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. 440-262
Mfr. Part No.82910003
BrandCrouzet
TWD1,481.00
Each
units
12.7 V Permanent Magnet Stepper - - 2mm - - - - - 21.7mm - 190 mA -
RS Stock No. 321-3192
BrandRS PRO
TWD1,026.00
Each
units
12 V dc - 80.16 W 8311 rpm 6.35mm 92.13 mNm - 69mm - - - 51.8 (Dia.) x 69 mm 10.82 A Iron Core
RS Stock No. 829-3547
Mfr. Part No.SS2422-5041
TWD1,256.00
Each
units
24 V Hybrid Stepper - - 5mm - - - - - 18.6mm - 1 A -
RS Stock No. 238-9759
BrandRS PRO
TWD220.00
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. 892-9192
Mfr. Part No.26BC-6A-110.101
BrandPortescap
TWD7,202.00
Each
units
15 V Brushless 4.6 W 9300 rpm 3mm 4.4 mNm - 44.8mm - 26mm - 26 (Dia.) x 44.8 mm 400 mA Ironless
RS Stock No. 921-3788
Mfr. Part No.GM8212-41
TWD3,868.00
Each
units
19.1 V dc V dc Brushed Geared 1.6 W 38.8 rpm 4.76mm 70 Ncm Spur 75.62mm 187:1 34.8 (Dia.)mm - 75.62 x 34.8 (Dia.) mm 210 mA -
RS Stock No. 536-6030
BrandRS PRO
TWD2,506.00
Each
units
24 V dc Brushless - 4000 rpm 5mm 0.75 Nm - 100mm - 42mm 42mm 100 x 42 x 42 mm 20 A -
RS Stock No. 245-6102
Mfr. Part No.1271-12-90
TWD1,073.00
Each
units
12 V dc Geared - 18 rpm 4mm 8 Ncm Spur 41mm - 27mm - - 50 mA Iron Core
RS Stock No. 178-4658
Mfr. Part No.82862004
BrandCrouzet
TWD3,066.00
Each
units
24 V dc Brushed Geared 3 W 440 rpm 5mm 0.5 Nm - 68.1mm - 35.4mm - - - Iron Core
RS Stock No. 881-4475
Mfr. Part No.DMN29BA
BrandNidec
TWD400.00
Each
units
12 V Brushed 3 W 3700 rpm 2.5mm 7.8 mNm - 54mm - 29mm - 29 (Dia.) x 54 mm 420 mA -
RS Stock No. 873-4742
Mfr. Part No.3268G024BX4 SC
BrandFaulhaber
TWD15,473.00
Each
units
24 V Brushless 32.7 W 7000 rpm 5mm 47 mNm, 73 mNm - 98.4mm - - - 32 (Dia.) x 98.4 mm 1.41 A, 2 A -
RS Stock No. 351-4647
Mfr. Part No.P542-M481U-G23L82
TWD2,427.00
Each
units
5 V Permanent Magnet Stepper - - 4mm - - - - - 25mm - 550 mA -
RS Stock No. 834-7675
BrandRS PRO
TWD465.00
Each
units
6 V dc Brushed Geared 0.46 W 1800 rpm 3 24 gcm Spur 24.25mm - 12mm 12mm 24.25 x 10 x 12 mm 170 mA Metal
RS Stock No. 915-8943
Mfr. Part No.123826
BrandMaxon
TWD5,612.00
Each
units
12 V dc Brushed Geared 7 W 230 rpm - 60 Ncm Spur - - 38 (Dia.)mm - - 840 mA -
RS Stock No. 921-3779
Mfr. Part No.GM8212-31
TWD3,778.00
Each
units
19.1 V dc V dc Brushed Geared 2.4 W 120 rpm 4.76mm 35 Ncm Spur 75.62mm 60.5:1 34.8 (Dia.)mm - 75.62 x 34.8 (Dia.) mm 210 mA -
RS Stock No. 892-9167
Mfr. Part No.P310-158-005.10
BrandPortescap
TWD7,191.00
Each
units
- - - 11500 rpm - - - - - - - - 720 mA -
RS Stock No. 248-3716
Mfr. Part No.RS380
TWD410.00
Each
units
24 V dc Brushed - 6500 rpm 2.3mm 3.5 Ncm - 37.8mm - - - 27.7 (Dia.) x 37.8 mm - Iron Core
RS Stock No. 921-1460
Mfr. Part No.HG37-300-AA-00
TWD880.00
Each
units
12 V dc Geared - 14 rpm 6mm 59 Ncm - - 300:1 39 (Dia.)mm 83.2mm 39 (Dia.) x 83.2 mm 180 mA -
RS Stock No. 298-5408
Mfr. Part No.L149-12-90
TWD1,043.00
Each
units
12 V dc Brushed Geared - 18 rpm 4mm 8 Ncm Spur 41mm - 27mm - - 50 mA Iron Core
RS Stock No. 849-6263
Mfr. Part No.321.1000.3B.00
BrandDOGA
TWD16,816.00
Each
units
24 V - 500 W 2700 rpm - 1.9 Nm - - - - - - 27 A -