ProductDescriptionDD28Meterisaplicableforsinglephaseactiveenergymeasurement,itisdesignedtomeetIEC60521standardforindoorandoutdoorinstallation1.Case1.1base:SteelsheetWeatherproofsteelsheet1.2metercover:ItismadeofABSmaterial,flameresistand,inblackcolourwithglasswindow.Metercovercanalsobemadeoftransparentglass,weatherproof,andtransparentplastic.1.3terminalblock:Itismadeofphenolicresin,flameresistant,inblackcolor,voltagelinkcanbeinsidethemeterbaseoroutsidethemeterbase.Terminalsaremadeofbrasshavingtwoscrewsfortighteningtheexternalcables1.4terminalblockcoverShortsteelcoverrubberundersidethecoverassuresinsulationbetweenthecoverandtheterminalblockShortABScovernonflammabilityofABS,coverconformstorequirementsofIEC60521Extendedsteelcoverrubberundersidethecoverensuresinsulationbetweenthecoverandtheterminalblock,accessisavailableateachsideoftheterminalcoverforexternalcables2.DrivingelementCurrentelectromagnetTheoverloadcompensatingsetmountedonthelaminatedsiliconsteelcoreassurestheexcellentloadcurveperformanceVoltageelectromagnetThedesignofvoltageelectromagnetpermitstowithstandtheimpulsevoltageof6kv3.BrakingelementBrakingelementismadeofmonopolarmagnet,itsadjustmentrangecomformstorequirementsofIEC605214FrameThemeterframeismadeofaluminumalloywithsufficientstrength,itispaintedforeffectiveprotectionagainstcorrosion5MovingelementWormgearontherotorshaftismadeofbrassoroptionallyplasticone,AnticreepingpinisfittedtotherotorshafttopreventrunningwithnoloadAntireversedevicecanbemountedinthemeterifitisrequiredUpperbearingWithexcellentfrictionresistantpropertytheupperbearingpinisofpolishedstainlesssteeltoguidetherotatingofthediscLowbearing(optional)DoublejewelbearingMagneticbearingwithmetalenclosureMagneticbearingwithtransparentenclosurethebearingenclosureismadeoftransparentpolycarbonate6.RegisterTheregisterisofcyclometertype,withframemadeofaluminumalloy,digitdrumsaremadeofpolycarbonate,UVradiationresistant,theregisterisfixedonthemeterframebytwoscrewsitisadjustabletoassuregoodmeshofwormwiththerotorshaftUnidirectionalregisterisavailable7,nameplatePrintinginkusedfornameplateisUVradiationresistantone Trademark:XIANKAIModel:DD28AluminumcoverStandard:IEC521GB