DC Motor L-AT60 Series Typical Applications: Garage Door; Lifting System. Outline Parameter: Diameter: 64mm; Round Length: 91mm. Technical Parameter: MODEL VOLTAGENO LOADAT MAXIMUM EFFICIENCYSTALLOPERATIN RANGT NOMINAL V DCSPEEDCURRENTSPEEDCURRENTTORQUEOUTPUTEFFICIENCYTORQUECURRENTRPMARPMAkg.cmN.mW%kg.cmN.mAL-AT60-552212.0-18.012.035±50.631±52.668.576.7221.870.0285.3829.129.4L-AT60-551822.0-30.024.085±51.075±52.961.226.04869.0499.851.017.0 We can also adjsut the motor specificatins according to customers' need. tel: