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 Stock No. 789-3014
Mfr. Part No.89850008
BrandCrouzet
HK$1,642.84
Each
units
24 V dc Brushed 51 W 3000 rpm 6mm 110 mNm 139.6mm - - 42 (Dia.) x 139.6 mm 8.4 A Permanent Magnet - -
RS Stock No. 849-6248
Mfr. Part No.169.4107.2B.00
BrandDOGA
HK$1,600.97
Each
units
12 V dc - 122 W 2900 rpm - 0.4 Nm - - - - 16 A - - -
RS Stock No. 253-2537
Mfr. Part No.35NT2R 82 426SP.77
BrandPortescap
HK$2,652.00
Each
units
32 V dc - 102 W 5900 rpm 3mm 115 mNm 57.2mm - - 35 (Dia.) x 57.2 mm 2.3 A Ironless - -
RS Stock No. 181-7577
Mfr. Part No.B7744E742B5F
BrandMaxon
HK$706.70
Each
units
12 V Brushed 10.4 W 5260 RPM, 7140 RPM 2mm 12.5 mNm 32mm 22mm - 22 Dia. x 32 mm 810 mA - DCX -
RS Stock No. 122-0031
Mfr. Part No.80280013
BrandCrouzet
HK$4,705.77
Each
units
10 to 36 V Brushless 84 W @ 12 V, 199 W @ 24 V, 251 W @ 32 V 800 rpm @ 12 V, 1900 rpm @ 24 V, 2400 rpm @ 32 V 8mm 1000 mNm 57.2mm 137mm 57.2mm 57.2 x 137 x 57.2 mm 12.5 A @ 32 V, 15 A @ 12 V, 15 A @ 24 V - 80280 TNi21 -
RS Stock No. 789-3010
Mfr. Part No.89800008
BrandCrouzet
HK$1,417.51
Each
units
24 V dc Brushed 36 W 3100 rpm 6mm 75 mNm 113.5mm - - 42 (Dia.) x 113.5 mm 6.1 A Permanent Magnet - -
RS Stock No. 789-3026
Mfr. Part No.89890011
BrandCrouzet
HK$2,001.91
Each
units
24 V dc Brushed 209 W 3430 rpm 8mm 290 mNm 155mm - - 63 (Dia.) x 155 mm 35.3 A Permanent Magnet - -
RS Stock No. 183-0058
Mfr. Part No.80370001
BrandCrouzet
HK$8,634.69
Each
units
48 V dc Brushless 1470 (Output) W 2340 RPM 14mm 6 nm 208.1mm 75mm 145mm 208.1 x 75 x 145 mm 44 A - - -
RS Stock No. 122-4622
Mfr. Part No.LR8012A-00K05
BrandPiezoMotor
HK$5,473.50
Each
units
48 V - 7 mW/Hz 0 → 100 °/s - 6.5 (Stall Force) N, 7 (Holding Force) N - 23 (Dia.)mm 34.1mm 23 (Dia.) x 34.1 mm - - Piezo LEGS -
RS Stock No. 892-9123
Mfr. Part No.22N28-216E.286
BrandPortescap
HK$670.36
Each
units
6 V dc Brushed 4.2 W 5580 rpm 1.5mm 8.4 mNm 45mm 22mm - 22 (Dia.) x 45 mm 7 mA Ironless - -
RS Stock No. 892-9097
Mfr. Part No.12G88-210E.1001
BrandPortescap
HK$777.50
Each
units
9 V dc Brushed 2.4 W 9900 rpm 1.5mm 3.1 mNm 38.2mm 12mm - 12 (Dia.) x 38.2 mm 370 mA Ironless - -
RS Stock No. 122-4623
Mfr. Part No.LL1011A-050K05
BrandPiezoMotor
HK$6,090.28
Each
units
48 V - 5 mW/Hz 0 → 15 mm/s - 6.5 (Stall Force) N, 7 (Holding Force) N 22mm 10.8mm 19mm 22 x 10.8 x 19 mm - - Piezo LEGS -
RS Stock No. 181-7550
Mfr. Part No.500267
BrandMaxon
HK$1,703.31
Each
units
48 V Brushless 260 W 5000 RPM 10mm 964 mNm, 13100 (Stall) mNm 39.9mm 90mm - 90 Dia. x 39.9 mm 56.9 A - - -
RS Stock No. 849-6257
Mfr. Part No.169.4107.3B.00
BrandDOGA
HK$1,662.10
Each
units
24 V dc - 122 W 2900 rpm - 0.4 Nm - - - - 8 A - - -
RS Stock No. 892-9139
Mfr. Part No.25GST2R82-216P.1
BrandPortescap
HK$1,408.86
Each
units
24 V dc Brushed 24 W 10320 rpm 3mm 30 mNm 61.5mm 25mm - 25 (Dia.) x 61.5 mm 1.45 A Ironless - -
RS Stock No. 873-4824
Mfr. Part No.1741U012CXR
BrandFaulhaber
HK$1,221.60
Each
units
12 V dc Brushed 5.54 W 4410 rpm 2mm 8.4 mNm 49.2mm - - 17 (Dia.) x 49.2 mm 690 mA Graphite 1741 -
RS Stock No. 881-4484
Mfr. Part No.DMN37KA
BrandNidec
HK$241.11
Each
units
12 V dc Brushed 9.2 W 3600 rpm 5mm 24.5 mNm 81.2mm 38.4mm - 38.4 (Dia.) x 81.2 mm 1.2 A - DMN37 RoHS
RS Stock No. 102-3515
BrandRS PRO
HK$1,330.51
Each
units
12 V Brushed 156 W 3000 rpm 7.93mm 0.5 Nm 155mm 90 (Dia.)mm - 90 (Dia.) x 155 mm - - - -
RS Stock No. 181-7552
Mfr. Part No.539473
BrandMaxon
HK$1,846.23
Each
units
24 V Brushless 30 W 15000 RPM 4mm 37.3 mNm, 360 (Stall) mNm 42mm 30mm - 30 Dia. x 42 mm 14.6 A - - -
RS Stock No. 183-0055
Mfr. Part No.79298664
BrandCrouzet
HK$1,163.11
Each
units
- Brushless - - - - 3m - - - - - - -
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