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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 Length
    (mm)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Coil Type Price
    (USD)
    Compare
    PG15L0050-15P020S0-02 2 22.5 0.05 49 Bi-Polar
    $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 Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (Nm)
    Holding Torque
    (mNm)
    Coil Type Price
    (USD)
    Compare
    20PM020L6-00702 2 19.3 0.43 0.012 12 Bi-Polar
    $24.57
    20PM020L6-02101 2 19.3 0.25 0.012 12 Bi-Polar
    $24.57
    20PM020S0-01002 2 14.3 0.33 0.0085 8.5 Bi-Polar
    $23.50
    20PM020S0-02501 2 14.3 0.21 0.0085 8.5 Bi-Polar
    $23.50
    PG22L45.2-20PM020L0-17 2 60 0.5 0.2 200 Bi-Polar
    $45.00
    PG22L71.7-20PM020L0-14 2 55 0.46 0.42 420 Bi-Polar
    $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)
    Coil Type Price
    (USD)
    Compare
    25PM024L6-00801 2 17 0.47 17 Bi-Polar
    $23.99
    25PM024L6-01401 2 17 0.35 18 Bi-Polar
    $23.99
    25PM024S0-00601 2 12.5 0.5 10 Bi-Polar
    $22.95
    25PM024S0-01602 2 12.5 0.32 11 Bi-Polar
    $22.95
    25PM048L8-00801 2 17 0.47 25 Bi-Polar
    $23.99
    25PM048L8-01401 2 17 0.35 27 Bi-Polar
    $23.99
    25PM048S8-00601 2 12.5 0.5 16 Bi-Polar
    $22.95
    25PM048S8-01601 2 12.5 0.32 16 Bi-Polar
    $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 Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (mNm)
    Coil Type Price
    (USD)
    Compare
    35PM024L8-00502 2 21.3 0.63 42 Bi-Polar
    $25.45
    35PM024L8-01202 2 21.3 0.4 42 Bi-Polar
    $25.45
    35PM024L8-07501 2 21.3 0.16 36 Bi-Polar
    $25.45
    35PM024S8-00502 2 15.3 0.6 22 Bi-Polar
    $24.43
    35PM024S8-01201 2 15.3 0.38 22 Bi-Polar
    $24.43
    35PM024S8-08001 2 15.3 0.15 22 Bi-Polar
    $24.43
    35PM048L6-00501 2 21.3 0.63 62 Bi-Polar
    $25.45
    35PM048L6-01201 2 21.3 0.4 62 Bi-Polar
    $25.45
    35PM048L6-07501 2 21.3 0.16 62 Bi-Polar
    $25.45
    35PM048S0-00508 2 15.3 0.6 48 Bi-Polar
    $24.43
    35PM048S0-01203 2 15.3 0.38 46 Bi-Polar
    $24.43
    35PM048S8-08001 2 15.3 0.15 46 Bi-Polar
    $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 Length
    (mm)
    Rated Current
    (A)
    Holding Torque
    (mNm)
    Coil Type Price
    (USD)
    Compare
    42PM048L8-00302 2 21.3 0.85 95 Bi-Polar
    $26.98
    42PM048L8-00703 2 21.3 0.55 95 Bi-Polar
    $26.98
    42PM048L8-06001 2 21.3 0.2 102 Bi-Polar
    $26.98
    42PM048S8-00501 2 15.3 0.65 74 Bi-Polar
    $25.66
    42PM048S8-01209 2 15.3 0.42 64 Bi-Polar
    $25.66
    42PM048S8-08001 2 15.3 0.15 64 Bi-Polar
    $25.66
    42PM096L8-00301 2 21.3 0.85 78 Bi-Polar
    $26.98
    42PM096L8-00701 2 21.3 0.55 78 Bi-Polar
    $26.98
    42PM096L8-06001 2 21.3 0.2 78 Bi-Polar
    $26.98
    42PM096S4-00501 2 15.3 0.65 54 Bi-Polar
    $25.66
    42PM096S4-01201 2 15.3 0.42 54 Bi-Polar
    $25.66
    42PM096S4-08001 2 15.3 0.15 54 Bi-Polar
    $25.66
    Show more