*ExcludingtheK8AB-PHandK8AB-TH.
MeasuringandMonitoringRelaysChainBreakageProtectionforConveyorsK8AB-ASLockedconveyorMotorOvercurrentdetectionCTL1L2L3K8AB-ASInstantaneousovercurrentmonitoringK8AB-ASUndercurrentmonitoringIdlepumpoperationPumpUndercurrentdetectionCTL1PowersupplyL2L3K8AB-ASUndercurrentmonitoringSubmersiblepumpLLLLLUndercurrentdetectionBulbExternalCTWhenthemotorlocksup,itsrotationaltorquemaybreakthechain.
Topreventthatfromhappening,therelaymusttriptheinstantitdetectsamotorlockerror.
Athermalrelaycannotbeusedforchainprotectionbecauseittakestoolongtostartoperating.
TheK8AB-ASofferseffectivealarmsbecauseitstartsoperatingin0.
1sorless.
PurposeAdvantagesProtectionagainstIdleRunningofaSubmersiblePumpK8AB-ASAsubmersiblepumpwillmalfunctionifitbeginstooperateoutofwater,soinstantaneousdetectionofthiskindofidleoperationisessential.
TheK8AB-AScandetectidlepumpoperationbydetectingundercurrentlevels.
PurposeAdvantagesBulbBurnoutDetectionK8AB-ASTheK8AB-ASisusedtodetectburnedoutlightbulbs.
TheK8AB-AScandetectburnedoutlightbulbsbydetectingundercurrentlevels.
TheRelay'ssensitivitycanbeadjustedtodetectburnedoutlightbulbseveninapplicationswheremultiplelightbulbsareused.
PurposeAdvantagesApplicationExamplesBattery220VACK8AB-VWOverandUnderVoltageMonitoringAlarmPowersupplymonitoring24VDCWirelesscommunicationsbaseMonitoringtheControlPowerSupplyatCommunicationBasesK8AB-VWCommunicationsbasesmustbecarefullymonitoredbecausetheeffectsofapoweroutageorvoltagedropwouldbehighlydetrimentaltocommunications.
ThisiswhytheK8AB-VWmonitorsthecontrolpanelpowersupplyforovervoltageandundervoltagelevels.
ItcandetectovervoltageandundervoltageaswellasoutputindividualovervoltageandundervoltagealarmsusingSPDTrelays.
PurposeAdvantagesBatteryVoltageCheckingK8AB-VSK8AB-VSUndervoltagemonitoringTheK8AB-VSisusedtocheckbatterychargelevels.
TheK8AB-VScandetectwhenthebatterychargeislow.
PurposeAdvantagesAlarmOvervoltageVoltageinputlevelUndervoltageOvervoltagealarmrelayUndervoltagealarmrelayOvervoltagealarmindicatorUndervoltagealarmindicatorT1TLitLitFlashingFlashingTT:Operationtime(0.
1to30s)T1:1sor5sselection(TimerwhenthecontrolpowersupplyisturnedON.
)6ForeignobjectMonitoringPhaseLosMotorL1L2L3MonitoringCompressorsundervoltagsequence.
Thvoltage,thepAsingleK8AphasesequenoutputindividuSPDTrelay.
Toccurred.
PurposeAdvantaControllingThe61F-D2PurposeAdvantagFixedtypeBecausetnoneedtoYoucanaoperatingeWatersupAlarmRelayoutput:6Aat250VAC(resistiveload)(Ifamotorisusedastheload,becarefulthattheinrushcurrentdoesnotexceedtheallowableinputrange.
)AlarmRelayoutput:6Aat250VAC(resistiveload)(The24-VDCmodeloftheK8AB-VSisnotinsulatedbetweentheinputsandthepowersupply.
Useaninsulatedpowersupplywhenusingthismodel.
)(The24-VDCmodeloftheK8AB-VWisnotinsulatedbetweentheinputsandthepowersupply.
Useaninsulatedpowersupplywhenusingthismodel.
)Rel6A(resJ7LK8ABA-PW3-PhasevoltagemonitoringMonitoringGeneratedVoltageK8AB-PWTheK8AB-PWmonitorsthevoltageofpowergeneratedbyagenerator.
