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. 892-9198
Mfr. Part No.16ECH52 8B 112.01
BrandPortescap
HK$2,127.44
Each
units
24 V dc Brushless 30 W 12100 rpm 3mm 14.3 mNm 62mm 16mm - 16 (Dia.) x 62 mm 800 mA Permanent Magnet - -
RS Stock No. 238-9721
BrandRS PRO
HK$57.39
Each
units
3 → 7.2 V dc - 19.68 W 19000 rpm 2.3mm 375 gcm 38mm - - 27.7 (Dia.) x 38 mm 4.41 A Iron Core - -
RS Stock No. 892-9195
Mfr. Part No.16ECH36 8B 245.01
BrandPortescap
HK$2,124.57
Each
units
24 V dc Brushless 23 W 12420 rpm 3mm 6.6 mNm 46mm 16mm - 16 (Dia.) x 46 mm 400 mA Permanent Magnet - -
RS Stock No. 873-4818
Mfr. Part No.2232S012BX4
BrandFaulhaber
HK$1,584.10
Each
units
12 V dc Brushless 8.8 W 4450 rpm 3mm 14.7 mNm 46mm - - 22 (Dia.) x 46 mm 1 A - 2232 -
RS Stock No. 495-063
Mfr. Part No.251601
BrandMaxon
HK$1,147.34
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. 873-4811
Mfr. Part No.2250S024BX4
BrandFaulhaber
HK$1,691.13
Each
units
24 V dc Brushless 17.3 W 4870 rpm 3mm 26.2 mNm 64mm - - 22 (Dia.) x 64 mm 850 mA - 2250 -
RS Stock No. 248-3716
Mfr. Part No.RS380
HK$88.10
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. 248-3687
Mfr. Part No.RS360
HK$86.51
Each
units
24 V dc Brushed - 5600 rpm - 2.3 Ncm - - - - - Iron Core - -
RS Stock No. 873-4748
Mfr. Part No.2232S012BX4 SC
BrandFaulhaber
HK$2,786.13
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. 238-9737
BrandRS PRO
HK$52.86
Each
units
6 → 15 V dc - 7.98 W 9869 rpm 2.31mm 78.4 gcm 38mm - - 27.7 (Dia.) x 38 mm 990 mA Iron Core - -
RS Stock No. 420-4947
Mfr. Part No.242472
BrandMaxon
HK$1,721.86
Each
units
24 V dc Brushed 15 W 5930 rpm - 3.67 Ncm 62.9mm - - 32 (Dia.) x 62.9 mm - Ironless - -
RS Stock No. 774-0525
Mfr. Part No.351007
BrandMaxon
HK$1,009.78
Each
units
12 V Brushless 5 W 5210 rpm 2mm 7.5 mNm 21.4mm - - 20 (Dia.) x 21.4 mm 648 mA - - -
RS Stock No. 873-4795
Mfr. Part No.2224U012SR
BrandFaulhaber
HK$825.71
Each
units
12 V dc Brushed 4.05 W 4390 rpm 2mm 6.7 mNm 32.3mm - - 22 (Dia.) x 32.3 mm 520 mA Metal 2224 -
RS Stock No. 873-4789
Mfr. Part No.0816N006SR
BrandFaulhaber
HK$660.59
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
HK$1,243.65
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. 420-4931
Mfr. Part No.242467
BrandMaxon
HK$1,711.98
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. 873-4742
Mfr. Part No.3268G024BX4 SC
BrandFaulhaber
HK$3,865.25
Each
units
24 V dc Brushless 32.7 W 7000 rpm 5mm 47 mNm, 73 mNm 98.4mm - - 32 (Dia.) x 98.4 mm 1.41 A, 2 A - 3268 -
RS Stock No. 873-4786
Mfr. Part No.1524T012SR
BrandFaulhaber
HK$716.23
Each
units
12 V dc Brushed 1.78 W 4130 rpm 1.5mm 2.9 mNm 31.9mm - - 15 (Dia.) x 31.9 mm 280 mA Metal 1524 -
RS Stock No. 238-9709
BrandRS PRO
HK$21.56
Each
units
1.5 → 3 V dc - 1.6 W 7800 rpm 2mm 20 gcm 30.5mm - - 23.8 (Dia.) x 30.5 mm 850 mA Iron Core - -
RS Stock No. 873-4792
Mfr. Part No.2237S012CXR
BrandFaulhaber
HK$897.28
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 -
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