KFM2样本

JiangsuDaqoKFINEElectricCo.,Ltd.KFM2KFM2SeriesMCCB()ERPKEMAISO9001-2000KFW2KFM2KFM2LKFM2EKFQ2KFM2ZKFC2KFBKFRJiangsuDaqoKfineElectricCo.,Ltd(KFINE)wasinvestigatedbyDaqogroupCo.,Ltd(theformerJiangsuChangjiangElectricgroupCo.,Ltd).Thecompanyspecializesindeveloping,manufacturingandsellingoflow-voltageelectricequipment,andhasbeengiventhetitleofHigh-techEnterpriseofJiangsu.Thecompanyhasastrongtechnicalfoundationandmoderndesignmeans.Herehavethegoodcooperativemembershipwithshanghaielectricalapparatusresearchinstitute,Xi'anjiaotongUniversityandJiangsuUniversity.Andthepostdoctoralprogramsingroupcorporationplaysavitalroleinresearchesanddevelopment.ThecompanyconcentratesonthetechnicalimprovementandintroducessuccessivelyvariousinternationaladvancedmanufacturingandtestingequipmentsfromGermany,USA,JapanandSwiss.Allthoseprovidereliableguaranteeforhighqualityproducts.theACBandNCCBproductsarelistedinTorchHigh-techitemofChina,andwinmanyhonorsfromJiangsuprovinceandZhenjiangcity.ThecompanyhasbuiltERPsystemandHumanResourceadministionsysterm,andhaspassedtheISO9001:2000qualityauthentication.Now,theproductsdesignedanddevelopedbythecompanyinclude:theKFW2seriesintelligentACBandtheKFM2seriesMCCB,KFM2Lseriesresidualcurrentprotection,currentbreakerKFQ2seriesAutomatictrasfrerSwitches,KFM2EseriesIntelligentMCCB,KFM2ZseriesDCbreaker,KFC2seriesACcontactor,KFB1seriesMCCandKFR1seriesthermaloverlodrelay.AlltheproductsabovehavepassedtheChinaCompulsoryProductCertification(3C).Thebreakerisinthenationalhighestandmeettheinternationallever,theproductshavebeenwidelyapplyedinthefieldssuchaselectricpowerplant,chemicalindustry,ironandsteelindustry.Thecompanywhichfollowstheprincipleofcustomerfirstandcustomersatisfied,willadvanceandinnovatecontinuouslytomeetthemarketandtheuserswithstrongtechniquestrength,first-classmanufacturingequipmentandmodernmanagementmethods.OutlineKFM2KFM2SeriesMoldedcasecircuitbreakerContentsApplicationScopeStandardscomplicance11TypeanditsMeaning2Releasepatternandaccessorycode3Specificationoffour-polebreaker4Powerloss4Tableforchoosingquickly4MaintechnicaldataofMCCB6Operatingcharacteristic8Characteristiccurve8Outlinedimensionsandmountingdimensions14Internal/externalaccessories20Serviceandmaintenance26Orderingnotice291ApplicationScope&RelevantproductstandardApplicationScopeStandardsComplianceServiceConditionsKFM250Hz690V800A630A(Icu)C()S()M()H()KFM2Seriesmoldedcasecircuitbreakerhereinafterinafterreferedtoassimplybreakersisdesignedforcircuitof50Hza.c.,ratedoperationalvoltage690V(orbelow),ratedoperationalcurrentupto800A.Generallyitisusedforpowerdistribution.Thebreakerwithratedcurrentof630A(orbelow)canalsoserveasprotectionofmotor.Normally,KFM2breakerissuitforswitching-overormotorstartingincaseofoperatingnotsofrequently.Distributionbreakersareusedforpowerdistributinginnetandprotectthenetanditsinstallationfromoverload,short-circuitandunder-voltage.Motorprotectionbreakersareusedin380V(400V)netformotorstarting,switchinginitsrunningandprotectfromoverloadandshort-circuit.KFM2breakersareavailableinfourmodelaccordingtoitsratedultimateshort-circuitbreakingcapacity(Icu):theCmodel(Economicbreakingcapacity35kA),theSmodel(Standardbreakingcapacity50kA),theMmodel(Mediumbreakingcapacity65kA),andtheHmodel(Highbreakingcapacity80kA).KFM2GB14048.2-2001GB14048.4-1993IEC60947-2-19972000m+40-524+35+405020903IIIIIKFM2seriescircuitbreakerisdesignedtoconformwiththefollowingStandardsGB14048.2-2001LVSwitchgearandcontrolgear:LowvoltagebreakerGB14048.4-1993LVSwitchgearandcontrolgear:Lowvoltagecontactor&motorstarterIEC60947-2-1997LVSwitchgearandcontrolgear,part2:Low-voltagebreakerAltitude2000mAmbienttemperature:-5~+40;Itsaverageoveraperiodof24hdoesnotexceed+35;Therelativehumidityoftheairdoesnotexceed50%atamaximumtemperatureof+40.Higherrelativehumiditiesmaybepermittedatlowertemperatures,e.g.90%at+20.SpecialmeasuresmaybenecessaryincasesofoccasionalcondensationduetovariationstemperatureAplacewherethereare,intheair,noexplosivemedium,andgasordustwhichmaycausecorrosionofmetalorweakenessofinsulation.Aplacewithoutbeinghitbyrainandsnow.Pollutiondegree3.Overvoltagecategory.Thebreakershallbemountedinaccordancewiththemanufacturer'sinstruction.2TypeanditsmeaningApplicationCode*NN-poletypeofthefour-polebreaker**(3)Releasepattern&AccessoryCode(seepage3)NumberofpolesOperationMethodCode***(CSMH)Short-circuitBreakingCapacityGrade(C,S,M,H)FramesizeDesignserialnumberMouldedCaseCircuitBreakerCompanyCodeKFM2/TypeanditsMeaning*2**NANNBNNNCNNNDNN***DZNote:*Nocodefordistributionbreakers;2representsbreakersformotorprotection.**Therearefourtypesofneutralpole(Npole)offour-polebreakers;TypeA:Noover-currentreleaseisfittedontheN-pole,andtheN-poleismakingallthetimeanddoesn'tmakeandbreakalongwiththeotherthreepoles.TypeB:Noover-currentreleaseisfittedontheN-pole,andtheN-polemakesandbreaksalongwiththeotherthreepoles.(N-polemakesbeforandbreaksaftertheotherpoles)TypeC:Over-currentreleaseisfittedontheN-pole,andtheN-polemakesandbreaksalongwiththeotherthreepoles.(N-polemakesbeforandbreaksaftertheotherpoles)