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. 324-2954
Mfr. Part No.82890001
BrandCrouzet
$305.91
Each
units
24 V dc Brushed 90 W 3200 rpm 8mm 270 mNm 127.5mm - - 63.2 (Dia.) x 127.5 mm 5 A Iron Core - -
RS Stock No. 409-5282
Mfr. Part No.82860003
BrandCrouzet
$86.80
Each
units
4.5 30 V dc - 3 W 3700 rpm 2mm 7.7 mNm 44.6mm - - 32.2 (Dia.) x 44.6 mm 430 mA Iron Core - -
RS Stock No. 226-1077
Mfr. Part No.0.130.007.027.850
BrandBosch
$174.51
Each
units
12 V dc - 28 W 4500 rpm 6mm 6 Ncm 107mm - - 51 (Dia.) x 107 mm 4 A - - -
RS Stock No. 248-3687
Mfr. Part No.RS360
$17.91
Each
units
24 V dc Brushed - 5600 rpm - 2.3 Ncm - - - - - Iron Core - -
RS Stock No. 881-4472
Mfr. Part No.DMN37BA
BrandNidec
$39.72
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 RoHS
RS Stock No. 122-4622
Mfr. Part No.LR8012A-00K05
BrandPiezoMotor
$1,000.70
Each
units
48 V - 7 mW/Hz 0 → 100 °/s - 6.5 (Stall Force) N, 7 (Holding Force) N - 23 (Dia.)mm 34.1mm 23 (Dia.) x 34.1 mm - - Piezo LEGS -
RS Stock No. 873-4773
Mfr. Part No.1506N006SR
BrandFaulhaber
$73.09
Each
units
6 V dc Brushed 0.15 W 2500 rpm 1.5mm 0.35 mNm 10.5mm - - 15 (Dia.) x 10.5 mm 81 mA Metal 1506 -
RS Stock No. 253-2537
Mfr. Part No.35NT2R 82 426SP.77
BrandPortescap
$561.72
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. 495-079
Mfr. Part No.343015
BrandMaxon
$2,473.36
Each
units
12 50 V dc Brushless 60 W 12000 rpm - 5.4 Ncm 120mm 33mm 53mm 120 x 33 x 53 mm - - - -
RS Stock No. 873-4758
Mfr. Part No.2607T006SR
BrandFaulhaber
$82.59
Each
units
6 V dc Brushed 1.08 W 2500 rpm 1.5mm 3.2 mNm 13.9mm - - 26 (Dia.) x 13.9 mm 400 mA Metal 2607 -
RS Stock No. 849-6250
Mfr. Part No.269.4102.2B.00
BrandDOGA
$436.90
Each
units
12 V dc - 236 W 3000 rpm - 0.5 Nm - - - - 20 A - - -
RS Stock No. 494-7060
Mfr. Part No.80080005
BrandCrouzet
$635.28
Each
units
24 V dc Brushless 80 W 3250 rpm 8mm 0.2 Nm 142.5mm 57mm 57mm 142.5 x 57 x 57 mm 6 A - - -
RS Stock No. 409-5311
Mfr. Part No.82800037
BrandCrouzet
$155.83
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. 873-4789
Mfr. Part No.0816N006SR
BrandFaulhaber
$117.27
Each
units
6 V dc Brushed 0.4 W 13000 rpm 1.5mm 0.7 mNm - 8mm 22.1mm 8 (Dia.) x 22.1 mm 243 mA Metal 0816 -
RS Stock No. 873-4751
Mfr. Part No.2610T012BSC
BrandFaulhaber
$240.51
Each
units
12 V dc Brushless 1.91 W 7000 rpm 1.5mm 3.13 mNm, 3.7 mNm 17.4mm - - 26 (Dia.) x 17.4 mm 200 mA, 240 mA - 2610 -
RS Stock No. 495-108
Mfr. Part No.343016
BrandMaxon
$1,782.17
Each
units
12 50 V dc Brushless 60 W 12000 rpm - 5.4 Ncm 120mm 33mm 53mm 120 x 33 x 53 mm - - - -
RS Stock No. 442-7493
BrandCanon
$65.27
Each
units
12 V dc - 1.4 W 9800 rpm - 0.25 Ncm - - - - - Ironless - -
RS Stock No. 892-9091
Mfr. Part No.13N88-107.1
BrandPortescap
$175.10
Each
units
24 V dc Brushed 2.5 W 14150 rpm 1.5mm 3.2 mNm 37mm 13mm - 13 (Dia.) x 37 mm 210 mA Ironless - -
RS Stock No. 420-4931
Mfr. Part No.242467
BrandMaxon
$321.08
Each
units
12 V dc Brushed 15 W 4670 rpm - 3.6 Ncm 62.9mm - - 32 (Dia.) x 62.9 mm - Ironless - -
RS Stock No. 420-5209
Mfr. Part No.110127
BrandMaxon
$91.34
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 - -
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