Auxiliary Relay (7PJ11) and Trip Relay...

Auxiliary Relay (7PJ11) and Trip Relay (7PJ12)Better protection and more efficiency for your power system

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Auxiliary Relay and Trip Relay – Catalogue sheet

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Operation

Auxiliary Relay Operation

• Whenauxiliaryvoltageissuppliedtotherelaycoilterminals,theauxiliaryrelayoperateswithintheexpectedtimeandtheNormalOpen(NO)contactsandChangeOver(CO)contactswillchangetheirstates.Duringthecontactschange,theflagoperatesandindicatestherelayhastripped

• Auxiliaryrelayresetswhenthecoilterminalvoltageisdisconnected

• Youcanmanuallyresettheauxiliaryrelayflagindicationbypushingtheflagplungerinside.Shownbelow,

Description

AuxiliaryrelayandTripRelayisanelectro-mechanicalrelaythatoperatesonattractedarmatureprincipaldesignedtoIEC60255.

Auxiliaryrelayisavailablein3NOcontactsand2COcontactswithselfresetcontactstypewithorwithoutflag.

Triprelaylowburdenisavailablein3NOand3NCcontacts.Triprelayhighburdenisavailablein3NOand2NCcontactswithhandresetcontactstype.

AuxiliaryRelayandTripRelayisusedinhighspeedoperationwhichsuitstherequirementsliketransmissionandindustrialapplications.

Features

• Suitableforsignallinginprotectionandcontrolsystemswhereimmunitytocapacitancedischargeisrequired

• Robustdesignforalong,reliable,servicelife• Heavydutycontactsratings• Highvoltageinsulation• Lowerratedburden• Higheroperationstability• Flagindicationfortheoperatedconditions• IndividualvariantforAuxiliaryvoltages DC110V,DC220V

Applications

Auxiliary Relay and Trip Relay

• Thedesign,durabilityandqualityoftheserelaysguaranteetheirapplicationinhighresponsibilitycontrolssuchaspowerstations,substations,andprocessindustries

•Applicationsareforgeneralcontactmultiplication,interlocking,andcustomisingofprotectionschemes

•Touseinrelaycoordinationandtoprovidecontrolcommandsorsignalcommandstootherdevicesinuse

•Toprovidedurabilityandqualityofresponse

7PJ11 and 7PJ12

Trip Relay Operation

• Whenauxiliaryvoltageissuppliedtotherelaycoilterminals,thetriprelayoperateswithintheexpectedtimeandthecontactswillchangefromNormalOpen(NO)toNormalClose(NC)stateandvice-versa.Duringthecontactschange,theflagoperatesandindicatestherelayistrippedandthehandresetplungeroperatestokeepthecontactsinlatchedmode

• Beforeresettingthetriprelay,youshouldensurethattheauxiliaryvoltageisdisconnectedfromthecoilterminalsorthetripcommandfromanynumericalrelayshouldbedisconnected

• Forresetoftriprelaymanually,pullthehandresetplunger.Theflagindicationcanberesetbypushingtheflagplungerinside.Shownbelow,


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Technical Specifications

Technical Data for Auxiliary Relay

Ratedvoltage(Un) DC110V,DC220V

Operatingrange 70%to115%

Pickupvoltage(%Un) 65%ofratedvalueUn

Drop-offvoltage(%Un) Notlessthan20%Un

PickuptimeatUn(typical) <20ms

MaximumpowerconsumptionForUnDC110V,16WForUnDC220V,16W

Flag EitherHandReset(HR)orNoflag

Contacts SelfReset

Resettime* <20ms

Mechanicallife 10,000operations

Switchingrate500operationsperhouratfullbreakingcurrent(Ratedbreakingcurrent5Awithfullresistiveload)

ThermalwithstandContinuous=1.15Un

For10s=1.30Un

Noofcontacts 3NO+2CO

Technical Data for Trip Relay

Ratedvoltage(Un) DC110V,DC220V

Operatingrange 70%to115%

Pickupvoltage(%Un) 60%ofratedvalueUn

PickuptimeatUn(typical) ≤10ms

MaximumpowerconsumptionLow BurdenForUNDC110V,80WForUNDC220V,80W

High BurdenForUNDC110V,<150WForUNDC220V,<150W

Flag HR-HandReset

Contacts HandReset

Resettime* <20ms

Mechanicallife 10,000operations

Switchingrate360operationsperhouratfullbreakingcurrent(Ratedbreakingcurrent5Awithfullresistiveload)

ThermalwithstandContinuous=1.15Un

For10s=1.30Un

NoofcontactsLow Burden3NO+3NC

High Burden3NO+2NC

Contacts Ratings

Ratedvoltage AC660V,DC660V

Ratedcurrent 5A

Max.makingcurrent 30Afor3s

Makeandcarrycontinuously AC1250VAorDC1250W(limitof660Vand5A)

Makeandcarryfor3s AC7500VAorDC7500W

BreakAC1250VAorDC1250Wwithmaximumof5Aand660Vor100WresistiveDC50WinductiveDC(L/R=0.04)(withlimitsof660Vand5A)

*Applicabletoselfresetvariantsonly.


