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. 179-2841
Mfr. Part No.MSH80-I60K12-ST2
BrandCLM
HK$2,858.68
Each
units
- - - - - - - - - - - - - -
RS Stock No. 892-9205
Mfr. Part No.32BF 8B K 10
BrandPortescap
HK$1,678.54
Each
units
12 V dc Brushless 40 W 13600 rpm 3mm 13 mNm 21.6mm 30mm - 30 (Dia.) x 21.6 mm 1.5 A Ironless - -
RS Stock No. 752-2005
BrandRS PRO
HK$87.40
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. 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. 892-9136
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. 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. 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. 181-7551
Mfr. Part No.515458
BrandMaxon
HK$2,341.70
Each
units
24 V Brushless 160 W 5000 RPM 10mm 457 mNm, 7910 (Stall) mNm 27.4mm 90mm - 90 Dia. x 27.4 mm 111 A - - -
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. 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. 718-969
Mfr. Part No.22N28-216E.204
BrandPortescap
HK$531.00
Each
units
6 V dc - 3.8 W 5600 rpm 2mm 8.4 mNm 32mm - - 22 (Dia.) x 32 mm 830 mA Ironless - -
RS Stock No. 892-8767
BrandRS PRO
HK$725.49
Each
units
24 V dc Brushless - 5260 rpm 4mm 0.25 Nm 42.2mm 42.8mm - 42.8 (Dia.) x 42.2 mm 7 A Permanent Magnet - CE, RoHS
RS Stock No. 468-4826
Mfr. Part No.118391
BrandMaxon
HK$682.93
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. 718-981
Mfr. Part No.22N28-208E.204
BrandPortescap
HK$501.50
Each
units
18 V dc - 3.8 W 6300 rpm 2mm 7 mNm 32mm - - 22 (Dia.) x 32 mm 260 mA Ironless - -
RS Stock No. 512-6012
Mfr. Part No.BLDC58-35 MK2
HK$2,225.24
Each
units
24 V dc Brushless 35 W 3650 rpm 5.99mm 0.11 Nm 62.1mm - - 68 (Dia.) x 62.1 mm 1.9 A - - -
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. 420-5142
Mfr. Part No.242477
BrandMaxon
HK$1,562.50
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. 441-0394
Mfr. Part No.BLDC48-12L-037
HK$1,431.00
Each
units
24 V dc Brushless 12 W 4550 rpm 5.99mm 0.03 Nm 36mm - - 54 (Dia.) x 36 mm 1.33 A - - -
RS Stock No. 752-1986
BrandRS PRO
HK$327.75
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. 192-5922
Mfr. Part No.16N28-210E.201
BrandPortescap
HK$551.00
Each
units
7.5 V dc - 2.3 W 9700 rpm 1.5mm 2.9 mNm 28mm - - 16 (Dia.) x 28 mm 420 mA Ironless - -
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