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. 921-3741
Mfr. Part No.GM9234S017-R1
TWD3,937.00
Each
units
24 V dc Brushed Geared 14 W 424 rpm 6.34mm 43 Ncm Spur 93.4mm 11.5:1 93.4 x 50.8 (Dia.) mm 5.2 A 50.8 (Dia.)mm - -
RS Stock No. 238-9721
BrandRS PRO
TWD142.00
Each
units
3 → 7.2 V dc Geared 19.68 W 19000 rpm 2.3mm 375 gcm - 38mm - 27.7 (Dia.) x 38 mm 4.41 A - - Iron Core
RS Stock No. 752-2002
BrandRS PRO
TWD465.00
Each
units
6 V Brushed Geared 0.46 W 145 rpm 3mm 700 gcm Spur 24.25mm - 15.1 x 12 x 10 mm 170 mA 12mm 10mm Metal
RS Stock No. 204-4901
Mfr. Part No.80807001
BrandCrouzet
TWD6,604.00
Each
units
24 V dc Brushed Geared 15.6 W 21 rpm 8mm 5 Nm Spur 65mm - 65 x 65 x 121 mm - 65mm 121mm Iron Core
RS Stock No. 921-3823
Mfr. Part No.GM14904S015-R1
TWD11,203.00
Each
units
24 V dc Brushed Geared 51 W 179 rpm 6.34mm 2.6 Nm Spur 103.6mm 19.7:1 103.6 x 53.98 (Dia.) mm 390 mA 53.98 (Dia.)mm - -
RS Stock No. 442-7493
BrandCanon
TWD1,420.00
Each
units
12 V dc - 1.4 W 9800 rpm - 0.25 Ncm - - - - - - - Ironless
RS Stock No. 336-337
Mfr. Part No.9904 120 52405
BrandPhilips
TWD1,501.00
Each
units
6 V dc Brushed Geared 2.1 W 60 rpm 4mm 125 mNm Spur 41mm - 41 x 39 x 75.5 mm 360 mA 39mm 75.5mm -
RS Stock No. 873-4770
Mfr. Part No.1512U006SR 324:1
BrandFaulhaber
TWD3,735.00
Each
units
6 V dc Brushed Geared 0.15 W 15 rpm 2mm 30 mNm Spur 19mm 324:1 15 (Dia.) x 19 mm - - - Metal
RS Stock No. 878-7676
Mfr. Part No.103H7823-0740
TWD3,837.00
Each
units
24 V Single Shaft Stepper - - 8mm - - - - - 3 A - 87.3mm -
RS Stock No. 921-3769
Mfr. Part No.GM9234S023-R1
TWD5,964.00
Each
units
24 V dc Brushed Geared 13 W 127 rpm 6.34mm 1.3 Nm Spur 93.4mm 38.3:1 93.4 x 50.8 (Dia.) mm 5.2 A 50.8 (Dia.)mm - -
RS Stock No. 779-3740
Mfr. Part No.FMJ7301CH
TWD588.00
Each
units
12 V Bipolar, Unipolar Stepper - - 3mm - - - - - 32 mA - 19mm -
RS Stock No. 122-0030
Mfr. Part No.80280007
BrandCrouzet
TWD17,208.00
Each
units
10 → 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 - 57.2 x 137 x 57.2 mm 12.5 A @ 32 V, 15 A @ 12 V, 15 A @ 24 V 137mm 57.2mm -
RS Stock No. 336-315
Mfr. Part No.9904 120 52605
BrandPhilips
TWD1,646.00
Each
units
12 V dc Brushed Geared 2.2 W 60 rpm 4mm 125 mNm Spur 41mm - 41 x 39 x 75.5 mm 185 mA 39mm 75.5mm -
RS Stock No. 873-4748
Mfr. Part No.2232S012BX4 SC
BrandFaulhaber
TWD10,395.00
Each
units
12 V Brushless 8.8 W 14500 rpm 3mm 16 mNm - 61.8mm - 22 (Dia.) x 61.8 mm 1 A, 1.4 A - - -
RS Stock No. 535-0445
BrandRS PRO
TWD3,010.00
Each
units
3.2 V Hybrid, Permanent Magnet Stepper - - 6.35mm - - - - - 2.8 A - 76mm -
RS Stock No. 921-1313
Mfr. Part No.1024K006SR
BrandFaulhaber
TWD4,467.00
Each
units
6 V Brushed 2.9 W 7460 rpm 1mm 1.5 mNm - - - 10 (Dia.) x 35.15 mm 350 mA 10 (Dia.)mm 35.15mm Ironless
RS Stock No. 351-4603
Mfr. Part No.P542-M481U-G01L82
TWD2,287.00
Each
units
5 V Permanent Magnet Stepper - - 4mm - - - - - 550 mA - 25mm -
RS Stock No. 535-0401
BrandRS PRO
TWD1,883.00
Each
units
2.8 V Hybrid Stepper - - 5mm - - - - - 1.68 A - 47mm -
RS Stock No. 752-2005
BrandRS PRO
TWD404.00
Each
units
6 V Brushed 0.58 W 13500 rpm 2.5mm 3.9 gcm - 15.1mm - 15.1 x 12 x 10 mm 320 mA 12mm 10mm Metal
RS Stock No. 829-3493
Mfr. Part No.103H5208-0440
TWD1,512.00
Each
units
24 V Hybrid Stepper - - 5mm - - - - - 1.2 A - 40.5mm -