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 Length Width Depth Dimensions Current Rating Core Construction Series Standards Met
RS Stock No. 238-9721
BrandRS PRO
SGD5.07
Each
units
3 → 7.2 V dc - 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
SGD9.80
Each
units
4.5 → 15 V dc - 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. 238-9692
BrandRS PRO
SGD2.66
Each
units
1.5 → 3 V dc - 1.21 W 8200 → 14000 rpm 2mm 10.4 gcm 21mm - - 21 (Dia.) x 38 mm 960 mA Iron Core - -
RS Stock No. 536-6030
BrandRS PRO
SGD125.80
Each
units
24 V dc Brushless - 4000 rpm 5mm 0.75 Nm 100mm 42mm 42mm 100 x 42 x 42 mm 20 A - - -
RS Stock No. 238-9715
BrandRS PRO
SGD7.90
Each
units
6 → 15 V dc - 5.75 W 10668 rpm 2.31mm 58.8 gcm 32.5mm - - 27.63 (Dia.) x 32.5 mm 770 mA Iron Core - -
RS Stock No. 238-9737
BrandRS PRO
SGD7.03
Each
units
6 → 15 V dc - 7.98 W 9869 rpm 2.31mm 78.4 gcm 38mm - - 27.7 (Dia.) x 38 mm 990 mA Iron Core - -
RS Stock No. 321-3192
BrandRS PRO
SGD48.10
Each
units
12 V dc - 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. 536-6024
BrandRS PRO
SGD78.63
Each
units
24 V dc Brushless - 4000 rpm 5mm 0.19 Nm 41mm 42mm 42mm 41 x 42 x 42 mm 5.4 A - - -
RS Stock No. 225-9585
BrandRS PRO
SGD466.93
Each
units
37.5 V dc Brushed 200 W 3000 rpm 10mm 64 Ncm 60mm - - 152 (Dia.) x 60 mm 7.3 A - - RoHS
RS Stock No. 238-9709
BrandRS PRO
SGD4.23
Each
units
1.5 → 3 V dc - 1.6 W 7800 rpm 2mm 20 gcm 30.5mm - - 23.8 (Dia.) x 30.5 mm 850 mA Iron Core - -
RS Stock No. 752-1964
BrandRS PRO
SGD53.71
Each
units
6 → 15 V - 7.98 W 112 rpm 6mm 78.4 gcm 73.9mm 32 (Dia.)mm - 32 (Dia.) x 73.9 mm 990 mA Metal - -
RS Stock No. 321-3186
BrandRS PRO
SGD46.35
Each
units
12 V dc - 36.88 W 4289 rpm 6.35mm 82.08 gcm 69mm - - 51.8 (Dia.) x 69 mm 5.28 A Iron Core - -
RS Stock No. 892-8779
BrandRS PRO
SGD142.75
Each
units
36 V dc Brushless - 4000 rpm 8mm 0.35 Nm 96mm 57mm - 57 (Dia.) x 96 mm 5.5 A - - CE, RoHS
RS Stock No. 536-6046
BrandRS PRO
SGD171.75
Each
units
36 V dc Brushless - 4000 rpm 8mm 0.68 Nm 74mm 47mm 48mm 57 (Dia.) x 74 mm 9.8 A Metal 726 -
RS Stock No. 752-2005
BrandRS PRO
SGD17.95
Each
units
6 V Brushed 0.58 W 13500 rpm 3mm 3.9 gcm 24.25mm 12mm 10mm 15.1 x 12 x 10 mm 320 mA Metal - -
RS Stock No. 752-1958
BrandRS PRO
SGD49.52
Each
units
4.5 → 15 V - 11 W 5216 rpm 6mm 206 gcm 86.6mm 37 (Dia.)mm - 37 (Dia.) x 86.6 mm 1.26 A Metal - -
RS Stock No. 892-8760
BrandRS PRO
SGD188.04
Each
units
24 V dc Brushless - 4500 rpm 4mm 0.066 Nm 54mm 33mm - 33 (Dia.) x 54 mm 1.45 A - - CE, RoHS
RS Stock No. 892-8757
BrandRS PRO
SGD102.66
Each
units
24 V dc Brushless - 4600 rpm 6.2mm 0.021 Nm 55.7mm 22mm - 22 (Dia.) x 55.7 mm 1.1 A - - CE, RoHS
RS Stock No. 752-1977
BrandRS PRO
SGD67.51
Each
units
4.5 → 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 95.7mm 35.8 (Dia.)mm - 35.8 (Dia.) x 104.5 mm 2.85 A Metal - -
RS Stock No. 752-1961
BrandRS PRO
SGD63.46
Each
units
6 → 15 V - 7.98 W 14.5 rpm 6mm 78.4 gcm 80.3mm 32 (Dia.)mm - 32 (Dia.) x 80.5 mm 990 mA Metal - -
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