Shaanxi Longxiang Electrical Co., Ltd.  

Product Name: 12kv Vacuum Circuit Breaker with Embedded Poles Model NO.: VIB1-12 Certification: VDE, ISO9001-2000, CE, UL, CB, CCC Function: Conventional Circuit Breaker Type: Circuit Breaker Poles Number: 3 Structure: MCCB Installation: Withdrawable Arc-extinguishing Medium: Vacuum Speed: Normal Type Circuit Breaker Operation: Energy-storage Type Breaking Capacity: High Voltage Circuit Breakers Rated Voltage: 12kv Installation Type: Fixed & Withdrawable IEC: M2e2c2 Trademark: Longxiang Electric Transport Package: Each One Is Wrapped with Plastic Film in Cartons. Specification: IEC: M2-E2-C2 Origin: China Baoji HS Code: 8538900000 Product Description VIB1 12kvVacuumCircuitBreakerWithEmbeddedPolesGeneralDescriptionInordertomeetthemarketrequirementsforhighqualityVCBaswellastheiradaptationwithitsswitchgear,ourcompanydevelopsthisnewgenerationof VIBtypeindoorhighvoltagevacuumcircuitbreaker.Itisthree-phaseAC,50Hzindoorpowerdistributionequipmentwiththevoltageof12kV.Itcanbeusedforprotectingandcontrolingequipmentsinthefiledsofpowersupplyanddistributionsystemsuchassubstationandindustrialandminingindustryetc.VIBseriesvacuumcircuitbreakerhastakenintoconsiderationofreliableinterlockfunctionwhichcanbefrequentlyoperatedattheratedcurrentandwiththecapabilityofmanytimesoperationsofbreakingshort-circuitcurrentandfaultcurrent.Thisseriesofvacuuminterruters.ItcanbeusedforfixedinstallationunitandalsocanbeusedforindependenttrackbyequippedwithChassis.ProductStandardVIBtypevacuumcircuitbreakerconformstonationalstandardGB1984-2003HVVacuumcircuitBreaker,DL/T403-2000Ordertechnicalconditionof12kV~40.5kVVacuumCircuitBreakerandsomestipulationofIEC62271-100:2001HVACVacuumCircuitBreaker.TechnicalcharacteristicsThevacuuminterruptersofVIBtypevacuumcircuitbreakerareusedembeddedpolesbyadvanceAPGtechnology;theprimaryconductingpartiscapsulatedintoanintegratedunitbyusingepoxyresinwhichmakestheinsulationconditionofprimaryconductingpartsagainstfromimpactbyexteriorenviroment,itcaneffectivelypreventmoisture,filthsandthedamagetotheinsulationpropertyduetocondensedwater.ThevacuuminterrupterisverticallyinstalledinaninsulationhousewhichismadeupogepoxyresincastbyadvancedAPGtechnology;thiskindofstructurecanmaximallyreducethedustaccumulationonthesurfaceofvacuuminterrupterswhichensurethehighresitancestateevenifunderthedamp,hotandseriousfilthyenviroment.TheVIBtypevacuumcircuitbreakerusesspecializedvacuuminterrupterwithadvancedmaterialanddesignfortheircontact,itiswithstrongbreakingcapabilityandhighreliabilityandperformedthetypetestforitselectricallifeundertheconditionofautore-closeatclassE2level(thebreakingoperationsreaches274timesfordifferentshor-circuitcurrents)aspernationalstandard,itismoreaccordancewiththeacturalusagerequirementandrealizedfreeofmaintenanceforitsprimarypart.Main Technical SpecificationS.NNameUnitData1Rated voltagekV 122Rated currentA 630 12501600 2000 2500 3150 3Rated short circuit breaking currentkA2025202531.54031.5404Rated peak withstand currentkA5063506380100801005Rated short time withstand currentkA 2025202531.54031.5406Rated short circuit making currentkA5063506380100801007Switching operations of short circuit currentCycle50308Rated operating sequenceO-0.3s-CO-180s-CO,O-180s-CO-180s-CO(40kA)9Mechanical enduranceCycle3000010Rated breaking operations of rated currentCycle2000011Rated lighting impulse withstand voltagekV7512Rated power frequency withstand voltagekV4213Contact strokemm9±114Overtravel of contactsmm3.5±0.515Closing speedm/s0.4±0.816Main circuit resistance of each poleμΩ≤40≤45≤40≤3517Opening speedm/s0.9~1.318Contact bouncing duration at closing operationms≤219Simultaneity of three phase closing and openingms≤220Closing timems35~7021Opening timems20~5022Distance between phasesmm150,210,27523DC component50%Our FactoryPackaging&Delivery. Packaging detailsEach one is wrapped with plastic film in non-solid wooden case. Delivery detailsWithin 15 days from the date of receiving signed sales confirmation by both parties.