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 238-9721
BrandRS PRO
HK$33.44
單位
3 → 7.2 V dc - 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 238-9737
BrandRS PRO
HK$39.38
單位
6 → 15 V dc - 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 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 536-6030
BrandRS PRO
HK$718.20
單位
24 V dc Brushless - 4000 rpm 5mm 0.75 Nm 100mm 42mm 42mm 100 x 42 x 42 mm 20 A - - -
RS庫存編號 225-9591
BrandRS PRO
HK$2,779.92
單位
24 V dc Brushed 221 W 3000 rpm 11.99mm 82 Ncm 95.5mm - - 215.1 (Dia.) x 95.5 mm 13.4 A - - RoHS
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 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 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 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 235-7831
BrandRS PRO
HK$1,569.11
單位
24 V dc Brushed 20 W 5300 rpm - 8.1 Ncm 450mm 40mm - 40 (Dia.) x 450 mm - Iron Core - -
RS庫存編號 752-1986
BrandRS PRO
HK$358.76
單位
4.5 → 15 V - 21.2 W 6000 rpm 6mm 154.4 gcm 95.7mm 35.8 (Dia.)mm - 35.8 (Dia.) x 91 mm 2.85 A Metal - -
RS庫存編號 238-9759
BrandRS PRO
HK$54.87
單位
4.5 → 15 V dc - 21.2 W 13360 rpm 3.18mm 154.4 gcm 50mm - - 35.8 (Dia.) x 50 mm 2.85 A Iron Core - -
RS庫存編號 752-1989
BrandRS PRO
HK$211.53
單位
4.5 → 15 V - 7 W 7300 rpm 6mm 114 gcm 73.4mm 37 (Dia.)mm - 37 (Dia.) x 73.6 mm 840 mA Metal - -
RS庫存編號 752-1949
BrandRS PRO
HK$230.06
單位
4.5 → 15 V - 11 W 5216 rpm 6mm 206 gcm 84.1mm 37 (Dia.)mm - 37 (Dia.) x 84.1 mm 1.26 A Metal - -
RS庫存編號 752-1967
BrandRS PRO
HK$337.14
單位
6 → 15 V - 7.98 W 41 rpm 6mm 78.4 gcm 80.3mm 32 (Dia.)mm - 32 (Dia.) x 80.5 mm 990 mA Metal - -
RS庫存編號 892-8776
BrandRS PRO
HK$1,110.94
單位
24 V dc Brushless - 4840 rpm 4mm 0.36 Nm 47.6mm 42.8mm - 42.8 (Dia.) x 47.6 mm 10 A Permanent Magnet - CE, RoHS
RS庫存編號 225-9541
BrandRS PRO
HK$1,249.48
單位
14.5 V dc Brushed 41 W 3000 rpm 6mm 13 Ncm 37.7mm - - 120 (Dia.) x 37.7 mm 6.9 A - - RoHS
RS庫存編號 892-8760
BrandRS PRO
HK$1,108.88
單位
24 V dc Brushless - 4500 rpm 4mm 0.066 Nm 54mm 33mm - 33 (Dia.) x 54 mm 1.45 A - - CE, RoHS
RS庫存編號 892-8757
BrandRS PRO
HK$942.66
單位
24 V dc Brushless - 4600 rpm 6.2mm 0.021 Nm 55.7mm 22mm - 22 (Dia.) x 55.7 mm 1.1 A - - CE, RoHS
RS庫存編號 752-1992
BrandRS PRO
HK$244.02
單位
4.5 → 15 V - 7 W 7300 rpm 6mm 114 gcm 75.9mm 37 (Dia.)mm - 37 (Dia.) x 76.1 mm 840 mA Metal - -