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. 409-5305
Mfr. Part No.82800036
BrandCrouzet
HK$755.33
Each
units
12 V dc Brushed 15.7 W 2000 rpm 6mm 75 mNm 84.8mm - - 50.2 (Dia.) x 84.8 mm 2.5 A Iron Core - -
RS Stock No. 752-1989
BrandRS PRO
HK$194.75
Each
units
4.5 → 15 V - 7 W 7300 rpm 6mm 114 gcm 73.6mm 37 (Dia.)mm - 37 (Dia.) x 73.6 mm 840 mA Metal - -
RS Stock No. 409-5282
Mfr. Part No.82860003
BrandCrouzet
HK$402.85
Each
units
4.5 → 30 V dc - 3 W 3700 rpm 2mm 7.7 mNm 44.6mm - - 32.2 (Dia.) x 44.6 mm 430 mA Iron Core - -
RS Stock No. 102-3509
BrandRS PRO
HK$959.13
Each
units
12 V Brushed 94 W 3000 rpm 7.93mm 0.3 Nm 145mm 73 (Dia.)mm - 73 (Dia.) x 145 mm - - - -
RS Stock No. 122-0062
Mfr. Part No.80280001
BrandCrouzet
HK$6,611.31
Each
units
9 to 56 V Brushless 77 W @ 12 V, 235 W @ 24 V, 419 W @ 48 V 740 rpm @ 12 V, 2250 rpm @ 24 V, 4000 rpm @ 48 V 8mm 1000 mNm 57.2mm 167.9mm 57.2mm 57.2 x 136.9 x 57.2 mm 11.5 A @ 48 V, 14 A @ 12 V, 14 A @ 24 V - 80280 SMi21 -
RS Stock No. 752-1949
BrandRS PRO
HK$209.00
Each
units
4.5 → 15 V - 11 W 5216 rpm 6mm 206 gcm 84.1mm 37 (Dia.)mm - 37 (Dia.) x 84.1 mm 1.26 A Metal - -
RS Stock No. 445-0241
Mfr. Part No.121391
BrandMaxon
HK$1,568.58
Each
units
12 V dc Brushed 11 W 8010 rpm 3mm 14.2 mNm 44.7mm - - 26 (Dia.) x 44.7 mm 1.08 A Ironless - -
RS Stock No. 122-0030
Mfr. Part No.80280007
BrandCrouzet
HK$3,071.66
Each
units
10 to 36 V Brushless 84 W @ 12 V, 199 W @ 24 V, 251 W @ 32 V 800 rpm @ 12 V, 1900 rpm @ 24 V, 2400 rpm @ 32 V 8mm 1000 mNm 57.2mm 137mm 57.2mm 57.2 x 137 x 57.2 mm 12.5 A @ 32 V, 15 A @ 12 V, 15 A @ 24 V - 80280 TNi21 -
RS Stock No. 181-7584
Mfr. Part No.B78ADC65DAF7
BrandMaxon
HK$5,100.78
Each
units
24 V Brushed 71.7 W 9690 RPM, 10700 RPM 3mm 0.91 mNm 92.2mm 26mm - 26 Dia. x 92.2 mm 2.76 A - DCX -
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. 892-9117
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. 789-3017
Mfr. Part No.89810008
BrandCrouzet
HK$1,296.75
Each
units
24 V dc Brushed 20 W 2920 rpm 6mm 50 mNm 98.4mm - - 42 (Dia.) x 98.4 mm 3.3 A Permanent Magnet - -
RS Stock No. 892-9148
Mfr. Part No.35NT2R82-226E.1
BrandPortescap
HK$3,000.07
Each
units
28 V dc Brushed 91 W 6935 rpm 5mm 97 mNm 75.1mm 35mm - 35 (Dia.) x 75.1 mm 80 mA Ironless - -
RS Stock No. 179-2844
Mfr. Part No.MLD-030-ST
BrandCLM
HK$1,905.79
Each
units
- - - - - - - - - - - - - -
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. 849-6248
Mfr. Part No.169.4107.2B.00
BrandDOGA
HK$1,600.97
Each
units
12 V dc - 122 W 2900 rpm - 0.4 Nm - - - - 16 A - - -
RS Stock No. 921-1335
Mfr. Part No.3272G024CR
BrandFaulhaber
HK$3,315.63
Each
units
24 V Brushed 85 W 5150 rpm 5mm 11 mNm - 32 (Dia.)mm 94mm 32 (Dia.) x 94 mm 3.5 A Ironless 3272 CR -
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. 752-1951
BrandRS PRO
HK$242.25
Each
units
4.5 → 15 V - 11 W 5216 rpm 6mm 206 gcm 86.6mm 37 (Dia.)mm - 37 (Dia.) x 86.6 mm 1.26 A Metal - -
RS Stock No. 892-9126
Mfr. Part No.22V28-208E.202
BrandPortescap
HK$775.79
Each
units
24 V dc Brushed 3.6 W 6340 rpm 2mm 8.1 mNm 51.1mm 22mm - 22 (Dia.) x 51.1 mm 230 mA Ironless - -
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