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. 122-4624
Mfr. Part No.LT2020A-050K05
BrandPiezoMotor
HK$9,762.10
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. 321-3192
BrandRS PRO
HK$309.09
Each
units
12 V dc - 80.16 W 8311 rpm 6.35mm 92.13 mNm 69mm - - 51.8 (Dia.) x 69 mm 10.82 A Iron Core - -
RS Stock No. 179-2841
Mfr. Part No.MSH80-I60K12-ST2
BrandCLM
HK$2,858.68
Each
units
- - - - - - - - - - - - - -
RS Stock No. 873-4824
Mfr. Part No.1741U012CXR
BrandFaulhaber
HK$1,221.60
Each
units
12 V dc Brushed 5.54 W 4410 rpm 2mm 8.4 mNm 49.2mm - - 17 (Dia.) x 49.2 mm 690 mA Graphite 1741 -
RS Stock No. 192-5938
Mfr. Part No.16N28-207E.201
BrandPortescap
HK$595.80
Each
units
12 V dc - 2.3 W 10800 rpm 1.5mm 2.4 mNm 28mm - - 16 (Dia.) x 28 mm 240 mA Ironless - -
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. 102-3515
BrandRS PRO
HK$1,330.51
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. 752-1961
BrandRS PRO
HK$316.07
Each
units
6 → 15 V - 7.98 W 14.5 rpm 6mm 78.4 gcm 80.5mm 32 (Dia.)mm - 32 (Dia.) x 80.5 mm 990 mA Metal - -
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. 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. 181-7543
Mfr. Part No.370427
BrandMaxon
HK$2,173.69
Each
units
24 V Brushless 50 W 10000 RPM 4mm 116 mNm, 157 (Stall) mNm 38.8mm 50mm - 50 Dia. x 38.8 mm 4.41 A - - -
RS Stock No. 892-9117
Mfr. Part No.22N28-210E.201
BrandPortescap
HK$692.00
Each
units
12 V dc Brushed 3.7 W 5880 rpm 1.5mm 7.3 mNm 45mm 22mm - 22 (Dia.) x 45 mm 4.5 mA Ironless - -
RS Stock No. 881-4472
Mfr. Part No.DMN37BA
BrandNidec
HK$222.38
Each
units
12 V dc Brushed 7.2 W 4700 rpm 5mm 14.7 mNm 76.2mm 38.4mm - 38.4 (Dia.) x 76.2 mm 1.01 A - DMN37 RoHS
RS Stock No. 122-4623
Mfr. Part No.LL1011A-050K05
BrandPiezoMotor
HK$6,090.28
Each
units
48 V - 5 mW/Hz 0 → 15 mm/s - 6.5 (Stall Force) N, 7 (Holding Force) N 22mm 10.8mm 19mm 22 x 10.8 x 19 mm - - Piezo LEGS -
RS Stock No. 183-0058
Mfr. Part No.80370001
BrandCrouzet
HK$8,634.69
Each
units
48 V dc Brushless 1470 (Output) W 2340 RPM 14mm 6 nm 208.1mm 75mm 145mm 208.1 x 75 x 145 mm 44 A - - -
RS Stock No. 183-0057
Mfr. Part No.80360001
BrandCrouzet
HK$8,309.73
Each
units
32 V dc Brushless 905 (Output) W 2160 RPM 14mm 4 nm 183.1mm 75mm 145mm 183.1 x 75 x 145 mm 42 A - - -
RS Stock No. 892-9104
Mfr. Part No.16N78-212E.1001
BrandPortescap
HK$633.67
Each
units
12 V dc Brushed 5.2 W 8380 rpm 1.5mm 6.2 mNm 35.5mm 16mm - 16 (Dia.) x 35.5 mm 490 mA Metal - -
RS Stock No. 715-128
Mfr. Part No.82800044
BrandCrouzet
HK$867.33
Each
units
48 V dc Brushed 16 W 3040 rpm 6mm 75 Ncm 84.8mm 50mm 50mm 84.8 x 50 x 50 mm - Iron Core - -
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