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 Length Width Depth Dimensions Current Rating Core Construction Series Standards Met
RS庫存編號 420-5192
製造零件編號200142
BrandMaxon
HK$836.21
單位
12 V dc Brushless 30 W 4370 rpm 4mm 59 mNm 16.4mm - - 42.9 (Dia.) x 16.4 mm 2.14 A - - -
RS庫存編號 238-9709
BrandRS PRO
HK$24.25
單位
1.5 → 3 V dc - 1.6 W 7800 rpm 2mm 20 gcm 30.5mm - - 23.8 (Dia.) x 30.5 mm 850 mA Iron Core - -
RS庫存編號 873-4792
製造零件編號2237S012CXR
BrandFaulhaber
HK$910.97
單位
12 V dc Brushed 8.1 W 4450 rpm 3mm 12 mNm 49.2mm - - 22 (Dia.) x 49.2 mm 900 mA Graphite 2237 -
RS庫存編號 536-6024
BrandRS PRO
HK$448.91
單位
24 V dc Brushless - 4000 rpm 5mm 0.19 Nm 41mm 42mm 42mm 41 x 42 x 42 mm 5.4 A - - -
RS庫存編號 536-6046
BrandRS PRO
HK$993.37
單位
36 V dc Brushless - 4000 rpm 8mm 0.68 Nm 74mm 47mm 48mm 57 (Dia.) x 74 mm 9.8 A Metal 726 -
RS庫存編號 873-4809
製造零件編號2657W024CXR
BrandFaulhaber
HK$1,828.76
單位
24 V dc Brushed 45.7 W 5110 rpm 4mm 40 mNm 69.4mm - - 26 (Dia.) x 69.4 mm 1.2 A Graphite 2657 -
RS庫存編號 921-3678
製造零件編號116514-13
HK$1,530.56
單位
24 V Brushed 536 W 12630 → 16167 rpm - - 198.63mm 146.84 (Dia.)mm - 146.84 (Dia.) x 198.63 mm 16.1 → 20.9 A - 116 CSA Certified, UL Recognized Category PRGY2 (E47185)
RS庫存編號 881-4475
製造零件編號DMN29BA
BrandNidec
HK$112.23
單位
12 V dc Brushed 3 W 3700 rpm 2.5mm 7.8 mNm 54mm 29mm - 29 (Dia.) x 54 mm 420 mA - DMN29 RoHS
RS庫存編號 420-5186
製造零件編號236646
BrandMaxon
HK$1,764.26
單位
18 V dc Brushed 15 W 5270 rpm 4mm 37.5 mNm 62.9mm - - 32 (Dia.) x 62.9 mm 1.21 A Ironless - -
RS庫存編號 873-4758
製造零件編號2607T006SR
BrandFaulhaber
HK$458.62
單位
6 V dc Brushed 1.08 W 2500 rpm 1.5mm 3.2 mNm 13.9mm - - 26 (Dia.) x 13.9 mm 400 mA Metal 2607 -
RS庫存編號 445-9024
製造零件編號DN22M-12
BrandCanon
HK$339.08
單位
12 V dc Brushed 1.3 W 5400 rpm 2mm 2.45 mNm 32.8mm 22mm 18mm 32.8 x 22 x 18 mm 190 mA Iron Core - -
RS庫存編號 892-9209
製造零件編號32BF 3C K 11
BrandPortescap
HK$1,757.76
單位
12 V dc Brushless 40 W 13600 rpm 3mm 13 mNm 21.6mm 30mm - 30 (Dia.) x 21.6 mm 1.5 A Ironless - -
RS庫存編號 238-9692
BrandRS PRO
HK$19.25
單位
1.5 → 3 V dc - 1.21 W 8200 → 14000 rpm 2mm 10.4 gcm 21mm - - 21 (Dia.) x 38 mm 960 mA Iron Core - -
RS庫存編號 921-1329
製造零件編號3242G024BX4
BrandFaulhaber
HK$2,317.52
單位
24 V Brushless 45 W 6000 rpm 5mm 54 mNm - 32 (Dia.)mm 72.4mm 32 (Dia.) x 72.4 mm 1.55 A - 3242 BX4 -
RS庫存編號 789-3023
製造零件編號89830012
BrandCrouzet
HK$919.79
單位
24 V dc Brushed 102 W 3000 rpm 8mm 180 mNm 130.5mm - - 63 (Dia.) x 130.5 mm 17.2 A Permanent Magnet - -
RS庫存編號 321-3186
BrandRS PRO
HK$246.30
單位
12 V dc - 36.88 W 4289 rpm 6.35mm 82.08 gcm 69mm - - 51.8 (Dia.) x 69 mm 5.28 A Iron Core - -
RS庫存編號 873-4798
製造零件編號2224U024SR
BrandFaulhaber
HK$838.32
單位
24 V dc Brushed 3.88 W 4300 rpm 2mm 6.6 mNm 32.3mm - - 22 (Dia.) x 32.3 mm 250 mA Metal 2224 -
RS庫存編號 495-079
製造零件編號343015
BrandMaxon
HK$13,686.95
單位
12 → 50 V dc Brushless 60 W 12000 rpm - 5.4 Ncm 120mm 33mm 53mm 120 x 33 x 53 mm - - - -
RS庫存編號 420-5170
製造零件編號110049
BrandMaxon
HK$627.70
單位
24 V dc Brushed 2 W 13800 rpm 1.5mm 2.1 mNm 25.4mm - - 16 (Dia.) x 25.4 mm 134 mA Ironless - -
RS庫存編號 873-4773
製造零件編號1506N006SR
BrandFaulhaber
HK$403.95
單位
6 V dc Brushed 0.15 W 2500 rpm 1.5mm 0.35 mNm 10.5mm - - 15 (Dia.) x 10.5 mm 81 mA Metal 1506 -