DC Motors

DC motors are the most widely used type of motor with initial costs typically less than AC systems for low-power units. DC motors can be used for a wide range of applications from small tools and appliances, through to electric vehicles, lifts and hoists. DC Motors speed can be controlled by varying the supply voltage and are available in a wide range of voltages, however the most popular type are 12 V and 24 V, with some of the advantages being:

  • Easy installation
  • Speed control over a wide range
  • Quick Starting, Stopping, Reversing and Acceleration
  • High Starting Torque
  • Linear speed-torque curve

Types of DC Motors
There are two common types of DC motor, brushless and brushed. In both brushless and brushed motors, magnets drive the spinning (rotary) motion of the motor shaft.

  • Brushed Motors These are a more traditional type of motor and are typically used in cost-sensitive applications, where control systems are relatively simple, such as in consumer applications and more basic industrial equipment.
  • Brushless Motors Brushless motors alleviate some of the issues associated with brushed motors such as short life span for high use applications and are mechanically much simpler in design (not having brushes). The advantages of brushless motors are longer life, little maintenance and high efficiency (85-90%). These types of motors are generally used in speed and positional control with applications such as fans, pumps and compressors, where reliability and ruggedness are required.

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Description Price Supply Voltage DC Motor Type Power Rating Output Speed Shaft Diameter Maximum Output Torque Gearhead Type Length Gear Ratio Width Depth Dimensions Current Rating Core Construction
RS stock no. 829-3525
Mfr. Part No.103H7126-5740
R 1,067.55
Each
units
24 V Hybrid Stepper - - 6.35mm - - - - - 77.3mm - 2 A -
RS stock no. 829-3522
Mfr. Part No.4835728-1
R 55.01
Each
units
- - - - - - - - - - - - - -
RS stock no. 536-6030
BrandRS PRO
R 1,592.28
Each
units
24 V Brushless - 4000 rpm 5mm 0.75 Nm - 100mm - 42mm 42mm 100 x 42 x 42 mm 20 A -
RS stock no. 781-3058
Mfr. Part No.900-00005
R 362.40
Each
units
4 → 6 V Servo 140 mA - - 27 Ncm - 406mm - 55.8mm 19mm 406 x 55.8 x 19 mm 140 mA -
RS stock no. 238-9692
BrandRS PRO
R 39.57
Each
units
1.5 → 3 V - 1.21 W 8200 → 14000 rpm 2mm 10.4 gcm - 38mm - - - 21 (Dia.) x 38 mm 960 mA Iron Core
RS stock no. 238-9721
BrandRS PRO
R 79.43
Each
units
3 → 7.2 V - 19.68 W 19000 rpm 2.3mm 375 gcm - 38mm - - - 27.7 (Dia.) x 38 mm 4.41 A Iron Core
RS stock no. 238-9759
BrandRS PRO
R 138.84
Each
units
4.5 → 15 V - 21.2 W 13360 rpm 3.18mm 154.4 gcm - 50mm - - - 35.8 (Dia.) x 50 mm 2.85 A Iron Core
RS stock no. 781-3046
Mfr. Part No.900-00008
R 378.33
Each
units
4 → 6 V Servo - 50 rpm - 27 Ncm - 406mm - 55.8mm 19mm 406 x 55.8 x 19 mm - -
RS stock no. 413-0622
BrandRS PRO
R 261.95
Each
units
12 V dc Brushed Geared 1.31 W 82 rpm 4mm 10 Ncm Spur 51mm - 27mm - - 190 mA Iron Core
RS stock no. 248-3671
Mfr. Part No.RS555
R 401.30
Each
units
24 V Brushed - 3500 rpm - 10 Ncm - - - - - - - Iron Core
RS stock no. 829-3499
Mfr. Part No.103H5205-5240
R 545.69
Each
units
24 V Hybrid Stepper - - 5mm - - - - - 34.5mm - 1 A -
RS stock no. 321-3192
BrandRS PRO
R 547.06
Each
units
12 V - 80.16 W 8311 rpm 6.35mm 92.13 mNm - 69mm - - - 51.8 (Dia.) x 69 mm 10.82 A Iron Core
RS stock no. 849-6263
Mfr. Part No.321.1000.3B.00
BrandDOGA
R 8,856.49
Each
units
24 V - 500 W 2700 rpm - 1.9 Nm - - - - - - 27 A -
RS stock no. 263-5995
BrandRS PRO
R 3,114.30
Each
units
24 V Servo 30 W 1600 rpm 6mm 27 Ncm - 64mm - 66mm - 66 (Dia.) x 64 mm 1.3 A -
RS stock no. 238-9670
BrandRS PRO
R 564.03
Each
units
12 V dc Brushed Geared 19.8 W 98 rpm 6mm 59 Ncm Spur 78mm - 37mm - - 2.81 A Iron Core
RS stock no. 298-5379
Mfr. Part No.L149-12-21
R 514.14
Each
units
12 V dc Brushed Geared - 80 rpm 4mm 2.5 Ncm Spur 36mm - 27mm - - 50 mA Iron Core
RS stock no. 351-4669
Mfr. Part No.9904 120 15211
R 2,172.17
Each
units
24 V Servo 12 W 4000 rpm 3mm 13.5 Ncm - 39.9mm - 40mm - - - -
RS stock no. 420-647
BrandRS PRO
R 337.03
Each
units
12 V dc Brushed Geared 1.31 W 8 rpm 4mm 15 Ncm Spur 51mm - 27mm - - 190 mA Iron Core
RS stock no. 238-9636
BrandRS PRO
R 206.35
Each
units
3 V dc Brushed Geared 1.29 W 2 → 3700 rpm 2mm 10.92 gcm Spur 52mm - 110mm - - 1.05 A Iron Core
RS stock no. 383-1267
Mfr. Part No.53154
R 291.82
Each
units
12 V Bipolar, Unipolar Stepper - - 1.5mm - - - - - - - - -