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. 445-9030
Mfr. Part No.DN22M-24
BrandCanon
HK$337.48
Each
units
24 V dc Brushed 1.4 W 5320 rpm 2mm 2.45 mNm 32.8mm 22mm 18mm 32.8 x 22 x 18 mm 100 mA Iron Core - -
RS Stock No. 892-9114
Mfr. Part No.22N28-208E.286
BrandPortescap
HK$688.46
Each
units
18 V dc Brushed 3.5 W 6300 rpm 1.5mm 6.9 mNm 45mm 22mm - 22 (Dia.) x 45 mm 3.5 mA Ironless - -
RS Stock No. 364-0500
Mfr. Part No.22V28-213E.201
BrandPortescap
HK$636.55
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 - -
RS Stock No. 494-7060
Mfr. Part No.80080005
BrandCrouzet
HK$4,578.27
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. 892-9148
Mfr. Part No.35NT2R82-226E.1
BrandPortescap
HK$3,015.93
Each
units
28 V dc Brushed 91 W 6935 rpm 5mm 97 mNm 75.1mm 35mm - 35 (Dia.) x 75.1 mm 80 mA Ironless - -
RS Stock No. 881-4484
Mfr. Part No.DMN37KA
BrandNidec
HK$238.87
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. 324-2948
Mfr. Part No.82850002
BrandCrouzet
HK$956.24
Each
units
24 V dc Brushed 33.5 W 3200 rpm 6mm 100 mNm 112.6mm - - 42.21 (Dia.) x 112.6 mm 2.15 A Iron Core - -
RS Stock No. 752-2005
BrandRS PRO
HK$102.99
Each
units
6 V Brushed 0.58 W 13500 rpm 2.5mm 3.9 gcm 15.1mm 12mm 10mm 15.1 x 12 x 10 mm 320 mA Metal - -
RS Stock No. 752-1973
BrandRS PRO
HK$358.76
Each
units
4.5 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 97.8mm 35.8 (Dia.)mm - 35.8 (Dia.) x 97.8 mm 2.85 A Metal - -
RS Stock No. 468-4826
Mfr. Part No.118391
BrandMaxon
HK$717.49
Each
units
12 V dc Brushed 0.75 W 11600 rpm 1mm 0.746 mNm 17mm - - 10 (Dia.) x 17 mm 81 mA Ironless - -
RS Stock No. 892-8751
BrandRS PRO
HK$1,324.29
Each
units
24 V dc Brushless - 3500 rpm 6.2mm 0.05 Nm 80.7mm 22mm - 22 (Dia.) x 80.7 mm 1.5 A - - CE, RoHS
RS Stock No. 752-1951
BrandRS PRO
HK$263.12
Each
units
4.5 15 V - 11 W 5216 rpm 6mm 206 gcm 86.6mm 37 (Dia.)mm - 37 (Dia.) x 86.6 mm 1.26 A Metal - -
RS Stock No. 892-8760
BrandRS PRO
HK$1,108.88
Each
units
24 V dc Brushless - 4500 rpm 4mm 0.066 Nm 54mm 33mm - 33 (Dia.) x 54 mm 1.45 A - - CE, RoHS
RS Stock No. 192-5966
Mfr. Part No.28L28-219.49
BrandPortescap
HK$1,559.39
Each
units
12 V dc - 11 W 5300 rpm 3mm 19.9 mNm 43.5mm - - 28 (Dia.) x 43.5 mm 950 mA Ironless - -
RS Stock No. 881-4481
Mfr. Part No.DMN37BB
BrandNidec
HK$219.53
Each
units
24 V dc Brushed 7.2 W 4700 rpm 5mm 14.7 mNm 76.2mm 38.4mm - 38.4 (Dia.) x 76.2 mm 530 mA - DMN37 RoHS
RS Stock No. 921-3738
Mfr. Part No.MUR-6302
HK$2,489.46
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. 892-9136
Mfr. Part No.30GT2R82-234E.4
BrandPortescap
HK$2,814.88
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. 181-7588
Mfr. Part No.B78B8F38E83C
BrandMaxon
HK$701.38
Each
units
12 V Brushed 4.22 W 6200 RPM, 9860 RPM 1.5mm 4.31 mNm 25.4mm 16mm - 16 Dia. x 25.4 mm 410 mA - DCX -
RS Stock No. 892-9132
Mfr. Part No.28L28-219.164
BrandPortescap
HK$1,559.39
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 - -
RS Stock No. 409-5298
Mfr. Part No.82860004
BrandCrouzet
HK$458.66
Each
units
4.5 30 V dc - 3 W 3700 rpm 2mm 30 mNm 44.6mm - - 32.2 (Dia.) x 44.6 mm 260 mA Iron Core - -