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Motor Length(mm)
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Holding Torque(oz-in)
Frame Size(mm)
Reduction Ratio
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Price

Permanent Magnet Stepper Motors 

 
 
Permanent Magnet Stepper Motors
Permanent magnet stepper motors use a permanent magnet (PM) in the rotor and operate on the attraction or repulsion between the rotor PM and the stator electromagnets. The step angle for permanent magnet stepping motors is usually 3.75 degrees, 7.5 degrees, 15 degrees, or 18 degrees, depending on the model. They are generally two-phase, have low torque and volume, and have a small step angle. MOONS' PM stepper motors are widely applied in many innovative applications, including computer equipment, photographic systems, optoelectronic devices, valve control, ATM equipment, CNC machine, automatic winding machines, electronic clocks, and medical equipment.

What is a Permanent Magnet Stepper Motor?

The PM motor is an inner rotor type motor, and the outer surface of the cylindrical rotor is evenly distributed with N and S poles.

What are the differences between PM and VR and Hybrid stepper motors?

Comparison of performance parameters of PM motor and VR, Hybrid stepping motor.

Technical about Rated Current

Rated current of PM stepper is limited by thermal characteristics.
     
  • 8mm Permanent Magnet Stepper Motors

    8mm Permanent Magnet Stepper Motors

    Miniature Permanent Magnet DC Stepper Motor, Small Size, 8mm Diameter, 2 phase, 18°
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Coil Type Price
    (USD)
    Compare
    8PM020S1-02001 2 8.5 0.25 4.0E-4 0.4 0.06 Bi-Polar
    $40.00
  • 10mm Permanent Magnet Stepper Motors

    10mm Permanent Magnet Stepper Motors

    Miniature Permanent Magnet DC Stepper Motor, Small Size, 10mm Diameter, 2 phase, 18°
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Coil Type Price
    (USD)
    Compare
    10PM020S1-04001 2 8.8 0.2 5.0E-4 0.5 0.07 Bi-Polar
    $43.00
  • 15mm Permanent Magnet Stepper Motors

    15mm Permanent Magnet Stepper Motors

    Miniature Permanent Magnet Stepper Motors, Small Size, 15mm Diameter, 2 phase
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Reduction Ratio Coil Type Nominal Voltage Price
    (USD)
    Compare
    PG15L0050-15P020S0-02 2 22.5 0.05 49 6.95 01:50 Bi-Polar 5Vdc
    $28.80
    15PM020S0-01002 2 11.35 0.0036 3.6 Bi-Polar 5Vdc
    $20.50
  • 20mm Permanent Magnet Stepper Motors

    20mm Permanent Magnet Stepper Motors

    Miniature Permanent Magnet DC Stepper Motor, Small Size, 20mm Diameter, 2 phase, 18°
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Reduction Ratio Coil Type Nominal Voltage Price
    (USD)
    Compare
    20PM020S0-01002 2 14.3 0.33 0.0085 8.5 1.18 Bi-Polar
    $23.50
    20PM020S0-02501 2 14.3 0.21 0.0085 8.5 1.18 Bi-Polar
    $23.50
    20PM020L6-00702 2 19.3 0.43 0.012 12 1.67 Bi-Polar
    $24.57
    20PM020L6-02101 2 19.3 0.25 0.012 12 1.67 Bi-Polar
    $24.57
    PG22L45.2-20PM020L0-22 2 60 0.5 0.2 200 28.32 45.2 Bi-Polar 30Vdc
    $45.00
    PG22L71.7-20PM020L0-21 2 55 0.46 0.42 420 59.47 71.7 Bi-Polar 30Vdc
    $55.00
    Show more
  • 25mm Permanent Magnet Stepper Motors

