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. 789-3026
Mfr. Part No.89890011
BrandCrouzet
HK$2,001.91
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. 323-4852
Mfr. Part No.110048
BrandMaxon
HK$574.21
Each
units
21 V dc Brushed 2 W 13700 rpm 1.5mm 2.14 mNm 25.4mm - - 16 (Dia.) x 25.4 mm 153 mA Ironless - -
RS Stock No. 849-6241
Mfr. Part No.162.4101.3B.00
BrandDOGA
HK$991.17
Each
units
24 V dc - 63 W 3000 rpm - 0.2 Nm 118.5mm 60 (Dia.)mm - 60 (Dia.) x 118.5 mm 4 A - - -
RS Stock No. 892-9108
Mfr. Part No.17N78-210E.1
BrandPortescap
HK$911.53
Each
units
12 V dc Brushed 3.1 W 8460 rpm 1.5mm 4.8 mNm 38.9mm 17mm - 17 (Dia.) x 38.9 mm 370 mA Metal - -
RS Stock No. 468-4810
Mfr. Part No.118386
BrandMaxon
HK$682.93
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. 892-8776
BrandRS PRO
HK$1,025.19
Each
units
24 V dc Brushless - 4840 rpm 4mm 0.36 Nm 47.6mm 42.8mm - 42.8 (Dia.) x 47.6 mm 10 A Permanent Magnet - CE, RoHS
RS Stock No. 512-6028
Mfr. Part No.BLDC58-50 MK2
HK$1,780.00
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. 752-1964
BrandRS PRO
HK$316.07
Each
units
6 → 15 V - 7.98 W 112 rpm 6mm 78.4 gcm 73.9mm 32 (Dia.)mm - 32 (Dia.) x 73.9 mm 990 mA Metal - -
RS Stock No. 441-0388
Mfr. Part No.BLDC48-12L-033
HK$1,507.47
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. 179-2843
Mfr. Part No.MBLD250
BrandCLM
HK$1,905.79
Each
units
- - - - - - - - - - - - - -
RS Stock No. 236-1688
Mfr. Part No.82860502
BrandCrouzet
HK$516.54
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. 238-9715
BrandRS PRO
HK$50.24
Each
units
6 → 15 V dc - 5.75 W 10668 rpm 2.31mm 58.8 gcm 32.5mm - - 27.63 (Dia.) x 32.5 mm 770 mA Iron Core - -
RS Stock No. 495-108
Mfr. Part No.343016
BrandMaxon
HK$9,343.62
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. 752-1989
BrandRS PRO
HK$194.75
Each
units
4.5 → 15 V - 7 W 7300 rpm 6mm 114 gcm 73.6mm 37 (Dia.)mm - 37 (Dia.) x 73.6 mm 840 mA Metal - -
RS Stock No. 892-9091
Mfr. Part No.13N88-107.1
BrandPortescap
HK$650.29
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. 225-9585
BrandRS PRO
HK$2,126.35
Each
units
37.5 V dc Brushed 200 W 3000 rpm 10mm 64 Ncm 60mm - - 152 (Dia.) x 60 mm 7.3 A - - RoHS
RS Stock No. 181-7588
Mfr. Part No.B78B8F38E83C
BrandMaxon
HK$696.77
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. 892-8763
BrandRS PRO
HK$979.21
Each
units
24 V dc Brushless - 5000 rpm 4mm 0.15 Nm 38.6mm 42.8mm - 42.8 (Dia.) x 38.6 mm 4.8 A Permanent Magnet - CE, RoHS
RS Stock No. 921-3738
Mfr. Part No.MUR-6302
HK$2,391.42
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. 323-4903
Mfr. Part No.110124
BrandMaxon
HK$636.03
Each
units
18 V dc Brushed 5 W 9970 rpm 2mm 6.25 mNm 31.9mm - - 22 (Dia.) x 31.9 mm 374 mA Ironless - -