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. 102-3515
BrandRS PRO
$242.57
Each
units
12 V Brushed 156 W 3000 rpm 7.93mm 0.5 Nm 155mm 90 (Dia.)mm - 90 (Dia.) x 155 mm - - - -
RS Stock No. 420-4997
Mfr. Part No.200189
BrandMaxon
$131.14
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. 420-5192
Mfr. Part No.200142
BrandMaxon
$174.40
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. 248-3671
Mfr. Part No.RS555
$31.66
Each
units
24 V dc Brushed - 3500 rpm - 10 Ncm - - - - - Iron Core - -
RS Stock No. 495-063
Mfr. Part No.251601
BrandMaxon
$244.49
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. 248-3716
Mfr. Part No.RS380
$17.21
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. 715-112
Mfr. Part No.82800043
BrandCrouzet
$121.37
Each
units
24 V dc Brushed 16 W 3100 rpm - 75 mNm - - - - - Iron Core - -
RS Stock No. 445-9024
Mfr. Part No.DN22M-12
BrandCanon
$51.49
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. 849-6263
Mfr. Part No.321.1000.3B.00
BrandDOGA
$731.84
Each
units
24 V dc - 500 W 2700 rpm - 1.9 Nm - - - - 27 A - - -
RS Stock No. 881-4475
Mfr. Part No.DMN29BA
BrandNidec
$20.88
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 RoHS
RS Stock No. 833-2825
Mfr. Part No.408057
BrandMaxon
$540.50
Each
units
24 V Brushless 100 W 4250 rpm 8mm 227 mNm 43mm 68mm - 68 (Dia.) x 43 mm 4.43 A - - -
RS Stock No. 468-4804
Mfr. Part No.148867
BrandMaxon
$638.06
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. 873-4748
Mfr. Part No.2232S012BX4 SC
BrandFaulhaber
$371.36
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. 236-1694
Mfr. Part No.82800502
BrandCrouzet
$67.08
Each
units
24 V dc Brushed 22 W 3070 rpm 6mm 70 mNm 84.8mm - - 50.2 (Dia.) x 84.8 mm 1.71 A Iron Core - -
RS Stock No. 877-6263
Mfr. Part No.DCB2106
$90.86
Each
units
24 V dc Brushless 14.32 W 2346 rpm 3.17mm 0.0357 Nm - 36mm 58.2mm 36 (Dia.) x 58.2 mm 190 mA - DC RoHS
RS Stock No. 472-1284
Mfr. Part No.005203
$380.36
Each
units
22.5 V dc Brushed 94 W 3000 rpm 6mm 30 Ncm 37.7mm - - 120 (Dia.) x 37.7 mm 6.9 A - - -
RS Stock No. 873-4792
Mfr. Part No.2237S012CXR
BrandFaulhaber
$167.21
Each
units
12 V dc Brushed 8.1 W 4450 rpm 3mm 12 mNm 49.2mm - - 22 (Dia.) x 49.2 mm 900 mA Graphite 2237 -
RS Stock No. 881-4484
Mfr. Part No.DMN37KA
BrandNidec
$43.67
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 RoHS
RS Stock No. 122-0030
Mfr. Part No.80280007
BrandCrouzet
$478.05
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. 512-6028
Mfr. Part No.BLDC58-50 MK2
$479.31
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 - - -
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