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45mm Outer Rotor Brushless DC Motor



Compact size ,high quality ,high precision

Application:robot,coffee machine

 

  • Technical Specification

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    GENERAL SPECIFICATION

    Winding type Star Insulation Resistance 100MΩMin. ,500VDC
    Hall effect angle 120 degree electrical angle Dielectric Strength 500VAC for one minute
    Resistance Accuracy ±10% @20℃ Shaft Radial Play 0.02Max. (450 g-load)
    Inductance Accuracy ±20% @1kHz Shaft Axial Play 0.15Max. (450 g-load)
    Ambient Temperature -20℃~+50℃ Insulation class Class B

    ELECTRICALSPECIFICATION

    Model 45DMWO18-2450 45DMWO22-2452 45DMWO27-2448
    Number of poles 16
    Number of phase 3
    Rated voltage VDC 24
    Rated speed RPM 5000 5250 4860
    No-load speed RPM 6500 6710 6110
    No-load current A        0.5 0.5 0.5
    Rated power W 30 50 70
    Rated torque mN.m 50 84 130
    Rated current A 1.6 2.6 3.6
    Peak torque mN.m 150 252 390
    Peak current A 4.8 7.8 10.8
    Maximum efficiency % 80 83 85
    Line to line resistance ohms 1.42 0.7 0.56
    Line to line inductance mH 0.59 0.33 0.27
    Torque constant mN.m/A 35.3 34.2 37.2
    Back E.M.F Vrms/KRPM 2.61 2.53 2.75
    Rotor inertia g.cm2 99 135 181
    Weight Kg 0.08 0.12 0.15
    Length mm 18 21.6 27