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. For more about DC motors.

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 air compressors, where reliability and ruggedness are required.


 Applications

DC Motors can be used in applications such as conveyor belts and turntables, or in industrial machines where constant ar low-speed torque is needed.


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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 Dimensions Current Rating Width Depth Core Construction
RS Stock No. 781-3058
Mfr. Part No.900-00005
$27.54
Each
units
4 → 6 V Servo 140 mA - - 27 Ncm - 406mm - 406 x 55.8 x 19 mm 140 mA 55.8mm 19mm -
RS Stock No. 238-9721
BrandRS PRO
$11.64
Each
units
3 → 7.2 V dc Geared 19.68 W 19000 rpm 2.3mm 375 gcm - 38mm - 27.7 (Dia.) x 38 mm 4.41 A - - Iron Core
RS Stock No. 420-5192
Mfr. Part No.200142
BrandMaxon
$195.31
Each
units
12 V dc Brushless 30 W 4370 rpm 4mm 59 mNm - 16.4mm - 42.9 (Dia.) x 16.4 mm 2.14 A - - -
RS Stock No. 420-4997
Mfr. Part No.200189
BrandMaxon
$142.62
Each
units
12 V dc Brushless 30 W 4360 rpm 4mm 54.3 mNm - 16.4mm - 42.9 (Dia.) x 16.4 mm 2 A - - -
RS Stock No. 535-0401
BrandRS PRO
$97.22
Each
units
2.8 V Hybrid Stepper - - 5mm - - - - - 1.68 A - 47mm -
RS Stock No. 535-0372
BrandRS PRO
$71.66
Each
units
2.8 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 1.33 A - 33mm -
RS Stock No. 536-6046
BrandRS PRO
$190.90
Each
units
36 V dc Brushless - 4000 rpm 8mm 0.68 Nm - 74mm - 57 (Dia.) x 74 mm 9.8 A 47mm 48mm Metal
RS Stock No. 409-5276
Mfr. Part No.RH158-12-630
$77.05
Each
units
12 V dc Geared 8 W 9 rpm 6mm 100 Ncm Spur 72mm - - 270 mA 39.6mm - Iron Core
RS Stock No. 536-6030
BrandRS PRO
$144.98
Each
units
24 V dc Brushless - 4000 rpm 5mm 0.75 Nm - 100mm - 100 x 42 x 42 mm 20 A 42mm 42mm -
RS Stock No. 535-0502
BrandRS PRO
$127.70
Each
units
2.5 V Hybrid, Permanent Magnet Stepper - - 6.35mm - - - - - 2.8 A - 56mm -
RS Stock No. 781-3046
Mfr. Part No.900-00008
$30.59
Each
units
4 → 6 V Servo - 0 → 50 rpm - 27 Ncm - 406mm - 406 x 55.8 x 19 mm - 55.8mm 19mm -
RS Stock No. 773-6784
Mfr. Part No.111.9199.20.00
BrandDOGA
$311.25
Each
units
12 V dc Brushed Geared - 100 rpm 10mm 3 Nm, 20 Nm Worm 178mm - 178 x 60 x 100.6 mm 6 A, 48 A 60mm 100.6mm Iron Core
RS Stock No. 169-370
Mfr. Part No.HG16-030-AA-00
$43.91
Each
units
6 V dc Brushless Geared - 310 rpm 3mm 24.5 mNm Planetary 36mm - - 450 mA 16mm - -
RS Stock No. 535-0423
BrandRS PRO
$130.77
Each
units
2.3 V Hybrid, Permanent Magnet Stepper - - 6.35mm - - - - - 2.8 A - 51mm -
RS Stock No. 668-5534
Mfr. Part No.258.1710.30.00
BrandDOGA
$579.92
Each
units
24 V dc Brushed Geared 40 W 25 rpm 14mm 80 Nm Worm 235.8mm - 235.8 x 79 x 131.3 mm 5 A 79mm 131.3mm -
RS Stock No. 224-3653
Mfr. Part No.80835015
BrandCrouzet
$484.25
Each
units
12 V dc Brushed Geared 27 W 47 rpm 8mm 5 Nm Spur 65.1mm - 65.1 x 65.1 x 142.5 mm 3.6 A 65.1mm 142.5mm Iron Core
RS Stock No. 878-7768
Mfr. Part No.103H7123-0440
$97.64
Each
units
24 V Single Shaft Stepper - - 6.35mm - - - - - 2 A - 55.3mm -
RS Stock No. 829-3522
Mfr. Part No.4835728-1
$5.24
Each
units
- - - - - - - - - - - - - -
RS Stock No. 204-4923
Mfr. Part No.80807020
BrandCrouzet
$355.72
Each
units
24 V dc Brushed Geared 15.6 W 62 rpm 8mm 5 Nm Spur 65mm - 65 x 65 x 121 mm - 65mm 121mm Iron Core
RS Stock No. 169-443
Mfr. Part No.HG16-240-AB-00
$44.86
Each
units
12 V Brushless Geared - 55 rpm 3mm 45 mNm Planetary 40mm - - 150 mA 16mm - -