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. 420-5170
Mfr. Part No.110049
BrandMaxon
HK$622.20
Each
units
24 V dc Brushed 2 W 13800 rpm 1.5mm 2.1 mNm 25.4mm - - 16 (Dia.) x 25.4 mm 134 mA Ironless - -
RS Stock No. 238-9692
BrandRS PRO
HK$17.47
Each
units
1.5 → 3 V dc - 1.21 W 8200 → 14000 rpm 2mm 10.4 gcm 38mm - - 21 (Dia.) x 38 mm 960 mA Iron Core - -
RS Stock No. 445-9024
Mfr. Part No.DN22M-12
BrandCanon
HK$306.85
Each
units
12 V dc Brushed 1.3 W 5400 rpm 2mm 2.45 mNm 32.8mm 22mm 18mm 32.8 x 22 x 18 mm 190 mA Iron Core - -
RS Stock No. 873-4773
Mfr. Part No.1506N006SR
BrandFaulhaber
HK$411.83
Each
units
6 V dc Brushed 0.15 W 2500 rpm 1.5mm 0.35 mNm 10.5mm - - 15 (Dia.) x 10.5 mm 81 mA Metal 1506 -
RS Stock No. 236-1694
Mfr. Part No.82800502
BrandCrouzet
HK$783.40
Each
units
24 V dc Brushed 22 W 3070 rpm 6mm 70 mNm 84.8mm - - 50.2 (Dia.) x 84.8 mm 1.71 A Iron Core - -
RS Stock No. 536-6024
BrandRS PRO
HK$481.79
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. 873-4809
Mfr. Part No.2657W024CXR
BrandFaulhaber
HK$1,792.64
Each
units
24 V dc Brushed 45.7 W 5110 rpm 4mm 40 mNm 69.4mm - - 26 (Dia.) x 69.4 mm 1.2 A Graphite 2657 -
RS Stock No. 536-6046
BrandRS PRO
HK$917.10
Each
units
36 V dc Brushless - 4000 rpm 8mm 0.68 Nm 74mm 47mm 48mm 57 (Dia.) x 74 mm 9.8 A Metal 726 -
RS Stock No. 445-0257
Mfr. Part No.121394
BrandMaxon
HK$1,568.58
Each
units
24 V dc Brushed 11 W 8820 rpm 3mm 17.2 mNm 44.7mm - - 26 (Dia.) x 44.7 mm 704 mA Ironless - -
RS Stock No. 495-079
Mfr. Part No.343015
BrandMaxon
HK$13,614.14
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. 881-4475
Mfr. Part No.DMN29BA
BrandNidec
HK$111.16
Each
units
12 V dc Brushed 3 W 3700 rpm 2.5mm 7.8 mNm 54mm 29mm - 29 (Dia.) x 54 mm 420 mA - DMN29 RoHS
RS Stock No. 873-4802
Mfr. Part No.2237S024CXR
BrandFaulhaber
HK$852.42
Each
units
24 V dc Brushed 8.5 W 4560 rpm 3mm 12 mNm 49.2mm - - 22 (Dia.) x 49.2 mm 460 mA Graphite 2237 -
RS Stock No. 873-4798
Mfr. Part No.2224U024SR
BrandFaulhaber
HK$825.71
Each
units
24 V dc Brushed 3.88 W 4300 rpm 2mm 6.6 mNm 32.3mm - - 22 (Dia.) x 32.3 mm 250 mA Metal 2224 -
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. 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. 892-9139
Mfr. Part No.25GST2R82-216P.1
BrandPortescap
HK$1,408.86
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. 892-9110
Mfr. Part No.22N28-210E.286
BrandPortescap
HK$588.20
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. 892-9114
Mfr. Part No.22N28-208E.286
BrandPortescap
HK$462.59
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. 892-9145
Mfr. Part No.35NT2R82-426SP.50
BrandPortescap
HK$2,773.18
Each
units
32 V dc Brushed 103 W 5850 rpm 5mm 109 mNm 75.1mm 35mm - 35 (Dia.) x 75.1 mm 80 mA Ironless - -
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 - -
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