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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. Permanent magnet stepping motors are generally two-phase, with small torque and volume, and the step angle is generally 3.75 degrees, 7.5 degrees, 15 degrees or 18 degrees, etc. 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.
     
  • PG15 Permanent Magnet Gearmotors

    PG15 Permanent Magnet Gearmotors

    Miniature Permanent Magnet Stepper Motors with Integrated Gearboxes, Small Size , 15mm Diameter, 2 phase
    Brand:MOONS'
  • Item Phase Frame Size Length
    (mm)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Price
    (USD)
    Compare
    PG15L0050-15P020S0-02 2 15mm 22.5 0.05 49
    $28.80
  • 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 Frame Size Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Price
    (USD)
    Compare
    20PM020L8-00702 2 20mm 19.3 0.43 0.0155 15.5
    $24.57
    20PM020L8-02101 2 20mm 19.3 0.25 0.0155 15.5
    $24.57
    20PM020S0-01002 2 20mm 14.3 0.33 0.009 9
    $23.50
    20PM020S0-02501 2 20mm 14.3 0.21 0.01 10
    $23.50
    PG22L45.2-20PM020L0-17 2 22mm 60 0.5 0.2 200
    $45.00
    PG22L71.7-20PM020L0-14 2 22mm 55 0.46 0.42 420
    $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 Frame Size Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Price
    (USD)
    Compare
    25PM024L8-00801 2 25mm 17 0.47 0.016 16
    $23.99
    25PM024L8-01403 2 25mm 17 0.35 0.017 17
    $23.99
    25PM024S8-00601 2 25mm 12.5 0.5 0.0105 10.5
    $22.95
    25PM024S8-01601 2 25mm 12.5 0.32 0.0155 15.5
    $22.95
    25PM048L9-00801 2 25mm 17 0.47 0.027 27
    $23.99
    25PM048L9-01401 2 25mm 17 0.35 0.027 27
    $23.99
    25PM048S9-00601 2 25mm 12.5 0.5 0.017 17
    $22.95
    25PM048S9-01601 2 25mm 12.5 0.32 0.023 23
    $22.95
    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 Frame Size Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Price
    (USD)
    Compare
    35PM024L9-00502 2 35mm 21.3 0.63 0.045 45
    $25.45
    35PM024L9-01204 2 35mm 21.3 0.4 0.045 45
    $25.45
    35PM024L9-07501 2 35mm 21.3 0.16 0.049 49
    $25.45
    35PM024S9-00502 2 35mm 15.3 0.6 0.027 27
    $24.43
    35PM024S9-01201 2 35mm 15.3 0.38 0.027 27
    $24.43
    35PM024S9-08001 2 35mm 15.3 0.15 0.031 31
    $24.43
    35PM048L8-00506 2 35mm 21.3 0.63 0.067 67
    $25.45
    35PM048L8-01201 2 35mm 21.3 0.4 0.067 67
    $25.45
    35PM048L8-07501 2 35mm 21.3 0.16 0.07 70
    $25.45
    35PM048S8-00501 2 35mm 15.3 0.6 0.045 45
    $24.43
    35PM048S8-01201 2 35mm 15.3 0.38 0.045 45
    $24.43
    35PM048S8-08001 2 35mm 15.3 0.15 0.054 54
    $24.43
    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 Frame Size Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Price
    (USD)
    Compare
    42PM048L1-00302 2 42mm 21.3 0.85 0.12 120
    $26.98
    42PM048L1-00711 2 42mm 21.3 0.55 0.12 120
    $26.98
    42PM048L1-06001 2 42mm 21.3 0.2 0.125 125
    $26.98
    42PM048S0-00501 2 42mm 15.3 0.65 0.087 87
    $25.66
    42PM048S0-01201 2 42mm 15.3 0.42 0.083 83
    $25.66
    42PM048S0-08001 2 42mm 15.3 0.15 0.08 80
    $25.66
    42PM096L1-00301 2 42mm 21.3 0.85 0.097 97
    $26.98
    42PM096L1-00701 2 42mm 21.3 0.55 0.092 92
    $26.98
    42PM096L1-06001 2 42mm 21.3 0.2 0.09 90
    $26.98
    42PM096S0-00501 2 42mm 15.3 0.65 0.096 96
    $25.66
    42PM096S0-01201 2 42mm 15.3 0.42 0.094 94
    $25.66
    42PM096S0-08001 2 42mm 15.3 0.15 0.078 78
    $25.66
    Show more