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 238-9721
BrandRS PRO
HK$65.46
單位
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庫存編號 111-0830
製造零件編號BCH2MR3023CA6C
HK$10,954.39
單位
220 V Servo 3 kW 3000 rpm 35mm 42.97 Nm - 281mm - 281 x 180 x 245 mm 53.9 A rms 180mm 245mm -
RS庫存編號 781-3058
製造零件編號900-00005
HK$160.35
單位
4 → 6 V Servo 140 mA - - 27 Ncm - 406mm - 406 x 55.8 x 19 mm 140 mA 55.8mm 19mm -
RS庫存編號 351-4726
HK$3,811.44
單位
24 V dc Servo 60 W 3200 rpm 6mm 1.05 Nm - 142mm - - - 52.5mm - -
RS庫存編號 535-0401
BrandRS PRO
HK$416.07
單位
2.8 V Hybrid Stepper - - 5mm - - - - - 1.68 A - 47mm -
RS庫存編號 873-4818
製造零件編號2232S012BX4
BrandFaulhaber
HK$1,621.42
單位
12 V Brushless 8.8 W 4450 rpm 3mm 14.7 mNm - 46mm - 22 (Dia.) x 46 mm 1 A - - -
RS庫存編號 495-063
製造零件編號251601
BrandMaxon
HK$1,356.31
單位
24 V dc Brushless 50 W 6700 rpm 4mm 84.3 mNm - 21.3mm - 42.8 (Dia.) x 21.3 mm 2.36 A - - -
RS庫存編號 779-3740
製造零件編號FMJ7301CH
HK$160.56
單位
12 V Bipolar, Unipolar Stepper - - 3mm - - - - - 32 mA - 19mm -
RS庫存編號 873-4811
製造零件編號2250S024BX4
BrandFaulhaber
HK$1,636.47
單位
24 V Brushless 17.3 W 4870 rpm 3mm 26.2 mNm - 64mm - 22 (Dia.) x 64 mm 850 mA - - -
RS庫存編號 238-9737
BrandRS PRO
HK$60.21
單位
6 → 15 V dc Geared 7.98 W 9869 rpm 2.31mm 78.4 gcm - 38mm - 27.7 (Dia.) x 38 mm 990 mA - - Iron Core
RS庫存編號 873-4748
製造零件編號2232S012BX4 SC
BrandFaulhaber
HK$2,453.63
單位
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庫存編號 248-3687
製造零件編號RS360
HK$107.19
單位
24 V dc Brushed - 5600 rpm - 2.3 Ncm - - - - - - - Iron Core
RS庫存編號 535-0445
BrandRS PRO
HK$826.45
單位
3.2 V Hybrid, Permanent Magnet Stepper - - 6.35mm - - - - - 2.8 A - 76mm -
RS庫存編號 248-3716
製造零件編號RS380
HK$97.23
單位
24 V dc Brushed - 6500 rpm 2.3mm 3.5 Ncm - 37.8mm - 27.7 (Dia.) x 37.8 mm - - - Iron Core
RS庫存編號 829-3538
製造零件編號SS2421-5041
HK$375.84
單位
24 V Hybrid Stepper - - 5mm - - - - - 1 A - 11.6mm -
RS庫存編號 238-9670
BrandRS PRO
HK$277.09
單位
4.5 → 15 V dc, 12 V Brushed Geared 19.8 W 84 rpm 6mm 6000 gcm Spur 78mm - - 2.75 A 37mm - Iron Core
RS庫存編號 413-0622
BrandRS PRO
HK$132.64
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 535-0372
BrandRS PRO
HK$338.33
單位
2.8 V Hybrid, Permanent Magnet Stepper - - 5mm - - - - - 1.33 A - 33mm -
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 351-4669
製造零件編號9904 120 15211
HK$1,164.45
單位
24 V dc Servo 12 W 4000 rpm 3mm 13.5 Ncm - 39.9mm - - - 40mm - -