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. 752-1992
BrandRS PRO
HK$244.02
Each
units
4.5 15 V - 7 W 7300 rpm 6mm 114 gcm 73.6mm 37 (Dia.)mm - 37 (Dia.) x 76.1 mm 840 mA Metal - -
RS Stock No. 892-9139
Mfr. Part No.25GST2R82-216P.1
BrandPortescap
HK$1,576.24
Each
units
24 V dc Brushed 24 W 10320 rpm 3mm 30 mNm 61.5mm 25mm - 25 (Dia.) x 61.5 mm 1.45 A Ironless - -
RS Stock No. 849-6250
Mfr. Part No.269.4102.2B.00
BrandDOGA
HK$2,053.94
Each
units
12 V dc - 236 W 3000 rpm - 0.5 Nm - - - - 20 A - - -
RS Stock No. 468-4797
Mfr. Part No.148866
BrandMaxon
HK$3,975.88
Each
units
12 V dc Brushed 150 W 6920 rpm 6mm 94.9 mNm 71mm - - 40 (Dia.) x 71 mm 6 A Ironless - -
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. 253-2537
Mfr. Part No.35NT2R 82 426SP.77
BrandPortescap
HK$3,104.36
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. 752-1986
BrandRS PRO
HK$358.76
Each
units
4.5 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 91mm 35.8 (Dia.)mm - 35.8 (Dia.) x 91 mm 2.85 A Metal - -
RS Stock No. 262-2135
Mfr. Part No.134384
BrandMaxon
HK$738.74
Each
units
6 V dc Brushed 5 W 6720 rpm - 0.633 Ncm - - - - - Ironless - -
RS Stock No. 789-3010
Mfr. Part No.89800008
BrandCrouzet
HK$1,253.00
Each
units
24 V dc Brushed 36 W 3100 rpm 6mm 75 mNm 113.5mm - - 42 (Dia.) x 113.5 mm 6.1 A Permanent Magnet - -
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. 752-1964
BrandRS PRO
HK$337.14
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. 323-4852
Mfr. Part No.110048
BrandMaxon
HK$591.44
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. 351-5189
Mfr. Part No.80030003
BrandCrouzet
HK$1,918.29
Each
units
24 V dc Brushless 35 W 3410 rpm 6mm 85 mNm 73.2mm 57mm 57mm 73.2 x 57 x 57 mm 2.5 A - - -
RS Stock No. 420-5142
Mfr. Part No.242477
BrandMaxon
HK$1,551.16
Each
units
12 V dc Brushed 15 W 4670 rpm 4mm 3.6 Ncm 61.5mm - - 32 (Dia.) x 61.5 mm - Ironless - -
RS Stock No. 752-1977
BrandRS PRO
HK$358.76
Each
units
4.5 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 104.5mm 35.8 (Dia.)mm - 35.8 (Dia.) x 104.5 mm 2.85 A Metal - -
RS Stock No. 122-4624
Mfr. Part No.LT2020A-050K05
BrandPiezoMotor
HK$9,910.50
Each
units
48 V - 10 mW/Hz 0 10 mm/s - 20 (Stall Force) N, 22 (Holding Force) N 22mm 10.8mm 21mm 22 x 10.8 x 21 mm - - Piezo LEGS -
RS Stock No. 179-2841
Mfr. Part No.MSH80-I60K12-ST2
BrandCLM
HK$4,250.25
Each
units
- - - - - - - - - - - - - -
RS Stock No. 892-9091
Mfr. Part No.13N88-107.1
BrandPortescap
HK$972.31
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. 877-6263
Mfr. Part No.DCB2106
HK$659.97
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. 921-1335
Mfr. Part No.3272G024CR
BrandFaulhaber
HK$3,366.33
Each
units
24 V Brushed 85 W 5150 rpm 5mm 11 mNm - 32 (Dia.)mm 94mm 32 (Dia.) x 94 mm 3.5 A Ironless 3272 CR -
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