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. 442-7493
BrandCanon
$67.52
Each
units
12 V dc - 1.4 W 9800 rpm - 0.25 Ncm - - - - - Ironless - -
RS Stock No. 892-9205
Mfr. Part No.32BF 8B K 10
BrandPortescap
$355.50
Each
units
12 V dc Brushless 40 W 13600 rpm 3mm 13 mNm 21.6mm 30mm - 30 (Dia.) x 21.6 mm 1.5 A Ironless - -
RS Stock No. 892-9145
Mfr. Part No.35NT2R82-426SP.50
BrandPortescap
$564.56
Each
units
32 V dc Brushed 103 W 5850 rpm 5mm 109 mNm 75.1mm 35mm - 35 (Dia.) x 75.1 mm 80 mA Ironless - -
RS Stock No. 122-0062
Mfr. Part No.80280001
BrandCrouzet
$1,245.24
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. 892-9202
Mfr. Part No.26BC-6A-107.101
BrandPortescap
$349.56
Each
units
15 V dc Brushless 4.2 W 4700 rpm 3mm 4 mNm 44.8mm 26mm - 26 (Dia.) x 44.8 mm 200 mA Ironless - -
RS Stock No. 420-5209
Mfr. Part No.110127
BrandMaxon
$90.84
Each
units
36 V dc Brushed 5 W 9800 rpm 2mm 6.15 mNm 31.9mm - - 22 (Dia.) x 31.9 mm 181 mA Ironless - -
RS Stock No. 877-6269
Mfr. Part No.DC1024
$42.33
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 RoHS
RS Stock No. 122-4623
Mfr. Part No.LL1011A-050K05
BrandPiezoMotor
$1,151.93
Each
units
48 V - 5 mW/Hz 0 → 15 mm/s - 6.5 (Stall Force) N, 7 (Holding Force) N 22mm 10.8mm 19mm 22 x 10.8 x 19 mm - - Piezo LEGS -
RS Stock No. 921-1325
Mfr. Part No.1727U012CXR IE2-512
BrandFaulhaber
$368.57
Each
units
12 V Brushed 5.3 W 2810 rpm 2mm 4.7 mNm - 17 (Dia.)mm 38.1mm 17 (Dia.) x 38.1 mm 410 mA Ironless 1727 CXR -
RS Stock No. 409-5349
Mfr. Part No.82850001
BrandCrouzet
$256.44
Each
units
12 V dc Brushed 32.5 W 3100 rpm 6mm 100 mNm 112.6mm - - 42.21 (Dia.) x 112.6 mm 4.25 A Iron Core - -
RS Stock No. 881-4488
Mfr. Part No.DMN37KB
BrandNidec
$45.38
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 RoHS
RS Stock No. 236-1688
Mfr. Part No.82860502
BrandCrouzet
$114.42
Each
units
24 V dc Brushed 3.9 W 3700 rpm 2mm 7.7 mNm 44.6mm - - 32.2 (Dia.) x 44.6 mm 260 mA Iron Core - -
RS Stock No. 892-9136
Mfr. Part No.30GT2R82-234E.4
BrandPortescap
$616.84
Each
units
35 V dc Brushed 82 W 8600 rpm 5mm 92 mNm 81.2mm 30mm - 30 (Dia.) x 81.2 mm 2.5 A Ironless - -
RS Stock No. 441-5361
Mfr. Part No.16G88-211E.1
BrandPortescap
$154.89
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. 921-1329
Mfr. Part No.3242G024BX4
BrandFaulhaber
$440.34
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. 445-0257
Mfr. Part No.121394
BrandMaxon
$279.19
Each
units
24 V dc Brushed 11 W 8820 rpm 3mm 17.2 mNm 44.7mm - - 26 (Dia.) x 44.7 mm 704 mA Ironless - -
RS Stock No. 468-4810
Mfr. Part No.118386
BrandMaxon
$129.30
Each
units
6 V dc Brushed 0.75 W 13000 rpm 1mm 0.784 mNm 17mm - - 10 (Dia.) x 17 mm 190 mA Ironless - -
RS Stock No. 873-4798
Mfr. Part No.2224U024SR
BrandFaulhaber
$156.93
Each
units
24 V dc Brushed 3.88 W 4300 rpm 2mm 6.6 mNm 32.3mm - - 22 (Dia.) x 32.3 mm 250 mA Metal 2224 -
RS Stock No. 420-5164
Mfr. Part No.110044
BrandMaxon
$116.90
Each
units
9 V dc Brushed 2 W 12200 rpm - 0.218 Ncm - - - - - Ironless - -
RS Stock No. 892-9132
Mfr. Part No.28L28-219.164
BrandPortescap
$291.91
Each
units
12 V dc Brushed 9.6 W 5300 rpm 2mm 19.9 mNm 56mm 28mm - 28 (Dia.) x 56 mm 950 mA Ironless - -
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