    25mm Permanent Magnet Stepper Motors

    Miniature Permanent Magnet DC Stepper Motor, Small Size, 25mm Diameter, 2 phase
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Coil Type Price
    (USD)
    Compare
    25PM024S0-00601 2 12.5 0.5 10 1.39 Bi-Polar
    $22.95
    25PM024S0-01602 2 12.5 0.32 11 1.53 Bi-Polar
    $22.95
    25PM048S8-00601 2 12.5 0.5 16 2.22 Bi-Polar
    $22.95
    25PM048S8-01601 2 12.5 0.32 16 2.22 Bi-Polar
    $22.95
    25PM024L6-00801 2 17 0.47 17 2.36 Bi-Polar
    $23.99
    25PM024L6-01401 2 17 0.35 18 2.5 Bi-Polar
    $23.99
    25PM048L8-00801 2 17 0.47 25 3.47 Bi-Polar
    $23.99
    25PM048L8-01401 2 17 0.35 27 3.75 Bi-Polar
    $23.99
    Show more
  • 35mm Permanent Magnet Stepper Motors

    35mm Permanent Magnet Stepper Motors

    Permanent Magnet Stepper Motor, Small Size, 35mm Diameter, 2 phase
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Coil Type Price
    (USD)
    Compare
    35PM024S8-00502 2 15.3 0.6 22 3.06 Bi-Polar
    $24.43
    35PM024S8-01201 2 15.3 0.38 22 3.06 Bi-Polar
    $24.43
    35PM024S8-08001 2 15.3 0.15 22 3.06 Bi-Polar
    $24.43
    35PM048S0-00508 2 15.3 0.6 48 6.67 Bi-Polar
    $24.43
    35PM048S0-01203 2 15.3 0.38 46 6.39 Bi-Polar
    $24.43
    35PM048S8-08001 2 15.3 0.15 46 6.39 Bi-Polar
    $24.43
    35PM024L8-00502 2 21.3 0.63 42 5.83 Bi-Polar
    $25.45
    35PM024L8-01202 2 21.3 0.4 42 5.83 Bi-Polar
    $25.45
    35PM024L8-07501 2 21.3 0.16 36 5 Bi-Polar
    $25.45
    35PM048L6-00501 2 21.3 0.63 62 8.61 Bi-Polar
    $25.45
    35PM048L6-01201 2 21.3 0.4 62 8.61 Bi-Polar
    $25.45
    35PM048L6-07501 2 21.3 0.16 62 8.61 Bi-Polar
    $25.45
    Show more
  • 42mm Permanent Magnet Stepper Motors

    42mm Permanent Magnet Stepper Motors

    Permanent Magnet Stepper Motor, Small Size, 42mm Diameter, 2 phase
    Brand:MOONS'
  • Item Phase Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (mNm)
    Holding Torque
    (oz-in)
    Coil Type Price
    (USD)
    Compare
    42PM048S8-00501 2 15.3 0.65 74 10.28 Bi-Polar
    $25.66
    42PM048S8-01209 2 15.3 0.42 64 8.89 Bi-Polar
    $25.66
    42PM048S8-08001 2 15.3 0.15 64 8.89 Bi-Polar
    $25.66
    42PM096S4-00501 2 15.3 0.65 54 7.5 Bi-Polar
    $25.66
    42PM096S4-01201 2 15.3 0.42 54 7.5 Bi-Polar
    $25.66
    42PM096S4-08001 2 15.3 0.15 54 7.5 Bi-Polar
    $25.66
    42PM048L8-00302 2 21.3 0.85 95 13.2 Bi-Polar
    $26.98
    42PM048L8-00703 2 21.3 0.55 95 13.2 Bi-Polar
    $26.98
    42PM048L8-06001 2 21.3 0.2 102 14.17 Bi-Polar
    $26.98
    42PM096L8-00301 2 21.3 0.85 78 10.83 Bi-Polar
    $26.98
    42PM096L8-00701 2 21.3 0.55 78 10.83 Bi-Polar
    $26.98
    42PM096L8-06001 2 21.3 0.2 78 10.83 Bi-Polar
    $26.98
    Show more
  • Actuator of Permanent Magnet Stepper Motors

    Actuator of Permanent Magnet Stepper Motors

    Actuator of PM motor,Compact on-off actuator, suitable for HVAC applications
    Brand:MOONS'
  • Item Stroke
    (mm)
    Over Stroke
    (mm)
    Maximal Force
    (N)
    Price
    (USD)
    Compare
    GM0169L307SC-01 7 3.5 80
    GM0169L307SC-02 10 3.5 70