CALLTOORDER:U.S.Phone219879-8000•U.K.Phone(+44)(0)1494-461707•AustraliaPhone(+61)(0)242722055 151 DamperActuators AIRQUALITY DDAandDDCSeriesDirectCoupledActuators arenon-springreturn actuatorsthatareperfectforpositioningofdampersandvalvesinHVAC systems.DDAactuatorsaredesignedtoacceptfloatingcontrolsignalsand comeinavarietyofpowersupplies.DDCactuatorsaredesignedtoaccept4to 20mAor0to10VDCmodulatingcontrolsignalsandare24VACpowered. DDCunitsfeaturea0to10VDCfeedbacksignalofdamperposition.Actuators produce17to70in-lb(2to8Nm)oftorque.Contactfactoryforoptionalinternal auxiliaryswitchonDDA. FEATURES •Directmount •Actuatortravelindicator •Overloadprotection •Manualoverride •FloatingcontrolsignalonDDA •Modulating4to20mAor0to10VDCcontrolsignalonDDC •PositionfeedbacksignalonDDC •60,000cyclesnominal SPECIFICATIONS PowerRequirements:DDA:110VAC,24VAC,±10%,50/60Hz,single phase.Optional230VAC;DDC:24VAC,±10%,50/60Hz,singlephase. PowerConsumption:DDA:110VACmodels:5VA,230VACmodels: 5VA,24VACmodels:3VA;DDC:4VA. ControlInput: DDA:Two-position,floating;DDC:4-20mAor0-10 VDC. OverloadProtection:Magneticclutch. AngleofRotation:95°(mechanicallyadjustable). FitsShaftDiameter: 0.4˝(10mm)or0.5˝(13mm). PositionIndication: Visualindicator. DirectionofRotation:CW/CCW. RunningTime:17in-lb,35in-lb,53in-lb:72sec.;70in-lb:160sec. ElectricalConnection:Terminalblock,18AWG. ManualOverride: Pushbutton. TemperatureLimit: -22to122°F(-30to50°C). Sound:<45dB. LifeExpectancy:60000fullcycles. Housing:NEMA2(IP40). StandardAccessories: (2)imitativebaffles,(2)bafflesetscrews,(1) actuatorbodysetscrew,and(1)aluminumgasket. Weight:1.72lb(0.78kg). Model DDA11 DDA13 DDA21 DDA23 DDA31 DDA33 DDA41 DDA43 DDC13 DDC23 DDC33 DDC43 Size/Torque 17in-lb[2Nm] 17in-lb[2Nm] 35in-lb[4Nm] 35in-lb[4Nm] 53in-lb[6Nm] 53in-lb[6Nm] 70in-lb[8Nm] 70in-lb[8Nm] 17in-lb[2Nm] 35in-lb[4Nm] 53in-lb[6Nm] 70in-lb[8Nm] 5-23/32 [145.26] 4-53/64 [122.63] 17/32 SQ [13.49] 3-25/64 [86.12] 63/64 [25.00] 2-59/64 [74.22] 1-47/64 [44.05] 9/64 [3.57] 21/32 [16.67] Non-SpringReturnDirectCoupledActuators LowCost,Two-PositionorModulating Series DDA & DDC SupplyVoltage 110VAC 24VAC 110VAC 24VAC 110VAC 24VAC 110VAC 24VAC 24VAC 24VAC 24VAC 24VAC Input Floating Floating Floating Floating Floating Floating Floating Floating Modulating Modulating Modulating Modulating 151:Layout27/12/11 3:10 PM Page 1Next >