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, please see our complete guide.

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.

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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 Priced to Clear Series
RS Stock No. 248-3716
Mfr. Part No.RS380
£9.30
Each
Units
24 V dc Brushed - 6500 rpm 2.3mm 3.5 Ncm 37.8mm - - 27.7 (Dia.) x 37.8 mm - Iron Core - -
RS Stock No. 226-1077
Mfr. Part No.0.130.007.027.850
BrandBosch
£91.27
Each
Units
12 V dc - 28 W 4500 rpm 6mm 6 Ncm 107mm - - 51 (Dia.) x 107 mm 4 A - - -
RS Stock No. 420-4997
Mfr. Part No.200189
BrandMaxon
£67.46
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. 248-3671
Mfr. Part No.RS555
£11.62
Each
Units
24 V dc Brushed - 3500 rpm - 10 Ncm - - - - - Iron Core - -
RS Stock No. 881-4484
Mfr. Part No.DMN37KA
BrandNidec
£21.30
Each
Units
12 V dc Brushed 9.2 W 3600 rpm 5mm 24.5 mNm 81.2mm 38.4mm - 38.4 (Dia.) x 81.2 mm 1.2 A - - DMN37
RS Stock No. 420-5192
Mfr. Part No.200142
BrandMaxon
£74.21
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. 468-4804
Mfr. Part No.148867
BrandMaxon
£352.82
Each
Units
24 V dc Brushed 150 W 7580 rpm 6mm 170 mNm 71mm - - 40 (Dia.) x 71 mm 5.77 A Ironless - -
RS Stock No. 881-4475
Mfr. Part No.DMN29BA
BrandNidec
£10.01
Each
Units
12 V dc Brushed 3 W 3700 rpm 2.5mm 7.8 mNm 54mm 29mm - 29 (Dia.) x 54 mm 420 mA - - DMN29
RS Stock No. 495-063
Mfr. Part No.251601
BrandMaxon
£115.56
Each
Units
24 V dc Brushless 50 W 6700 rpm 4mm 84.3 mNm 21.3mm - - 42.8 (Dia.) x 21.3 mm 2.36 A - - -
RS Stock No. 248-3687
Mfr. Part No.RS360
£8.82
Each
Units
24 V dc Brushed - 5600 rpm - 2.3 Ncm - - - - - Iron Core - -
RS Stock No. 849-6263
Mfr. Part No.321.1000.3B.00
BrandDOGA
£379.18
Each
Units
24 V dc - 500 W 2700 rpm - 1.9 Nm - - - - 27 A - - -
RS Stock No. 192-5988
Mfr. Part No.28L28-416E.49
BrandPortescap
£138.74
Each
Units
24 V dc - 11 W 5600 rpm 3mm 21 mNm 43.5mm - - 28 (Dia.) x 43.5 mm 530 mA Ironless - -
RS Stock No. 877-6269
Mfr. Part No.DC1024
£19.86
Each
Units
24 V dc Brushed 13.6 W 2840 rpm 5mm 0.046 Nm - 44.5mm 85.75mm 44.5 (Dia.) x 85.75 mm 220 mA - - DC
RS Stock No. 881-4472
Mfr. Part No.DMN37BA
BrandNidec
£19.57
Each
Units
12 V dc Brushed 7.2 W 4700 rpm 5mm 14.7 mNm 76.2mm 38.4mm - 38.4 (Dia.) x 76.2 mm 1.01 A - - DMN37
RS Stock No. 445-9024
Mfr. Part No.DN22M-12
BrandCanon
£30.23
Each
Units
12 V dc Brushed 1.3 W 5400 rpm 2mm 2.45 mNm 32.8mm 22mm 18mm 32.8 x 22 x 18 mm 190 mA Iron Core - -
RS Stock No. 253-2537
Mfr. Part No.35NT2R 82 426SP.77
BrandPortescap
£276.79
Each
Units
32 V dc - 102 W 5900 rpm 3mm 115 mNm 57.2mm - - 35 (Dia.) x 57.2 mm 2.3 A Ironless - -
RS Stock No. 420-5164
Mfr. Part No.110044
BrandMaxon
£55.68
Each
Units
9 V dc Brushed 2 W 12200 rpm - 0.218 Ncm - - - - - Ironless - -
RS Stock No. 718-975
Mfr. Part No.22N28-210E.204
BrandPortescap
£48.98
Each
Units
12 V dc - 3.8 W 5900 rpm 2mm 7.3 mNm 32mm - - 22 (Dia.) x 32 mm 380 mA Ironless - -
RS Stock No. 253-2515
Mfr. Part No.26N58-216E.1
BrandPortescap
£95.68
Each
Units
12 V dc - 5.75 W 4700 rpm 3mm 17.3 mNm 43.3mm - - 26 (Dia.) x 43.3 mm 740 mA Ironless - -
RS Stock No. 364-0500
Mfr. Part No.22V28-213E.201
BrandPortescap
£65.14
Each
Units
12 V dc - 4.5 W 7600 rpm 2mm 8.48 mNm 34.4mm - - 22 (Dia.) x 34.4 mm 1.15 A Ironless - -
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