Italsodetectsovervoltageandundervoltageinpowerfromagenerator.
AsingleK8AB-PWcanmonitor3-phasevoltage.
ItcanalsooutputindividualalarmsforovervoltageandundervoltageusingSPDTrelaysbecauseitfeaturestwooutputswithSPDTrelays.
Thevoltagemeasurementrangecanbeswitchedfrom200to480VACandtheK8AB-PWcanbeswitchedtomonitorphasevoltageorlinevoltage.
PurposeAdvantagesLoadHighvoltagereceptionPowergridprotectionrelayOCR,RPRUVR,OVRPLCPowergridpanelGeneratormonitoringpanelL1L2L3AlarmB-VWctsofacations.
foroverualoverB-VSgechargebatteryLito30s)turnedON.
)MonitoringVoltageGeneratedbyWind-poweredGeneratorsK8AB-PWL1NL2L3K8AB-PWSimultaneous3-phaseoverandundervoltagemonitoringTheK8AB-PWdetectsovervoltageandundervoltageinpowergeneratedbyawind-poweredgenerator.
AsingleK8AB-PWcanbeusedfora3-phasepowersupplywith3or4wires.
Itcanbeusedtoindividuallysetandoutputovervoltageandundervoltagealarms.
PurposeAdvantagesWind-poweredgeneratorGenerator7MonitoringPhaseSequence/PhaseLossforEscalatorsK8AB-PHMotorL1L2L3K8AB-PHPhase-sequenceandphase-lossmonitoringTheK8AB-PHdetectsthephasesequenceorphaselossinescalatorpowersupplies.
AsingleK8AB-PHcandetectthephasesequenceorphaselossatstartup.
PurposeAdvantagesLoadL1L2L3K8AB-PM3-Phasevoltage,phase-sequence,andphase-lossmonitoringMonitoringCompressorPowerSuppliesK8AB-PMCompressorscannotoperatecorrectlyunderconditionssuchasundervoltage,asymmetryvoltage,phaseloss,orphasesequence.
TheK8AB-PMcanbeusedtomonitor3-phasevoltage,thephasesequence,andphaseloss.
AsingleK8AB-PMcanmonitorovervoltage,undervoltage,thephasesequenceandphaselossin3-phasevoltage.
ItcanalsooutputindividualalarmsforovervoltageorundervoltageusinganSPDTrelay.
TheK8AB-PMisabletorecognizewhichalarmhasoccurred.
PurposeAdvantagesControllingtheLiquidLevelinaTank61F-D21T-V1The61F-D21T-V1canbeusedtocontroltheliquidlevelinatank.
PurposeAdvantagesFixedtypeMobiletype61F-D21T-V1ConductivelevelcontrolJ7LContactorBecausethesensitivityresistancecanbeadjustedfrom10to100kW,thereisnoneedtochangemodelstomatchdifferentliquidtypesandconcentrations.
Youcanalsosettheoperationtimeinarangeof0.
1to10secondstopreventoperatingerrorsduetochattering.
WatersupplyanddrainingcontrolcanbechangedbyDIPswitch.
putsandodel.
)sandtheRelayoutput:6Aat250VAC(resistiveload)(Phaselossduringmotoroperationcannotbedetected.
)Relayoutput:6Aat250VAC(resistiveload)J7LContactorSupplyvoltage24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VAC24VDC24VAC100to115VAC200to230VACSameastheinputvoltage.
100to240VAC100to240VAC24VAC/DC24VAC/DCHousingDIN22.
5mmOutputrelaysOneSPDTrelayOneSPDTrelayTwoSPDTrelaysOneSPDTrelayTwoSPDTrelaysOneSPDTrelayTwoSPDTrelaysOneSPDTrelayNominalinputI1-COM:2to20mAAC/DCI2-COM:10to100mAAC/DCI3-COM:50to500mAAC/DCI1-COM:0.
1to1AAC/DCI2-COM:0.
5to5AAC/DCI3-COM:0.
