L2312E

VD4Vacuumcircuit-breaker–highdutyPowerITPowerIT2VD4.Theeconomicalsolutioninpowerdistribution.Withitssystematicallydevelopedtechnology,thevacuumcircuit-breakeroftypeVD4occupiesaleadingpositioninnetworksforelectricalpowerdistribution.Therateddataaredimensionedtosuittheusers’requirements.Designedfortheoperators,theVD4circuit-breakerfulfilsthehighdemandsofusersinallrespects.Applications:•Powerstations•Transformerstations•Chemicalsindustry•Steelindustry•Automotiveindustry•Airportpowersupply•Shipbuildingpowersupply•Buildingpowersupply3VD4VD4..Foreveryfieldofapplication.Vacuumcircuit-breakeroftypeVD4isdesignedforswitching:•short-circuitcurrents,•cablesandoverheadlinesunderloadandno-loadconditions,•transformersandgeneratorsunderloadandno-loadconditions,•ripplecontrolsystems,•capacitorbanks,and•motors.34VD4.Vacuumcircuit-breaker.Inthecircuit-breakeroftypeVD4,thecompletepoleandthemaintenance-freevacuuminterrupterformapositiveunit.Thisisachievedbyaspeciallydevelopedcastingtechniqueinwhichthevacuuminterrupterisdirectlyembeddedinepoxyresintoformacompletepole.Disruptiveexternaleffectsontheswitchingelementarethereforeextensivelyprecluded.Forveryhighratedcurrents,ratedshort-circuitbreakingcurrentsandforratedvoltagesfrom36kV,thetriedandtestedassembledpolesarestillused.5IdealmatchingoftheVD4circuit-breakerwithitspowerrequirement,hasbeenachievedbypreciselycontrolledforcetransmission.Thevacuumcircuit-breakeroftypeVD4withmanualmechanismisfundamentallysuitableforautoreclosing;theversionwithmotorizedmechanismformulti-shotautoreclosing.5Inaddition,thebreakercanbefittedwithallstandardreleasesandauxiliaryswitchesrequiredfortheparticularswitchingfunctiontobeperformed.Thevacuumcircuit-breakeroftypeVD4canalsobesuppliedasawithdrawablemodulewithinterlocks.Isolatingcontactarmscanbefittedtotheupperandlowerterminalswithoutadditionalsupportforinstallationonthewithdrawablemodule.61Uppercontactterminal2Vacuuminterrupter3Epoxyresinenclosure4Lowercontactterminal5Multi-Contact6Contactforcespring7Insulatedcouplingrod8Openingspring9Shiftlever10Driveshaft11Releasemechanism12Mechanismenclosurewithspringoperatingmechanism456710121231189VD4.Vacuumcircuit-breaker.Practicallyunlimitedapplications•Reliable•Availability•Lowmaintenance•EconomicalTheswitchgearcomplieswiththefollowingspecificationsinaccordingwithDINVDEandrelevantIECpublications:•VDE0670,part1000andIEC60694•DINVDE0670,part1andIEC62271-100Ratedvoltage1)kVRatedcurrentARatedshort-circuitbreakingcurrentsymm.2)kAShort-circuitbreakingcurrentasymm.2)kARatedshort-circuitmakingcurrent2)kARatedshort-circuitdurationsPolecentredistancepHabcdeWeightkgEmbeddedpoleAssembledpoleShown:Vacuumcircuit-breaker,typeVD4,inembeddedtechnique12kV,2000A,40kA71)TestvoltageaccordingtoDINVDE0670,part1000,list22)Whentheoperatingvoltageislowerthantheratedvoltage,thesamevaluesapplyasforratedvoltage3)4000Abreakeronlywithfancooling4)3150Abreakerinwithdrawableversiononly5)40.5kVbreakerinwithdrawableversiononly6)Withratedcurrent2500Aonlypolcentres275mm7)Withratedcurrent2500Aandratedshort-circuitbreakingcurrent63kAonlypolecentres275mm8)Breakerwithheat-sink616mm9)Breakerwithheat-sink10)Polecentres360mmfixedversion,Polecentres280mmwithdrawableversion11)1000mmfixedversion12)Onlywithfixedversion1217.53640.55)1250...25001250...25003150/40003)1250...25003150/40003)1250...31504)1250...31504050/6320...634020...4025...4025/31.543.655.8/65.521.7...65.543.621.7...43.627.3...43.627.3/34.3100125/15850...15810050...10063...10063/803333333210/2756)210/2757)275210/275275280/36010)280310310310310310328328600/750610/750750610/750750895/100011)89542445945945945955512)/686686433433433433433––237,5237,5237,5237,5237,59009005998)615.5/677.59)677.59)615.5/677.59)677,59)1575157594...159159...260260159...260260290...350290...350






ABBCalorEmagMittelspannungGmbHABBTrasmissione&DistribuzioneS.p.A.OberhausenerStrasse33PetzowerStrasse8UnitàOperativaSaceT.M.S.40472Ratingen14542Werder(Havel)OTGlindowViaFriuli,4DEUTSCHLANDDEUTSCHLANDI-24044DalmineTel:+49(0)2102/12-1230,Fax:[phone]Tel:[phone],Fax:[phone]E-mail:[e-mail]-mail:[e-mail]::(03.03-1000-PPI)Wereservetherighttomakechangesinthecourseoftechnicaldevelopment.