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. For more about DC motors.

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 air compressors, where reliability and ruggedness are required.


 Applications

DC Motors can be used in applications such as conveyor belts and turntables, or in industrial machines where constant ar low-speed torque is needed.


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Description Price Supply Voltage DC Motor Type Power Rating Output Speed Shaft Diameter Maximum Output Torque Gearhead Type Length Gear Ratio Dimensions Current Rating Width Depth Core Construction
RS Stock No. 834-7625
BrandRS PRO
HK$504.46
Each
units
12 V dc Brushed Geared 12 W 12 rpm 6mm 1.2 Nm Planetary 97.5mm - 37 (Dia.) x 101.2 mm 1.42 A 37 (Dia.)mm - Iron Core
RS Stock No. 834-7631
BrandRS PRO
HK$277.67
Each
units
12 V dc Brushed Geared 7 W 72 rpm 6mm 59 Ncm Spur 71mm - 37 (Dia.) x 70.9 mm 840 mA 37 (Dia.)mm - Iron Core
RS Stock No. 420-647
BrandRS PRO
HK$169.24
Each
units
12 V, 12 → 24 V dc Brushed Geared 1.31 W 6 rpm 4mm 1500 gcm Spur 51mm - - 190 mA 27mm - Iron Core
RS Stock No. 789-3048
Mfr. Part No.8985A120
BrandCrouzet
HK$2,551.45
Each
units
24 V dc Brushed Geared 51 W 67 rpm 8mm 7.5 Nm Planetary - - 42 (Dia.) x 204 mm 8.4 A - - Permanent Magnet
RS Stock No. 789-3032
Mfr. Part No.8980A110
BrandCrouzet
HK$3,303.57
Each
units
24 V dc Brushed Geared 36 W 344 rpm 8mm 3 Nm Planetary - - 42 (Dia.) x 167.8 mm 6.1 A - - Permanent Magnet
RS Stock No. 178-4945
Mfr. Part No.82869007
BrandCrouzet
HK$1,025.62
Each
units
12 V dc Brushed Geared 3 W 27 rpm 6mm 2 Nm Ovoid 79.6mm - 79.6 x 54.2 x 65.7 mm - 54.2mm 65.7mm Iron Core
RS Stock No. 881-4494
Mfr. Part No.DMN37K50G18A
BrandNidec
HK$502.16
Each
units
12 V dc Brushed Geared 9.2 W 200 rpm 6.8mm 0.35 Nm - 112.8mm 50:1 50 (Dia.) x 112.8 mm 1.2 A 50mm - -
RS Stock No. 178-4591
Mfr. Part No.82862002
BrandCrouzet
HK$854.55
Each
units
12 V dc Brushed Geared 3 W 140 rpm 5mm 0.5 Nm Spur 68.1mm - - - 35.4mm - Iron Core
RS Stock No. 892-8723
BrandRS PRO
HK$597.75
Each
units
9 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 600 mA - 58mm -
RS Stock No. 248-3671
Mfr. Part No.RS555
HK$140.09
Each
units
24 V dc Brushed - 3500 rpm - 10 Ncm - - - - - - - Iron Core
RS Stock No. 535-0467
BrandRS PRO
HK$268.91
Each
units
2.8 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 1.33 A - 33mm -
RS Stock No. 829-3540
Mfr. Part No.SP2563-5160
HK$1,267.12
Each
units
24 V Hybrid Stepper - - 6.35mm - - - - - 2 A - 81.5mm -
RS Stock No. 536-6024
BrandRS PRO
HK$491.43
Each
units
24 V dc Brushless - 4000 rpm 5mm 0.19 Nm - 41mm - 41 x 42 x 42 mm 5.4 A 42mm 42mm -
RS Stock No. 921-3678
Mfr. Part No.116514-13
HK$1,631.06
Each
units
24 V Brushed 536 W 12630 → 16167 rpm - - - 198.63mm - 146.84 (Dia.) x 198.63 mm 16.1 → 20.9 A 146.84 (Dia.)mm - -
RS Stock No. 192-5988
Mfr. Part No.28L28-416E.49
BrandPortescap
HK$1,647.85
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. 892-9300
Mfr. Part No.26M048B2B
BrandPortescap
HK$360.27
Each
units
12 V Permanent Magnet Stepper - - 2mm 10.6 (Holding) mNm - - - 42.9 x 26.16 x 28.42 mm 110 mA - 28.42mm -
RS Stock No. 472-1284
Mfr. Part No.005203
HK$2,736.72
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. 236-1694
Mfr. Part No.82800502
BrandCrouzet
HK$864.52
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. 409-5276
Mfr. Part No.RH158-12-630
HK$424.38
Each
units
12 V dc Geared 8 W 9 rpm 6mm 100 Ncm Spur 72mm - - 270 mA 39.6mm - Iron Core
RS Stock No. 915-8903
Mfr. Part No.123853
BrandMaxon
HK$1,535.91
Each
units
24 V dc Brushed Geared 7 W 135 rpm - 60 Ncm Spur - - - 390 mA 38 (Dia.)mm - -