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 Dimensions Current Rating Width Depth Core Construction
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. 536-6024
BrandRS PRO
TWD1,740.00
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. 420-5192
Mfr. Part No.200142
BrandMaxon
TWD3,386.00
Each
units
12 V dc Brushless 30 W 4370 rpm 4mm 59 mNm - 16.4mm - 42.9 (Dia.) x 16.4 mm 2.14 A - - -
RS Stock No. 834-7625
BrandRS PRO
TWD1,847.00
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. 892-9170
Mfr. Part No.P530-258-004.10
BrandPortescap
TWD5,938.00
Each
units
- - - 6000 rpm - - - - - - 700 mA - - -
RS Stock No. 468-4810
Mfr. Part No.118386
BrandMaxon
TWD2,678.00
Each
units
6 V dc Brushed 0.75 W 13000 rpm 1mm 0.784 mNm - 17mm - 10 (Dia.) x 17 mm 190 mA - - Ironless
RS Stock No. 417-9683
BrandRS PRO
TWD702.00
Each
units
12 V dc Brushed Geared 0.394 W 1550 rpm 3mm 68 gcm Planetary 41.8mm - - 85 mA 16 (Dia.)mm - Iron Core
RS Stock No. 881-4484
Mfr. Part No.DMN37KA
BrandNidec
TWD926.00
Each
units
12 V Brushed 9.2 W 3600 rpm 5mm 24.5 mNm - 81.2mm - 38.4 (Dia.) x 81.2 mm 1.2 A 38.4mm - -
RS Stock No. 383-1267
Mfr. Part No.53154
TWD506.00
Each
units
12 V Bipolar, Unipolar Stepper - - 1.5mm - - - - - - - - -
RS Stock No. 829-3534
Mfr. Part No.SH2141-5541
TWD2,675.00
Each
units
24 V Hybrid Stepper - - 4mm - - - - - 300 mA - 31.5mm -
RS Stock No. 878-7673
Mfr. Part No.103H7823-1740
TWD3,777.00
Each
units
24 V Single Shaft Stepper - - 8mm - - - - - 4 A - 87.3mm -
RS Stock No. 829-3531
Mfr. Part No.SH2141-5511
TWD2,489.00
Each
units
24 V Hybrid Stepper - - 4mm - - - - - 300 mA - 31.5mm -
RS Stock No. 718-975
Mfr. Part No.22N28-210E.204
BrandPortescap
TWD2,202.00
Each
units
12 V dc - 3.8 W 5900 rpm 2mm 7.3 mNm - 32mm - 22 (Dia.) x 32 mm 380 mA - - Ironless
RS Stock No. 441-0388
Mfr. Part No.BLDC48-12L-033
TWD7,677.00
Each
units
24 V dc Brushless 12 W 4550 rpm 5.99mm 0.03 Nm - 36mm - 54 (Dia.) x 36 mm 690 mA - - -
RS Stock No. 454-0899
BrandRS PRO
TWD1,724.00
Each
units
12 V dc Brushed Geared 19.8 W 24 rpm 6mm 12000 gcm Spur 94.3mm - - 2.81 A 35.8mm - Iron Core
RS Stock No. 892-9300
Mfr. Part No.26M048B2B
BrandPortescap
TWD1,276.00
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. 263-6005
BrandRS PRO
TWD9,996.00
Each
units
24 → 30 V dc Servo 30 W 1600 rpm 6mm 36 Ncm - 134mm - 66 (Dia.) x 134 mm 1.3 A 66mm - -
RS Stock No. 873-4773
Mfr. Part No.1506N006SR
BrandFaulhaber
TWD1,566.00
Each
units
6 V Brushed 0.15 W 2500 rpm 1.5mm 0.35 mNm - 10.5mm - 15 (Dia.) x 10.5 mm 81 mA - - Metal
RS Stock No. 873-4830
Mfr. Part No.1016M012G+10/1 256:1
BrandFaulhaber
TWD6,742.00
Each
units
12 V dc Brushed Geared 0.36 W 15 rpm 2.92mm 10 Ncm Planetary 34.7mm 256:1 10 (Dia.) x 21.8 mm 4 (No Load) mA, 80 (Continuous) mA, 149 (Constant) mA 10mm 21.8mm Metal
RS Stock No. 535-0489
BrandRS PRO
TWD1,164.00
Each
units
2.8 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 1.68 A - 47mm -