g Energysaving

g Increasedproductivity

g Extendedlifetime

g Lowermaintenance

g AvailableasIE2andIE3

g Availabletomeetall

globalenergyefficiency

requirements

Motors | Automation | Energy | Transmission & Distribution | Coatings

W22 ThreePhaseMotor

www.weg.net

W22ThreePhaseMotor2

W22Efficiencyandreliabilityforindustry

Low cost of ownership

Amotorthathasbeendesignedtooperateefficientlyandeffectivelygivingmaximumreliabilitytotheuserthuseliminatingunplannedstopsanddelaysinproductionandalongerlifetime-thisiswhatisbehindtheW22concept.

Energy saving

Energyconsumptionaccountsfor90%oftotaloperationalcoststhroughoutthelifetimeofanelectricmotor,theremaining10%isallocatedtocostofacquisition,installationcostsandmaintenancecosts,makingenergyefficiencyamajorobjectiveofthedesign.TheW22rangeexceedstherequiredEuropeanefficiencylevelsofIE2andIE3andisavailabletomeetallglobalefficiencyrequirementsgivingenergysavingsandreducedpaybacktime.

Versatility

Framesizes225S/Mto355A/Bhaveaterminalboxdesignthatallowsforeasymodificationfromtopmountedtoright/leftmountingbyuseofanadapterdevice,thisreducesstockrequirementsandmodificationtime.

High performance with maximum energy efficiency, this is the objective of the new WEG electric motor. High efficiency and Low cost of Ownership throughout the entire motor lifetime have been the basis for the W22 development.

Built to last

W22motorshavebeenbuiltusinghighqualityiron,castatWEG’sownfoundries,ensuringmaximumdurabilityandhighperformanceinaggressiveconditions.Thenewfancoverdesignprovidesgreaterresistanceagainstimpactsandallowsformoreefficientintakeofairforthecoolingofthemotor.Thedesignoftheendshieldhasbeenimprovedallowingfor

greaterdissipationofheatawayfromthebearing.

Inverter Duty applications

TheexclusiveWISE®insulationsystemusedontheW22rangeincreasesthewindingdielectricalresistance,thusallowingVFDoperationupto575vwithoutrequiringfurthermodificationwhichresultsinflexibilityandextendedmotorlifetime.* Voltages above 575 v, please contact our nearest

sales office.

Future Range Development

TheW22isthebasisforfuturemotordevelopmentswhichincludeHazardousareamotors,Smokeextractionmotorsandapplicationspecificdesigns,withtheobjectivebeingenergyefficiencyandlowercostofownership.

www.weg.net

W22ThreePhaseMotor 3

W22, a new concept

g Excellentcostbenefitratiog Optimizationofenvironmentalresourcesg Updatedelectricalfeaturesg Noiselevelreductiong Vibrationlevelreductiong Easiermaintenanceg Improvedefficiencylevels

Productoverview

Standard featuresg Efficiencylevels:StandardEfficiency(IE1),HighEfficiency

(IE2)andPremiumEfficiency(IE3)g Coolingmethod:TEFC(Totallyenclosedfan cooled)–IC411g Ratedoutput:0,12to500kWg NumberofPoles:2,4,6,8,10and12g Framesizes:63upto355A/Bg Frequency:50Hzand60Hzg Voltage:50Hz:220-240/380-415V(uptoframe size100L)/380-415/660V(112Mto355A/B) 60Hz:220/380V(uptoframesize100L)/380/660V (112Mto355A/B)g Paintingplan:207Aforframes63upto132M/Land203A

forframes160Mto355A/Bg Color:RAL5007(StandardEfficiency–IE1) RAL5009(HighEfficiency–IE2) RAL6002(PremiumEffiicency–IE3)g DesignNg Servicefactor:1.00g Ambienttemperature:40°C,at1000m.a.s.l.g Class“F”insulation(ΔT=80K)g Degreeofprotection:IP55g Mounting:B3Tg Terminalblockg Vibrationlevel:GradeAg Continuousduty:S1g WISE®(WEGInsulationSystemEvolution)insulation system-Suitableforinverterdutyapplications*g Thermistors(1perphase)forframes160Mto355A/Bg Squirrelcagerotor/Aluminiumdiecastg V‘Ringsealforframes63to200LandWSeal® forframes225S/Mto355A/Bg StainlesssteelnameplateAISI316g FanCovers:steelmadeforframes63to132M/L andcastironmadeforframes160Mto355A/Bg Regreasingnippleforframes225S/Mto355A/Bg Metricthreadedcableentriesontheterminalboxg SpecialInsulationforvoltageabove575V

* For additional details about Inverter operation, please contact our technical support.