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Type TestingInsulation Test

Test Reference Test Levels

InsulationresistancetestIEC60255-1,IEC60255-27

Insulationresistance>100Mohmat500VDC

DielectrictestIEC60255-1,IEC60255-27IEC60255-5

2kV,50Hz,1minBetweenallterminalsandwithrespecttoearthterminalBetweenauxiliaryterminalsandcontactsterminals1.0kVr.m.sAC,1minacrossNOcontacts

Impulsevoltagewithstandtest

IEC60255-1,IEC60255-27

5.0kV,1.2/50μs,0.5JBetweenallterminalsandwithrespecttoearthterminalBetweenauxiliaryterminalsandcontactsterminals

Climatic Environmental TestTest Reference Requirement

Drycold,workingtest IEC60068-2-1 -10ºCworkingfor96hours

Dryheat,workingtest IEC60068-2-2 +55ºCworkingfor96hours

Dampheatcyclic IEC60068-2-30 6daysat95%RHand+40ºC

Drycold,Dryheat,storagetest

IEC60068-2-1IEC60068-2-2

-25°Cto+70ºCstoragefor16hours

Mechanical TestType test Reference Requirement

VibrationtestIEC60255-21-1,IEC60255-21-2

ResponseClassI,10-150Hz,0.5g,3axis, EnduranceClassI,10-150Hz,1.0g,3axis

ShockresponsetestandBumptest

IEC60255-21-2Shockresponse,ClassI,5g,11msShockwithstand,ClassI,15g,11msBumpClassI,10g,16ms

Seismictest IEC60255-21-3:1993

InsingleaxissinesweepinX-axissweep(@asweeprateof 1octave/minute)vibrationinthefrequencyrange(5-40Hz)atamplitudeof3.5mmor1.0g(whicheverisless)InsingleaxissinesweepinY-axissweep(@asweeprateof 1octave/minute)vibrationinthefrequencyrange(5-40Hz)atamplitudeof1.5mmor0.5g(whicheverisless)

DegreeofprotectionIEC60255-27,IEC60529

IP50–Frontside IP20–Rearterminalside

Limits of OperationsType test Reference Requirement

ThermalwithstandContinuous

IEC60255-6 1.15Un

Thermalwithstandfor10s IEC60255-6 1.30Un

ACrippleonDCsupply IEC60255-11 Withstand12%ACrippleonDCsupply

BurdenClassENATS48-4Issue42010Table1

HighBurdenRelay• Powerconsumption<150Wafteroperation<20W,• MinOperatingcurrentshouldbegreaterthan50mA,• ImmunitytoCapacitorDischarge.

Electromagnetic Compatibility TestType test Reference Requirement

Highfrequencydisturbance IEC60255-22-1Common-modetestvoltage:2.5kV,Differentialtestvoltage:1.0kV,Testduration:2s,Sourceimpedance:200Ω

Fasttransientdisturbance IEC60255-22-4,IEC61000-4-4 TestseverityAmplitude:4kV,burstfrequency5kHz

Electrostaticdischarge IEC60255-22-4,IEC61000-4-4 ClassIII,8kVdischargeinairtofrontinsulatedsurface

SurgeimmunityIEC61000-4-5IEC60255-22-5

Timetohalf-value:1.2/50μs,Amplitude:2kVbetweenallgroupsandcaseearth(CM)AuxiliaryportR=10Ω,C=9μF,ForoutputportR=40Ω,C=0.5μFAmplitude:1kVbetweenterminalsofeachgroup(DM)AuxiliaryportR=0,C=18μF,ForoutputportR=40,C=0.5μF

Productsafety IEC60255-27

• ClearancesandCreepageDistancesTest• IPRatingTest• ImpulseVoltageTest• ACorDCDielectricVoltage• InsulationResistance• ProtectiveBondingContinuity• Flammabilityofinsulatingmaterials,componentsandfireenclosures• Single-faultCondition


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MLFB (Ordering Code)Auxiliary Relay

7 P J 1 1 1 1 - 6 D A 2 0 - 0 A A 0

Relay Type AuxiliaryRelay

Number of Elements Element1

Contact Operation SelfResetwithflagindication SelfResetwithoutflagindication

Coil Voltage Range DC 110 V DC 220 V

Contact Arrangement - NO 3NO

Contact Arrangement - NC 0NC

Contact Arrangement - CO 2CO

Burden Type LowBurden

Variants OrderNo.

