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. 881-4497
Mfr. Part No.DMN29B36G100A
BrandNidec
HK$386.70
Each
units
12 V dc Brushed Geared 3 W 40 rpm 6mm 39 Ncm - 87.8mm 100:1 37 (Dia.) x 87.8 mm 420 mA 37mm - -
RS Stock No. 413-0622
BrandRS PRO
HK$130.72
Each
units
12 V, 12 → 24 V dc Brushed Geared 1.31 W 66 rpm 4mm 1000 gcm Spur 51mm - - 190 mA 27mm - Iron Core
RS Stock No. 351-4669
Mfr. Part No.9904 120 15211
HK$1,147.39
Each
units
24 V dc Servo 12 W 4000 rpm 3mm 13.5 Ncm - 39.9mm - - - 40mm - -
RS Stock No. 420-4947
Mfr. Part No.242472
BrandMaxon
HK$1,975.98
Each
units
24 V dc Brushed 15 W 5930 rpm - 3.67 Ncm - 62.9mm - 32 (Dia.) x 62.9 mm - - - Ironless
RS Stock No. 535-0372
BrandRS PRO
HK$375.92
Each
units
2.8 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 1.33 A - 33mm -
RS Stock No. 873-4742
Mfr. Part No.3268G024BX4 SC
BrandFaulhaber
HK$4,226.72
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. 420-4931
Mfr. Part No.242467
BrandMaxon
HK$1,879.12
Each
units
12 V dc Brushed 15 W 4670 rpm - 3.6 Ncm - 62.9mm - 32 (Dia.) x 62.9 mm - - - Ironless
RS Stock No. 873-4795
Mfr. Part No.2224U012SR
BrandFaulhaber
HK$887.77
Each
units
12 V Brushed 4.05 W 4390 rpm 2mm 6.7 mNm - 32.3mm - 22 (Dia.) x 32.3 mm 520 mA - - Metal
RS Stock No. 238-9822
BrandRS PRO
HK$129.87
Each
units
12 → 24 V dc Brushed Geared 1.62 W 2 - 2100 rpm 2mm 50 gcm Spur 52mm - - 300 mA 110mm - Iron Core
RS Stock No. 901-3294
BrandRS PRO
HK$696.48
Each
units
12 V dc Brushed Geared - 47 rpm 6mm 30 Ncm Spur 73.7mm 100:1 73.7 x 38 x 38 mm - 38mm 38mm Iron Core
RS Stock No. 368-0277
Mfr. Part No.26M048B-1U
HK$296.45
Each
units
5 V Permanent Magnet Stepper - - 2mm - - - - - 250 mA - 13.72mm -
RS Stock No. 873-4789
Mfr. Part No.0816N006SR
BrandFaulhaber
HK$686.30
Each
units
6 V Brushed 0.4 W 13000 rpm 1.5mm 0.7 mNm - - - 8 (Dia.) x 22.1 mm 243 mA 8mm 22.1mm Metal
RS Stock No. 873-4751
Mfr. Part No.2610T012BSC
BrandFaulhaber
HK$1,407.61
Each
units
12 V Brushless 1.91 W 7000 rpm 1.5mm 3.13 mNm, 3.7 mNm - 17.4mm - 26 (Dia.) x 17.4 mm 200 mA, 240 mA - - -
RS Stock No. 921-1436
Mfr. Part No.LC20G-101 1/10
HK$885.23
Each
units
12 V dc Brushless Geared - 657 rpm 3mm 4.9 mNm - 55.4mm 10:1 20 (Dia.) x 62.4 mm 80 mA 20 (Dia.)mm 62.4mm -
RS Stock No. 881-4507
Mfr. Part No.DMN37K50G72A
BrandNidec
HK$522.63
Each
units
12 V dc Brushed Geared 9.2 W 52 rpm 6.8mm 1 Nm - 112.8mm 50:1 50 (Dia.) x 112.8 mm 1.2 A 50mm - -
RS Stock No. 834-7647
BrandRS PRO
HK$125.15
Each
units
3 V Brushed Geared 0.58 W 45 rpm 3mm 9 Ncm Spur 24.25mm - 29.25 x 10 x 12 mm 320 mA 12mm 12mm Metal
RS Stock No. 873-4767
Mfr. Part No.2619S012SR 33:1
BrandFaulhaber
HK$1,009.64
Each
units
12 V dc Brushed Geared 0.97 W 151 rpm 3mm 30 (Continuous) mNm, 100 (Intermittent) mNm Spur 30.1mm 33:1 26 (Dia.) x 30.1 mm - - - Metal
RS Stock No. 829-3525
Mfr. Part No.103H7126-5740
HK$766.38
Each
units
24 V Hybrid Stepper - - 6.35mm - - - - - 2 A - 77.3mm -
RS Stock No. 921-1410
Mfr. Part No.LC22G-103 1/10
HK$1,080.52
Each
units
24 V dc Geared - 578 rpm 3mm 4.9 mNm - - 10:1 22 (Dia.) x 65.9 mm 40 mA 22 (Dia.)mm 65.9mm -
RS Stock No. 351-4574
Mfr. Part No.M82201-P2SB
HK$332.91
Each
units
12 V Permanent Magnet Stepper - - 2mm - - - - - 180 mA - - -