Product Name: Zn12-12 Indoor High Voltage Vacuum Circuit Breaker Model NO.: ZN12-12 Certification: ISO9001-2000 Function: Conventional Circuit Breaker Type: Circuit Breaker Structure: ACB Installation: Fixed Arc-extinguishing Medium: Vacuum Speed: High-Speed Circuit Breaker Operation: Electric Type Breaking Capacity: High Voltage Circuit Breakers Rated Voltage: 12kv Rated Current: 630/1250/1600/2000/2500/3150A Rated Frequency: 50/60Hz Trademark: Longxiang Electric Transport Package: Non-Solid Wooden Case for Export Shipment Specification: IEC: M2-E2-C2 Origin: China Baoji HS Code: 85389000 Product Description ZN12-12SeriesofIndoorHVVacuumCircuitBreakerGeneralDescriptionZN12-12seriesofindoorhighvoltagevacuumcircuitbreakeristhreephaseA.C.50(60)Hzindoorhighvoltagedistributionequipmentwith12kVratedvoltageandbelow.Thisischaracterizedbysimpleconstruction,stroingbreakingcapability,longlifewithcompleteoperatingfunctionsandconvenientmaintenance.Itissuitableforcontrollingandprotectingtransmissionanddistributionsystemsuchaspowergenerationplantandsubstation,especiallyusedinthefiledwhereitisfrequentlyoperated.Thiskindofvacuumcircuitbreakercanbeusedforfixedswitchgears(XGN2andGGIA),italsocanbeequipmentwithtruckusedforvariespanelslikeJYN2,KYN1andkny49aswellasusedforreconstructionforold-fashionedoilswitchgear.Structuralcharacteristics:1.TheoperatingmechanismisintroducedthetechniqueofoperatingmechanismfromSiemens3AFvacuumcircuitbreaker,theoperatingmechanismisintegratedwithvacuumcircuitbreaker,withcharacteristicsofshorttransmissionroutes,lesschainsandhightransmissionefficiency.2.Thisoperatingmechanismadoptsspringtype,itcanbeoperatedbyACorDC,alsocanbeoperatedbymanual.Applyingambientconditions1.Ambienttemperature:-15~+40ºC.2.Theheightabovesealevel:≤1000m(besidesthespecialrequirements).3.Relativehumidity:theaveragehumidityofadayshouldbenomorethan95%;theaveragehumidityofamonthshouldbenomorethan90%.4.Saturatedvaporpressure:theaveragepressureofadayshouldbenomorethan2.2kPa:the averagepressureofamonthshouldbenomorethan1.8kPa.5.Earthquakeintensity:notexceed8degrees.6.Itshouldbeinstalledintheplaceswithoutfire,explosion,seriousfilth,chemicalerosionandviolentvibration.