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. 892-9209
Mfr. Part No.32BF 3C K 11
BrandPortescap
HK$1,757.76
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. 321-3186
BrandRS PRO
HK$246.30
Each
units
12 V dc - 36.88 W 4289 rpm 6.35mm 82.08 gcm 69mm - - 51.8 (Dia.) x 69 mm 5.28 A Iron Core - -
RS Stock No. 833-2825
Mfr. Part No.408057
BrandMaxon
HK$3,247.25
Each
units
24 V Brushless 100 W 4250 rpm 8mm 227 mNm 43mm 68mm - 68 (Dia.) x 43 mm 4.43 A - - -
RS Stock No. 225-9591
BrandRS PRO
HK$2,779.92
Each
units
24 V dc Brushed 221 W 3000 rpm 11.99mm 82 Ncm 95.5mm - - 215.1 (Dia.) x 95.5 mm 13.4 A - - RoHS
RS Stock No. 921-1329
Mfr. Part No.3242G024BX4
BrandFaulhaber
HK$2,317.52
Each
units
24 V Brushless 45 W 6000 rpm 5mm 54 mNm - 32 (Dia.)mm 72.4mm 32 (Dia.) x 72.4 mm 1.55 A - 3242 BX4 -
RS Stock No. 420-5186
Mfr. Part No.236646
BrandMaxon
HK$1,764.26
Each
units
18 V dc Brushed 15 W 5270 rpm 4mm 37.5 mNm 62.9mm - - 32 (Dia.) x 62.9 mm 1.21 A Ironless - -
RS Stock No. 495-079
Mfr. Part No.343015
BrandMaxon
HK$13,686.95
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. 921-3678
Mfr. Part No.116514-13
HK$1,530.56
Each
units
24 V Brushed 536 W 12630 → 16167 rpm - - 198.63mm 146.84 (Dia.)mm - 146.84 (Dia.) x 198.63 mm 16.1 → 20.9 A - 116 CSA Certified, UL Recognized Category PRGY2 (E47185)
RS Stock No. 420-5209
Mfr. Part No.110127
BrandMaxon
HK$549.84
Each
units
36 V dc Brushed 5 W 9800 rpm 2mm 6.15 mNm 31.9mm - - 22 (Dia.) x 31.9 mm 181 mA Ironless - -
RS Stock No. 536-6024
BrandRS PRO
HK$448.91
Each
units
24 V dc Brushless - 4000 rpm 5mm 0.19 Nm 41mm 42mm 42mm 41 x 42 x 42 mm 5.4 A - - -
RS Stock No. 873-4758
Mfr. Part No.2607T006SR
BrandFaulhaber
HK$458.62
Each
units
6 V dc Brushed 1.08 W 2500 rpm 1.5mm 3.2 mNm 13.9mm - - 26 (Dia.) x 13.9 mm 400 mA Metal 2607 -
RS Stock No. 183-0058
Mfr. Part No.80370001
BrandCrouzet
HK$8,400.01
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. 873-4824
Mfr. Part No.1741U012CXR
BrandFaulhaber
HK$1,198.34
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. 752-1964
BrandRS PRO
HK$364.02
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. 499-1124
Mfr. Part No.80180002
BrandCrouzet
HK$2,941.11
Each
units
24 V dc Brushless 80 W 3250 rpm 8mm 240 mNm 111.7mm 57mm 57mm 111.7 x 57 x 57 mm 4.8 A - - -
RS Stock No. 122-4623
Mfr. Part No.LL1011A-050K05
BrandPiezoMotor
HK$6,182.90
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. 881-4472
Mfr. Part No.DMN37BA
BrandNidec
HK$219.53
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. 179-2843
Mfr. Part No.MBLD250
BrandCLM
HK$2,833.46
Each
units
- - - - - - - - - - - - - -
RS Stock No. 873-4827
Mfr. Part No.1741U024CXR
BrandFaulhaber
HK$877.33
Each
units
24 V dc Brushed 4.8 W 3940 rpm 2mm 8.4 mNm 49.2mm - - 17 (Dia.) x 49.2 mm 330 mA Graphite 1741 -
RS Stock No. 752-1967
BrandRS PRO
HK$337.14
Each
units
6 → 15 V - 7.98 W 41 rpm 6mm 78.4 gcm 80.3mm 32 (Dia.)mm - 32 (Dia.) x 80.5 mm 990 mA Metal - -
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