8to8AAC/DCI2-COM:10to100AACI3-COM:20to200AAC*1V1-COM:6to60mVAC/DCV2-COM:10to100mVAC/DCV3-COM:30to300mVAC/DCV1-COM:1to10VAC/DCV2-COM:3to30VAC/DCV3-COM:15to150VAC/DCV1-COM:20to200VAC/DCV1-COM:30to300VAC/DCV1-COM:60to600VAC/DCV1-COM:6to60mVAC/DCV2-COM:10to100mVAC/DCV3-COM:30to300mVAC/DCV1-COM:1to10VAC/DCV2-COM:3to30VAC/DCV3-COM:15to150VAC/DCV1-COM:20to200VAC/DCV1-COM:30to300VAC/DCV1-COM:60to600VAC/DC200to500VAC200,220,230,or240VAC380,400,415,or480VAC200,220,230,or240VAC380,400,415,or480VAC200,220,230,or240VAC380,400,415,or480VACThermocouple/Pt100(0to399C/F)Thermocouple(settingunitof10C/F)Thermocouple/Pt100(0to399C/F)Thermocouple(settingunitof10C/F)*1TheK8AC-CT200LCTisrequiredtousetheK8AB-AS3.
UsetheK8AB-AStouseacommerciallyavailableCT.
*2InsulationisprovidedforACpowersupply,butnotforDCpowersupply.
ModelK8AB-AS1K8AB-AS2K8AB-AS3K8AB-VS1K8AB-VS2K8AB-VS3K8AB-VW1K8AB-VW2K8AB-VW3K8AB-PH1K8AB-PM1K8AB-PM2K8AB-PA1K8AB-PA2K8AB-PW1K8AB-PW2K8AB-TH11SK8AB-TH12SK8AB-TH11SK8AB-TH12SProductname1-PhaseCurrentRelay1-PhaseVoltageRelay1-PhaseVoltageRelayPhase-sequence,Phase-lossRelay3-PhaseVoltage,Phase-sequence,Phase-lossRelay3-PhaseAsymmetry,Phase-sequence,Phase-lossRelay3-PhaseVoltageRelayTemperatureMonitoringRelaySupplyvoltage24VAC115VAC220to230VACHousingDIN22.
5mmOutputrelaysOneSPDTrelayOperatingresistance10to100kModel61F-D21T-V1ProductnameConductiveLevelControllerTheapplicationexamplesprovidedinthiscatalogareforreferenceonly.
Checkfunctionsandsafetyoftheequipmentbeforeuse.
Neverusetheproductsforanyapplicationrequiringspecialsafetyrequirements,suchasnuclearenergycontrolsystems,railroadsystems,aviationsystems,medicalequipment,amusementmachines,vehicles,safetyequipment,orotherapplicationinvolvingseriousrisktolifeorproperty,withoutensuringthatthesystemasawholehasbeendesignedtoaddresstherisks,andthattheOMRONproductsareproperlyratedandinstalledfortheintendedusewithintheoverallequipmentorsystem.
Cat.
No.
N140-E1-02PrintedinJapan0706-1M(0305)(C)AuthorizedDistributor:Note:Specificationssubjecttochangewithoutnotice.
OMRONCorporationIndustrialAutomationCompanyControlDevicesDivisionH.
Q.
ShiokojiHorikawa,Shimogyo-ku,Kyoto,600-8530JapanTel:(81)75-344-7109/Fax:(81)75-344-7149RegionalHeadquartersOMRONEUROPEB.
V.
Wegalaan67-69,NL-2132JDHoofddorpTheNetherlandsTel:(31)2356-81-300/Fax:(31)2356-81-388OMRONELECTRONICSLLC1EastCommerceDrive,Schaumburg,IL60173U.
S.
A.
Tel:(1)847-843-7900/Fax:(1)847-843-8568OMRONASIAPACIFICPTE.
LTD.
83ClemenceauAvenue,#11-01,UESquare,239920SingaporeTel:(65)6835-3011/Fax:(65)6835-2711OMRON(CHINA)CO.
,LTD.
Room2211,BankofChinaTower,200YinChengRoad(M),Shanghai,200120ChinaTel:(86)21-5037-2222/Fax:(86)21-5037-2200