Power Frequency Withstand Voltage of Secondary Circuit 2000V Indoor Vacuum Circuit Breaker TechnicalParameters ---- NO | Item | Unit | TechnicalDate | 1 | Ratedvoltage | kV | 12 | 2 | Ratedinsulatinglevel | Ratedshorttimepower frequencywithstandvoltage (1min) | 42 | Raedlightinginpulse withstandvoltage (peakvalue) | 75 | 3 | RatedFrequency | Hz | 50 | 4 | Ratedcurrent | A | 630 | 630 | 1250 | 1250 | 1250 | 1250 | 1600 | 1600 | | | 2000 | 2000 | 2500 | 2500 | 3150 | 3150 | 4000 | 4000 | 5 | Ratedshortcircuitbreakingcurrent | kA | 20 | 25 | 31.5 | 40 | 6 | Ratedshorttimewithstandcurrent | 20 | 25 | 31.5 | 40 | 7 | Ratedpeakwithstandcurrent | 50 | 63 | 80 | 100 | 8 | Ratedshort-circuitclosingcurrent(peakvalue) | 50 | 63 | 80 | 100 | 9 | 4Sratedshort-timewithstandcurrent4s | 20 | 25 | 31.5 | 40 | 10 | Ratedshocksteadycurrent | 50 | 63 | 80 | 100 | 11 | Ratedmakingsurgecurrentofcapacitorbank | 12.5(Thefrequency islessthan1000Hz) | 12 | Ratedbreakingcurrentofsingle/ symmetricalcapacitorbank | A | 630/400(Thevalueshoule be800/400whilethecurrentis40kA) | 13 | Durationofratedshort-circuitcurrent | S | 4 | 14 | Powerfrequencywithstandvoltage ofsecondarycircuit | V | 2000 | 15 | Ratedoperationlvoltage | Makingcoil | AC110/220DC110/220 | Breakingcoil | AC110/220DC110/220 | Energy-storagemotor | AC110/220DC110/220 | 16 | Makingtime(underRatedvoltage) | ms | 35-70 | 17 | Brealingtime(underRatedvoltage) | 20-45 | 18 | Permittedabrasionthicknessof movingandfixedcontacts | mm | 3 | 19 | Energystoragetimes | S | 15 | 20 | Contactorspace | mm | 91 | 21 | Contactingtravel | 3---4 | 22 | BouncetimeofContactor duringmaking | ms | 2 | 23 | Differenttimeofbreaking /makingof3phases | 2 | 24 | Averagebreakingspeed | 0.9-1.3 | 25 | Averagemakingspeed | 0.4-0.8 | 26 | Reboundamplitudeofcontactbreaking | mm | 3 | 27 | Conductancecircuitresistance | | 50(630A) | 45(1250A) | 35(1600A-2000A) | 25(Morethan2500A) | 28 | Thecontactingpressureof contactorduringmaking | N | 2000200(20kA) | 2400200(35kA) | 3100200(31.5kA) | 4750250(40kA) | 29 | Ratedoperatingsequence | | O--CO-180s-CO | Theaveragebreakingspeedisthatofcontactorsfirst6mm. TheaveragemakingspeedreferstotheaveragespeedoftotalContactorspace. Whentheratedshortcircuitbreakingcurrentislessthan40kA, isequalto0.3S. Whentheshortcircuitbreakingcurrentismorethanorequalto40kA, isequalto180S | ---- OutlineDimensionDrawing Dearfriends, plscontactusfortheoutlinedimensiondrawing, wewillgiveyouquickreply. Summary TheVMD1seriesindoorcircuit-breakerisourindependentdevelopednewgeneration12kvvacuuumcircuitbreaker. Itsmaincharactersasfollows:theconductancecircuitisinstalledinanthree-phaseinsulatingsleeve, itsmechanismandconductancecircuitadoptsfrontandrearlayout. Andthemechanismisourdeveopednewdesign, withsimpleconstruction, reliableoperation, andrichmanufacturingexperiencesofmillionsets, usedandlearnedbymanyhigh-endvacuumcircuitbreakermanufacturers. TechnicalStandards AllthetechnicalparametersofbreakercompletelysatisfytheStandardsOfGB1984 ACHighvoltageBreaker, GB/T11022-1999CommonSpecificationsForHigh-VoltageSwitchgearAndControlgearStandards, ChinaPowerSectorStandardsDL403. AlsomeettherequirementsofIEC62271-100, IEC56andothermainindustrializedcountryssimilarstandards Testing VMD1seriescircuitbreakerhavepassedhaspassedfollowing test, toensuretheproductssafeOperation. Typetests:power-frequencywithstandvoltagetests, lightingimpactwithstandvoltagetests, , temperaturerisingtests, short-timewithstandcurrenttests, peakwithstandcurrenttests, shortcircuitbreakingabilitytests, mechanicallifttests, ect Routinetestbeforeoutoffactory:mechanicalperformancetest, power-frequencywithstandvoltagetestsofthemaincircuit, insulatingpropertytestsoncontrolandauxiliarycircuits, measurementoftherresistanceofthemaincircuit, interlockoperatingtests, mechanicaloperatingtests, ElectricalEquipmentoperatingtests. Scopeofapplication Itisuniversallyusedinpowerplant, electricnetwork, metallurgyindustrypetrochemicalindustryandinfrastructures, suchasairport, subway, building. WhentheVMD1circuitbreakerisindistributionsystem, itcanbeappliedtocontrolandprotectcable, trollywire, transformer, generatorandcapacitorbank. Safety
