Product Name: Ywf-450 Cooling Ventilation External Rotor Motor Axial Fan Model NO.: YWF-450 Certification: RoHS, ISO, CE, CCC Mounting: Bracket Electric Current Type: AC Type: Axial Fan Blade Material: Steel, Powder Coated in Black Material: metal Motor: 100% Copper Bearings: Deep Groove Ball Bearing Color: Black Life: 30,000-50,000 Hours Trademark: meansoon Transport Package: Cartons Specification: CE, ROHS Origin: Hangzhou HS Code: 8414599050 Product Description Axial fans with external rotor motor/cooling fan/ventilation fanApplicationAirheaters,coolingunits,heatpumps,evaporators,condensers,electronicequipmentFeaturesMEANSOONaxialfanswithexternalrotormotordriveoffersfeaturessuchasspacesaving,compactandattractivedesign.Themotorisfittedwithintheimpeller,whichenablesthebestpossiblecooling.Externalrotormotorshaveextremelylowstartingcurrents,themotorscanapplytoprotectionclassIP54.ThewindingscomplytoinsulationclassB,withthermalprotectorinmotorwindingsasstandardformotorprotection.Thefancanworkwithambienttemperature-30~60ºC.ElectricalconnectionThemotorarefittedwithflyingleadcable.TheelectricalconnectioncanbemadeviaanIP54terminalbox,whichissuppliedloose.SpeedcontrolMEANSOONexternalrotormotorasparticularlysuitedto100%speedcontrolbyvoltagevariation.Thebestresultsareobtainedbyusingauto-transformersofsiliconcontrolledvelometer.Themotorspeedcanbecontrolledbyfrequencyvariation(atransducerforexample).Impeller/bladesBladesaremadeofsheetsteel,powdercoatedinblack,againsterodingwell,weldeddirectlytotherotorofmotor,andthemotorimpellerisbalanceddynamicallyandstaticallyaccordingtoqualityG6.3.GuardgrillsMEANSOONguardgrillsaremadeofsteelwire,powdercoatedinblack,servingasfingerprotectionandformountingthefanontotheinletring.Performancecurves(airflow&staticpressure)Ourperformancecurvesaretestedatairdensityof1.2kg/m3withatemperatureof20ºCNoiseLevelsNoiseissoundpressurelevel,measuredonemeterfromtheairinlet.LifeexpectancyTheMEANSOONmotorandfansdescribedinthecatalogarefittedwithballbearingsforuseinanymountingattitude.L10lifeexpectancyisbetween30,000and50,000hours,dependingontheapplicationandambientconditions.AvailableonrequestDifferentvoltageandfrequencyLongercablesBetterbearingsSpecialdemands