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 Gearhead Type Length Gear Ratio Width Depth Dimensions Current Rating Core Construction
RS Stock No. 420-665
BrandRS PRO
SGD51.80
Each
units
12 V dc Brushed Geared 19.8 W 753 rpm 6mm 2000 gcm Spur 76.6mm - 37mm - - 2.81 A Iron Core
RS Stock No. 798-3646
BrandRS PRO
SGD164.93
Each
units
4.4 V Bipolar, Unipolar Stepper - - 14mm - - - - - 66mm - 2 A -
RS Stock No. 535-0423
BrandRS PRO
SGD101.51
Each
units
2.3 V Hybrid, Permanent Magnet Stepper - - 6.35mm - - - - - 51mm - 2.8 A -
RS Stock No. 834-7607
BrandRS PRO
SGD61.91
Each
units
12 V dc Brushed Geared 7 W 73 rpm 6mm 10000 gcm Spur 79.5mm - 32 (Dia.)mm - 32 (Dia.) x 80 mm 900 mA Iron Core
RS Stock No. 892-8760
BrandRS PRO
SGD176.34
Each
units
24 V Brushless - 4500 rpm 4mm 0.066 Nm - 54mm - 33mm - 33 (Dia.) x 54 mm 1.45 A -
RS Stock No. 901-3317
BrandRS PRO
SGD103.68
Each
units
24 V dc Brushed Geared - 80 rpm 6mm 20 Ncm Spur 73.7mm 60:1 38mm 38mm 73.7 x 38 x 38 mm - Iron Core
RS Stock No. 752-1977
BrandRS PRO
SGD60.76
Each
units
4.5 → 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm - 104.5mm - 35.8 (Dia.)mm - 35.8 (Dia.) x 104.5 mm 2.85 A Metal
RS Stock No. 892-8741
BrandRS PRO
SGD258.26
Each
units
4.17 V, 6 V, 8.4 V Hybrid, Permanent Magnet Stepper - - 7.5mm - - - - - 110mm - 2 A -
RS Stock No. 420-615
BrandRS PRO
SGD220.95
Each
units
12 V dc Brushed Geared 36.88 W 9 rpm 12mm 100000 gcm Planetary 168mm - 51.8mm - - 4.61 A Iron Core
RS Stock No. 420-596
BrandRS PRO
SGD35.60
Each
units
12 V dc Brushed Geared 7.98 W 116 rpm 6mm 6000 gcm Spur 65mm - 37mm - - 990 mA Iron Core
RS Stock No. 892-8757
BrandRS PRO
SGD149.90
Each
units
24 V Brushless - 4600 rpm 6.2mm 0.021 Nm - 55.7mm - 22mm - 22 (Dia.) x 55.7 mm 1.1 A -
RS Stock No. 752-1961
BrandRS PRO
SGD57.11
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. 834-7638
BrandRS PRO
SGD41.34
Each
units
12 V dc Brushed Geared 7 W 144 rpm 6mm 29 Ncm Spur 70.5mm - 37 (Dia.)mm - 37 (Dia.) x 70.9 mm 840 mA Iron Core
RS Stock No. 420-716
BrandRS PRO
SGD40.10
Each
units
12 V dc Brushed Geared 1.5 W 108 rpm 4mm 2000 gcm Planetary 54mm - 22mm - - 200 mA Iron Core
RS Stock No. 535-0338
BrandRS PRO
SGD82.01
Each
units
3.96 V Hybrid, Permanent Magnet Stepper - - 4mm - - - - - 33mm - 600 mA -
RS Stock No. 834-7603
BrandRS PRO
SGD46.80
Each
units
12 V dc Brushed Geared 7 W 1460 rpm 6mm 3488 gcm Spur 66.5mm - 32 (Dia.)mm - 32 (Dia.) x 67.2 mm 900 mA Iron Core
RS Stock No. 752-1951
BrandRS PRO
SGD44.57
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. 834-7635
BrandRS PRO
SGD18.63
Each
units
3 V dc Brushed Geared 0.29 W 1600 rpm 3mm 16 gcm Spur 24.25mm - 12mm 12mm 24.25 x 10 x 12 mm 250 mA Metal
RS Stock No. 752-1955
BrandRS PRO
SGD49.29
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. 413-0638
BrandRS PRO
SGD23.89
Each
units
12 V dc Brushed Geared 1.31 W 221 rpm 4mm 600 gcm Spur 51mm - 27mm - - 190 mA Iron Core