ZN63A-12 series of Indoor high voltage Vacuum Cir

ZN63A(VS1)-12seriesofindoorvacuumcircuitbreakerisusedforindoor12kVswitchgear,itissuitabletocontrolandprotecttransmissionanddistributionsystemsuchaselectricnetworkequipmentandindustrial&miningindustryetcastheirprotectionandcontrolunit. ItcanmatchwithKYN28(GZS1),XGNandGG1-Aseriesofswitchgears.TheProductsmeetstandardsofGB1984-2003,thisseriesofproductsinclude:VCBtruck,isolationtruckandFusetruckEtc. Structuralcharacteristics: 1.ThisseriesofVCBisusedintegrateddesignforoperatingmechanismandVCBbodywithreasonable,beautifulandcompactarrangement. 2.ThisseriesofVCBadoptedverticalinsulationhouseagainstimpactduetodifferentweather,itcaneffectivelypreventVIsagainstdamagebyexteriorfactors, 3.ThetwodifferentinstallationunitofFixedtypeandwithdrawabletypecanmeetthedifferentrequirementsfordifferentswitchgear. Applyingambientconditions 1.Ambienttemperature:-10--+40. 2.Theheightabovesealevel:≤1000m(Notincludingspecialrequirements). 3.Relativehumidity:theaveragehumidityofadayshouldbenomorethan95%.Theaveragehumidityofamonthshouldbenomorethan90%. 4.Saturatedvaporpressure:theaveragepressureofadayshouldbenomorethan2.2kPa;theaveragepressureofamonthshouldbenomorethan1.8Kpa. 5.Earthquakeintensity:notexceed8degrees. 6.Itshouldbeinstalledintheplaceswithoutfire,explosion,seriousfilth,andchemicalerosionandviolentvibration. MainTechnicalSpecification S.N Name Unit Data 1 Ratedvoltage kV 12 2 Ratedfrequency Hz 50/60 3 Ratedcurrent A 630 1000 1250 630 1000 1250 1250 1600 2000 1600 2000 2500 3150 4 Ratedshortcircuitbreakingcurrent kA 20 25 31.5 40 5 Ratedpeakwithstandcurrent kA 50 63 80 100 6 Ratedshort-circuitduration S 4 7 Ratedpowerfrequencywithstandvoltage Betweenphases,phasetoground kV 42/1min Betweengaps kV 48/1min 8 Ratedlightningimpulsewithstandvoltage Betweenphases,phasetoground kV 75 Betweengaps 85 9 Ratedoperatingsequence 0-0.3s-CO-180s-CO/0-180s-CO-180s-CO(40kA) 10 powersourcevoltageofopeningandclosingcircuit V 220/-110;-220/110 11 Ratedcurrentofopeningandclosingcoil A -220/1.11;-110/2.75 12 Ratedbreakingcurrentofsinglecapacitorbank A 630 13 Ratedbreakingcurrentofbacktobackcapacitorbank A 400 14 Electricalenduranceclass ClassE2(30cycles) 15 Mechanicalendurance Cycle (classM1)10000 16 Clearancebetweenopencontacts mm 111 17 Contactstrokeofcontacts mm 3.50.5 18 OutofsimultaneityofCOoperationsofthreepoles ms 2 19 Contactbouncingdurationatclosingoperation ms 2/3(40kA) 20 Closingtime ms 3570 21 Openingtime ms 2050 22 Averageclosingspeed m/s 0.60.2 23 Averageopeningspeed m/s 1.10.2 24 Maincircuitresistanceofeachpole 50(630A)45(1250A) 35(16002000A)(above2500)