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 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. 122-0030
Mfr. Part No.80280007
BrandCrouzet
£393.19
Each
Units
10 to 36 V Brushless 199 W @ 24 V, 251 W @ 32 V, 84 W @ 12 V 1900 rpm @ 24 V, 2400 rpm @ 32 V, 800 rpm @ 12 V 8mm 1000 mNm 57.2mm 137mm 57.2mm 57.2 x 137 x 57.2 mm 12.5 A @ 32 V, 15 A @ 12 V, 15 A @ 24 V - - 80280 TNi21
RS Stock No. 789-3026
Mfr. Part No.89890011
BrandCrouzet
£162.44
Each
Units
24 V dc Brushed 209 W 3430 rpm 8mm 290 mNm 155mm - - 63 (Dia.) x 155 mm 35.3 A Permanent Magnet - -
RS Stock No. 921-3738
Mfr. Part No.MUR-6302
£217.61
Each
Units
12 V dc Brushed 3.36 kW 4100 rpm 19.02mm 16.3 Nm - 114.3 (Dia.)mm 227.5mm 114.3 (Dia.) x 227.5 mm 400 A Series Wound - MUR
RS Stock No. 443-4069
Mfr. Part No.203889
BrandMaxon
£75.80
Each
Units
6 V dc Brushed 1.2 W 11100 rpm 1.5mm 1.32 mNm 20.5mm - - 13 (Dia.) x 20.5 mm 267 mA Ironless - -
RS Stock No. 468-4797
Mfr. Part No.148866
BrandMaxon
£345.90
Each
Units
12 V dc Brushed 150 W 6920 rpm 6mm 94.9 mNm 71mm - - 40 (Dia.) x 71 mm 6 A Ironless - -
RS Stock No. 512-6028
Mfr. Part No.BLDC58-50 MK2
£290.50
Each
Units
24 V dc Brushless 50 W 3650 rpm 5.99mm 0.17 Nm 62.1mm - - 68 (Dia.) x 62.1 mm 2.9 A - - -
RS Stock No. 921-1329
Mfr. Part No.3242G024BX4
BrandFaulhaber
£202.58
Each
Units
24 V Brushless 45 W 6000 rpm 5mm 54 mNm - 32 (Dia.)mm 72.4mm 32 (Dia.) x 72.4 mm 1.55 A - - 3242 BX4
RS Stock No. 873-4742
Mfr. Part No.3268G024BX4 SC
BrandFaulhaber
£348.89
Each
Units
24 V dc Brushless 32.7 W 7000 rpm 5mm 47 mNm, 73 mNm 98.4mm - - 32 (Dia.) x 98.4 mm 1.41 A, 2 A - - 3268
RS Stock No. 441-5361
Mfr. Part No.16G88-211E.1
BrandPortescap
£72.33
Each
Units
12 V dc Brushed 5 W 8700 rpm 1.5mm 5.4 mNm 28mm - - 16 (Dia.) x 28 mm 420 mA Ironless - -
RS Stock No. 262-2163
Mfr. Part No.134386
BrandMaxon
£45.90
Each
Units
24 V dc Brushed 5 W 6552 rpm - 0.615 Ncm - - - - - Ironless - -
RS Stock No. 873-4748
Mfr. Part No.2232S012BX4 SC
BrandFaulhaber
£231.17
Each
Units
12 V dc Brushless 8.8 W 14500 rpm 3mm 16 mNm 61.8mm - - 22 (Dia.) x 61.8 mm 1 A, 1.4 A - - 2232
RS Stock No. 409-5311
Mfr. Part No.82800037
BrandCrouzet
£74.56
Each
Units
24 V dc Brushed 15.6 W 2000 rpm 6mm 75 mNm 84.8mm - - 50.2 (Dia.) x 84.8 mm 1.1 A Iron Core - -
RS Stock No. 774-0525
Mfr. Part No.351007
BrandMaxon
£88.61
Each
Units
12 V Brushless 5 W 5210 rpm 2mm 7.5 mNm 21.4mm - - 20 (Dia.) x 21.4 mm 648 mA - - -
RS Stock No. 881-4478
Mfr. Part No.DMN29BB
BrandNidec
£9.81
Each
Units
24 V dc Brushed 3 W 3700 rpm 2.5mm 7.8 mNm 54mm 29mm - 29 (Dia.) x 54 mm 210 mA - - DMN29
RS Stock No. 409-5305
Mfr. Part No.82800036
BrandCrouzet
£74.56
Each
Units
12 V dc Brushed 15.7 W 2000 rpm 6mm 75 mNm 84.8mm - - 50.2 (Dia.) x 84.8 mm 2.5 A Iron Core - -
RS Stock No. 420-4947
Mfr. Part No.242472
BrandMaxon
£155.11
Each
Units
24 V dc Brushed 15 W 5930 rpm - 3.67 Ncm 62.9mm - - 32 (Dia.) x 62.9 mm - Ironless - -
RS Stock No. 122-0062
Mfr. Part No.80280001
BrandCrouzet
£300.71
Each
Units
9 to 56 V Brushless 235 W @ 24 V, 419 W @ 48 V, 77 W @ 12 V 2250 rpm @ 24 V, 4000 rpm @ 48 V, 740 rpm @ 12 V 8mm 1000 mNm 57.2mm 167.9mm 57.2mm 57.2 x 136.9 x 57.2 mm 11.5 A @ 48 V, 14 A @ 12 V, 14 A @ 24 V - - 80280 SMi21
RS Stock No. 881-4488
Mfr. Part No.DMN37KB
BrandNidec
£20.88
Each
Units
24 V dc Brushed 9.2 W 3600 rpm 5mm 24.5 mNm 81.2mm 38.4mm - 38.4 (Dia.) x 81.2 mm 600 mA - - DMN37
RS Stock No. 441-0388
Mfr. Part No.BLDC48-12L-033
£173.11
Each
Units
24 V dc Brushless 12 W 4550 rpm 5.99mm 0.03 Nm 36mm - - 54 (Dia.) x 36 mm 690 mA - - -
RS Stock No. 873-4795
Mfr. Part No.2224U012SR
BrandFaulhaber
£73.28
Each
Units
12 V dc Brushed 4.05 W 4390 rpm 2mm 6.7 mNm 32.3mm - - 22 (Dia.) x 32.3 mm 520 mA Metal - 2224
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