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. 892-8751
BrandRS PRO
HK$929.19
Each
units
24 V dc Brushless - 3500 rpm 6.2mm 0.05 Nm 80.7mm 22mm - 22 (Dia.) x 80.7 mm 1.5 A - - CE, RoHS
RS Stock No. 892-9097
Mfr. Part No.12G88-210E.1001
BrandPortescap
HK$777.50
Each
units
9 V dc Brushed 2.4 W 9900 rpm 1.5mm 3.1 mNm 38.2mm 12mm - 12 (Dia.) x 38.2 mm 370 mA Ironless - -
RS Stock No. 226-1077
Mfr. Part No.0.130.007.027.850
BrandBosch
HK$731.00
Each
units
12 V dc - 28 W 4500 rpm 6mm 6 Ncm 107mm - - 51 (Dia.) x 107 mm 4 A - - -
RS Stock No. 179-2840
Mfr. Part No.MSH80-I60K12-ST1
BrandCLM
HK$2,858.68
Each
units
- - - - - - - - - - - - - -
RS Stock No. 323-4903
Mfr. Part No.110124
BrandMaxon
HK$636.03
Each
units
18 V dc Brushed 5 W 9970 rpm 2mm 6.25 mNm 31.9mm - - 22 (Dia.) x 31.9 mm 374 mA Ironless - -
RS Stock No. 238-9759
BrandRS PRO
HK$66.25
Each
units
4.5 → 15 V dc - 21.2 W 13360 rpm 3.18mm 154.4 gcm 50mm - - 35.8 (Dia.) x 50 mm 2.85 A Iron Core - -
RS Stock No. 892-9151
Mfr. Part No.22N28-210E.201 F16
BrandPortescap
HK$1,289.41
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. 752-1967
BrandRS PRO
HK$308.75
Each
units
6 → 15 V - 7.98 W 41 rpm 6mm 78.4 gcm 80.5mm 32 (Dia.)mm - 32 (Dia.) x 80.5 mm 990 mA Metal - -
RS Stock No. 499-1017
Mfr. Part No.80140004
BrandCrouzet
HK$3,065.62
Each
units
24 V dc Brushless 30 W 2200 rpm 6mm 140 mNm 73.2mm 57mm 57mm 73.2 x 57 x 57 mm 1.9 A - - -
RS Stock No. 181-7577
Mfr. Part No.B7744E742B5F
BrandMaxon
HK$706.70
Each
units
12 V Brushed 10.4 W 5260 RPM, 7140 RPM 2mm 12.5 mNm 32mm 22mm - 22 Dia. x 32 mm 810 mA - DCX -
RS Stock No. 881-4478
Mfr. Part No.DMN29BB
BrandNidec
HK$95.50
Each
units
24 V dc Brushed 3 W 3700 rpm 2.5mm 7.8 mNm 54mm 29mm - 29 (Dia.) x 54 mm 210 mA - DMN29 RoHS
RS Stock No. 752-1973
BrandRS PRO
HK$363.36
Each
units
4.5 → 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 97.8mm 35.8 (Dia.)mm - 35.8 (Dia.) x 97.8 mm 2.85 A Metal - -
RS Stock No. 892-8779
BrandRS PRO
HK$760.19
Each
units
36 V dc Brushless - 4000 rpm 8mm 0.35 Nm 96mm 57mm - 57 (Dia.) x 96 mm 5.5 A - - CE, RoHS
RS Stock No. 443-4069
Mfr. Part No.203889
BrandMaxon
HK$779.00
Each
units
6 V dc Brushed 1.2 W 11100 rpm 1.5mm 1.32 mNm 20.5mm - - 13 (Dia.) x 20.5 mm 267 mA Ironless - -
RS Stock No. 849-6241
Mfr. Part No.162.4101.3B.00
BrandDOGA
HK$991.17
Each
units
24 V dc - 63 W 3000 rpm - 0.2 Nm 118.5mm 60 (Dia.)mm - 60 (Dia.) x 118.5 mm 4 A - - -
RS Stock No. 102-3517
BrandRS PRO
HK$1,577.97
Each
units
12 V Brushed 220 W 3000 rpm 7.93mm 0.7 Nm 180mm 90 (Dia.)mm - 90 (Dia.) x 180 mm - - - -
RS Stock No. 179-2843
Mfr. Part No.MBLD250
BrandCLM
HK$1,905.79
Each
units
- - - - - - - - - - - - - -
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. 181-7548
Mfr. Part No.449464
BrandMaxon
HK$2,132.77
Each
units
24 V Brushless 50 W 15000 RPM 6mm 52.8 mNm, 810 (Stall) mNm 26mm 40mm - 40 Dia. x 26 mm 47.9 A - - -
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 - -
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