Optional availableg Othermountingsg Othervoltagesg DesignHg Class“H”insulationg FlangeFF,C,C-DINg Vibrationlevel:GradeBg Suitabletotakevibrationmonitoring

SPMg Thermalprotection:ThermostatsorRTD

(PT-100)onwindingsandbearingsg Degreeofprotection:IP56,IP65,IP66g Bearingseals:Lipseal,Oilseal,

LabyrinthtaconiteandW3Seal®g Additionalterminalboxforaccessoriesg Spaceheatersg Fans:Aluminum,castironandbronzeg Dripcoverforverticalapplicationsg Doubleshaftendg Encoderg Cableglandsinplasticandbrassg Stainlesssteelshaftg Coolingmethod:TEBC(Totallyenclosed

blowercooled)g Rollerbearing(160Mto355A/B)g Insulatednon-driveendbearing(upto

framesize225S/M)g Optionsavailabletoeliminatestrayshaft currents

Forelectricalandmechanicaldata,seetheProducts&Servicesareaonourwebsite

www.weg.net

www.weg.net

W22ThreePhaseMotor4

Frame

g Terminalboxpositionchangedinordertoimprovetemperaturadisspation(forframesizes225S/Mto355A/B)

g Reducedtemperatureonwindingsandbearings

g Noiselevelreduction

Place for monitoring devicesg Displaced900fromeachother

Two eyeboltsg Easierhandlingg Highermechanicalresistanceand

betterhandlingsafety

Solid feetg Moreimpactresistanceg Idealforhighvibration levelapplicationsg Easierinstallationandaligment

ComponentsDesign

New Cooling System

Fan Coverg Aerodynamicconceptg Reducednoiselevelg Easierassemblyg Betterairflowdistributionoverframeg Increasedmechanicalstrengthg Provisionsforencoderanddripcover

Fang Reductionoffanbladesg Reinforcedfanhubstructureg Noiselevelreductiong Increasedairflowg Morerigidfang Partsreductionforeasierreplacementstock

Endshields

DE (Drive Endshield)g Newfindesigng Reducingoperatingtemperatureg Reinforcedendshieldstructureg Boltprotection

NDE (Non-Drive Endshield)g Newdesignwithsmoothsurfaceg Improvedairflowg Noiselevelreductiong Reinforcedstructure

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W22ThreePhaseMotor 5

Terminal Box

g Betterconnectionqualityg Easiercablehandlingduringinstallationg Morespaceavailableforinstallationof

auxilliarydevicesg Easiermaintenanceg Top/Left/Rightmountingconfigurationg Rotationin90ointervalsg Diagonallysplitdesign

Bearing Caps

Externalg Ribbedsurfaceforimprovementofbearing

heatdissipation

Internal g Bearinglubricationqualityimprovementg Reducedbearingtemperatureextending

lubricationtimes

Sealing system

g TheexclusiveWSeal®forframesizes225S/Mto355A/B

g Increaseddustandmoistureprotectiong Increasedprotectiontohigh-pressurecleaning

www.weg.net

W22ThreePhaseMotor6

New cooling systemRedesignedtoprovideimprovedairflowoverthemotorframekeepinglowoperationaltemperaturesandassuringreliabilityandextendedlifetime.Theaerodynamicconceptofthefancoverincreaseseffectiveairflow,minimizinglossesduetotherecirculationofairbetweenthefanandfancover.Thefanwasdesignedtoprovideatoughstructureandareducednoiselevel.Motorterminalbox(forframesizes225S/Mto355A/B)andeyeboltswererepositionedtoenablebetterairflow.Thisnewcoolingsystemalsocontributesto:g Coolerbearingtemperaturethusextendingrelubrication

intervals.g LowerNoiseLevelmeetingthemostdemandingHealth&

Safetyregulations.g LowerOverallOperationalTemperatureresultinginamore

efficientmaterialusage.

DesignDetails

Terminal box Increasedinternalspacemakingtheterminalblockmoreaccessibletotheuserensuringeasierandsafecablehandlingandcableconnection.Thedimensionsareoptimizedtoprovidemorespaceforthepowersupplycablesandauxiliaryconnectorsresultingineasierassembly.Forframesizes225S/Mto355A/B,theterminalboxcanbemountedontop,leftorrightsideofthemotorusingthesameframe,andwasplacedclosertothedriveendresultinginbearingtemperatureandnoiselevelreduction.

www.weg.net

W22ThreePhaseMotor 7

Exclusive shaft sealing system WSeal®Extendsmotorlifetimewhenoperatinginaggressiveenvironmentsbyprotectingthemotoragainstwateranddustguaranteeingaproperdegreeofprotection(availableforframesizes225S/Mto355A/B).

FrameThemotorfeetareintegrallycastprovidingincreasedmechanicalrigidty.Forframesizes160Mto355A/B,theframedesignalsohaspointsthatcanbeusedasprovisionsforvibrationsensorsasastandardfeature.Benefitsfromthenewframedesign:g Motortemperaturereductiong Eyeboltsrepositioned-easierhandlingfortheapplication.g Provisionforvibrationsensors-frameandendshieldswith

provisionsforreliablevibrationanalysis(framesizes160Mto355A/B),forreliablevibrationanalysis.

g Solidfeet-Enhancedresistancewhenoperatingathighvibrationapplicationandalsoprovideeasieralignment

oninstallation.

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WEG Equipamentos Elétricos S.A.International Division Av. Prefeito Waldemar Grubba, 3000 89256-900 - Jaraguá do Sul - SC - Brazil Phone: 55 (47) 3276-4002 Fax: 55 (47) 3276-4060 www.weg.net