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. 248-3671
Mfr. Part No.RS555
HK$113.05
Each
units
24 V dc Brushed - 3500 rpm - 10 Ncm - - - - - Iron Core - -
RS Stock No. 192-5988
Mfr. Part No.28L28-416E.49
BrandPortescap
HK$1,735.81
Each
units
24 V dc - 11 W 5600 rpm 3mm 21 mNm 43.5mm - - 28 (Dia.) x 43.5 mm 530 mA Ironless - -
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. 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. 420-5209
Mfr. Part No.110127
BrandMaxon
HK$561.92
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. 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. 921-1329
Mfr. Part No.3242G024BX4
BrandFaulhaber
HK$2,244.34
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. 873-4758
Mfr. Part No.2607T006SR
BrandFaulhaber
HK$427.13
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. 472-1284
Mfr. Part No.005203
HK$2,066.17
Each
units
22.5 V dc Brushed 94 W 3000 rpm 6mm 30 Ncm 37.7mm - - 120 (Dia.) x 37.7 mm 6.9 A - - -
RS Stock No. 789-3023
Mfr. Part No.89830012
BrandCrouzet
HK$1,642.83
Each
units
24 V dc Brushed 102 W 3000 rpm 8mm 180 mNm 130.5mm - - 63 (Dia.) x 130.5 mm 17.2 A Permanent Magnet - -
RS Stock No. 921-3678
Mfr. Part No.116514-13
HK$1,470.20
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. 849-6254
Mfr. Part No.269.4102.3B.00
BrandDOGA
HK$3,015.16
Each
units
24 V dc - 236 W 3000 rpm - 0.75 Nm - - - - 15 A - - -
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. 235-7831
BrandRS PRO
HK$1,293.11
Each
units
24 V dc Brushed 20 W 5300 rpm - 8.1 Ncm 450mm 40mm - 40 (Dia.) x 450 mm - Iron Core - -
RS Stock No. 225-9585
BrandRS PRO
HK$2,126.35
Each
units
37.5 V dc Brushed 200 W 3000 rpm 10mm 64 Ncm 60mm - - 152 (Dia.) x 60 mm 7.3 A - - RoHS
RS Stock No. 468-4797
Mfr. Part No.148866
BrandMaxon
HK$3,913.42
Each
units
12 V dc Brushed 150 W 6920 rpm 6mm 94.9 mNm 71mm - - 40 (Dia.) x 71 mm 6 A Ironless - -
RS Stock No. 752-1955
BrandRS PRO
HK$266.00
Each
units
4.5 → 15 V - 11 W 5216 rpm 6mm 206 gcm 89.1mm 37 (Dia.)mm - 37 (Dia.) x 89.1 mm 1.26 A Metal - -
RS Stock No. 881-4488
Mfr. Part No.DMN37KB
BrandNidec
HK$224.77
Each
units
24 V dc Brushed 9.2 W 3600 rpm 5mm 24.5 mNm 81.2mm 38.4mm - 38.4 (Dia.) x 81.2 mm 600 mA - DMN37 RoHS
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. 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 - -
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