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庫存編號 881-4497
製造零件編號DMN29B36G100A
BrandNidec
HK$386.70
單位
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庫存編號 413-0622
BrandRS PRO
HK$130.72
單位
12 V, 12 → 24 V dc Brushed Geared 1.31 W 66 rpm 4mm 1000 gcm Spur 51mm - - 190 mA 27mm - Iron Core
RS庫存編號 351-4669
製造零件編號9904 120 15211
HK$1,147.39
單位
24 V dc Servo 12 W 4000 rpm 3mm 13.5 Ncm - 39.9mm - - - 40mm - -
RS庫存編號 420-4947
製造零件編號242472
BrandMaxon
HK$1,975.98
單位
24 V dc Brushed 15 W 5930 rpm - 3.67 Ncm - 62.9mm - 32 (Dia.) x 62.9 mm - - - Ironless
RS庫存編號 535-0372
BrandRS PRO
HK$375.92
單位
2.8 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 1.33 A - 33mm -
RS庫存編號 873-4742
製造零件編號3268G024BX4 SC
BrandFaulhaber
HK$4,226.72
單位
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庫存編號 420-4931
製造零件編號242467
BrandMaxon
HK$1,879.12
單位
12 V dc Brushed 15 W 4670 rpm - 3.6 Ncm - 62.9mm - 32 (Dia.) x 62.9 mm - - - Ironless
RS庫存編號 873-4795
製造零件編號2224U012SR
BrandFaulhaber
HK$887.77
單位
12 V Brushed 4.05 W 4390 rpm 2mm 6.7 mNm - 32.3mm - 22 (Dia.) x 32.3 mm 520 mA - - Metal
RS庫存編號 238-9822
BrandRS PRO
HK$129.87
單位
12 → 24 V dc Brushed Geared 1.62 W 2 - 2100 rpm 2mm 50 gcm Spur 52mm - - 300 mA 110mm - Iron Core
RS庫存編號 901-3294
BrandRS PRO
HK$696.48
單位
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庫存編號 368-0277
製造零件編號26M048B-1U
HK$296.45
單位
5 V Permanent Magnet Stepper - - 2mm - - - - - 250 mA - 13.72mm -
RS庫存編號 873-4789
製造零件編號0816N006SR
BrandFaulhaber
HK$686.30
單位
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庫存編號 873-4751
製造零件編號2610T012BSC
BrandFaulhaber
HK$1,407.61
單位
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庫存編號 921-1436
製造零件編號LC20G-101 1/10
HK$885.23
單位
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庫存編號 881-4507
製造零件編號DMN37K50G72A
BrandNidec
HK$522.63
單位
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庫存編號 834-7647
BrandRS PRO
HK$125.15
單位
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庫存編號 873-4767
製造零件編號2619S012SR 33:1
BrandFaulhaber
HK$1,009.64
單位
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庫存編號 829-3525
製造零件編號103H7126-5740
HK$766.38
單位
24 V Hybrid Stepper - - 6.35mm - - - - - 2 A - 77.3mm -
RS庫存編號 921-1410
製造零件編號LC22G-103 1/10
HK$1,080.52
單位
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庫存編號 351-4574
製造零件編號M82201-P2SB
HK$332.91
單位
12 V Permanent Magnet Stepper - - 2mm - - - - - 180 mA - - -