1

1

14

67

D

A

0

Trip Relay

7 P J 1 2 1 2 - 6 D C 0 1 - 0 A A 0

Relay Type TripRelay

Number of Elements Element1

Contact Operation HandReset

Coil Voltage Range DC 110 V DC 220 V

Contact Arrangement - NO 3NO

Contact Arrangement - NC 2NC 3NC

Contact arrangement - CO 0CO

Burden Type HighBurden LowBurden

Variants OrderNo.

2

1

2

67

D

C

0

1

ThefollowingtableshowsthevariantsandMLFBorderingcodeofTriprelay.

Variants MLFB Ordering Code

Triprelaywithhandresetcontactswithflag,DC110V,3NO+2NC,HighBurden 7PJ1212-6DC01-0AA0

Triprelaywithhandresetcontactswithflag,DC220V,3NO+2NC,HighBurden 7PJ1212-7DC01-0AA0

Triprelaywithhandresetcontactswithflag,DC110V,3NO+3NC,LowBurden 7PJ1212-6DD00-0AA0

Triprelaywithhandresetcontactswithflag,DC220V,3NO+3NC,LowBurden 7PJ1212-7DD00-0AA0

ThefollowingtableshowsthevariantsandMLFBorderingcodeofAuxiliaryrelay.

Variants MLFB Ordering Code

Auxiliaryrelaywithselfresetcontactswithoutflag,DC110V,3NO+2CO,LowBurden 7PJ1114-6DA20-0AA0

Auxiliaryrelaywithselfresetcontactswithoutflag,DC220V,3NO+2CO,LowBurden 7PJ1114-7DA20-0AA0

Auxiliaryrelaywithselfresetcontactswithflag,DC110V,3NO+2CO,LowBurden 7PJ1111-6DA20-0AA0

Auxiliaryrelaywithselfresetcontactswithflag,DC220V,3NO+2CO,LowBurden 7PJ1111-7DA20-0AA0

2

D

0


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Dimensional Drawings

NOTEIntheabovedrawings,alldimensionsareinmillimeter(mm).

ThedimensionaldrawingsdisplaythedifferentviewsofAuxiliaryrelayandTriprelay.

Front View Side View

Rear View Panel cut-out view


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Terminal Diagrams

TheterminaldiagramshowstheterminalnumbersofAuxiliaryrelayandTriprelayandthephysicalarrangementsofNormalClose(NC),NormalOpen(NO),andChangeOvercontacts(CO).

TripRelayLowBurdenAuxiliaryRelay TripRelayHighBurden

Application Note:

TripRelay7PJ1212-xDD00-0AA0,LowBurdenaresuitableforapplicationfortrippingandauxiliarydutieswhereimmunitytocapacitancedischargeisnotrequired.

Ingenerallow-burdenrelayareforapplicationwherethetripwiringremainsinthesamepanelorsamebreakerLVcompartment.

Highburdenrelaysaredesignedforapplicationwherethetriprelayisremotelylocatedfromtheprotectiverelayorwherethetripwiringisroutedthroughalonglengthcablefromafarendcontrolandrelaypanel.Forimmunitytocapacitancedischargesduetofrequentstationbatteryearth-faults,HighBurden7PJ1212-xDD01-0AA0relaytobeused.

TheseHighBurdenTripRelaysarequalifiedaccordingtotheinternationalstandardENATS48-4Issue42010,forimmunitytocapacitivedischargeduetofrequentstationbatteryearth-faultsandimmunitytoACinterferenceduetoinductiveandcapacitivecoupling.

ThebelowdiagramshowstheconfigurationfollowedforthehighburdenTripRelay,

RearTerminalviewofHighBurdenTripRelaywithattachedexternallink.

NOTEDonotremoveexternalwirelink

*Donotremoveexternallinkasitwillaffectthehighburdenperformance.Inthehighburdentriprelay,anexternallinkisconnectedbetweentheterminal2and14terminal3and15.

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C53000-X7076-001-3(ThisreplacesC53000-X7076-001-2)

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