AC Motors

AC motors are driven by an alternating current and are a highly efficient way of turning electrical energy into mechanical motion. AC motors differ from DC (Direct Current) Motors in that they are brushless, meaning less need for maintenance and a typically longer life expectancy. Unlike DC motors, the output speed for AC motors is typically controlled by a frequency drive control.

What are the types of AC motors?

The RS Range of AC motors includes the following:

  • AC Induction Motors

    : Typically used in kitchen appliances, automobiles and industrial machinery, induction motors have an output rotation speed that is proportional to its applied frequency of the alternate current.
  • AC Synchronous Motors

    : So-called because the speed of the rotor is proportional to the stator, synchronous AC motors are used where accuracy is an important factor, such as clocks and timers.
  • AC Squirrel Cage Motors

    : A type of induction motor that uses a cage rotor instead of a wound rotor, and as such is considered to be more rugged and less maintenance heavy. Squirrel cage induction motors are often used in applications where a low starting torque is required and no speed control is needed, such as pumps and air compressors.
  • AC Shaded Pole Motors

    : A single-phase squirrel cage motor that uses an auxiliary winding composed of either a copper ring or bar, called a shading coil. Unlike standard squirrel cage motors, they are suited for multiple speeds and are often used in fans.
  • AC Geared Motors

    : Integrate a gear reducer with an electric AC motor to deliver high torque at low speed or low horsepower. Operating at low speed allows these motors to exert greater power.
  • AC Servo Motors

    : a rotary actuator that allows for precise control of angular position. The motor is attached by gears to the control wheel, as the motor rotates, the position sensors resistance changes, so the control circuit can precisely regulate movement.
  • AC Stepper Motors

    : used as an output in electronic circuits, it divides a full rotation into a number of equal steps.

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Description Price Power Rating Efficiency Class Frequency Rating AC Motor Type Supply Voltage Phase Output Speed Number of Poles Gearhead Type Mounting Type Gear Ratio Shaft Diameter Shaft Length Length
RS Stock No. 733-2058
Mfr. Part No.3GAA061 312-ASC
BrandABB
$329.98
Each
units
0.25 kW IE2 - Induction 415 V ac 3 2810 rpm @ 380 V 2 - Foot - - - 214mm
RS Stock No. 123-4213
Mfr. Part No.ALDA-0160L0-10004-IO
$1,683.74
Each
units
15 kW IE3 50Hz Induction 400 V, 690 V 3 1465 rpm 4 - Foot Mount - - - -
RS Stock No. 181-3037
Mfr. Part No.82 334 5
BrandCrouzet
$183.85
Each
units
3 W - - Synchronous Geared 230 V ac - 1 rph - Ovoid - - 4mm 10mm 41.65mm
RS Stock No. 440-414
Mfr. Part No.82540001
BrandCrouzet
$220.65
Each
units
2.65 W - - Synchronous 230 → 240 V ac 2 250 rpm @ 240 V 24 - - - 6mm 13mm 43mm
RS Stock No. 454-8348
Mfr. Part No.FB1039
$176.82
Each
units
59 W - - Shaded Pole Geared 230 V ac - 5.3 rpm - Spur - - - - 119mm
RS Stock No. 768-9552
Mfr. Part No.3GBP 131324-ADB
BrandABB
$2,242.51
Each
units
7.5 kW IE2 - Induction 400 V 3 2890 rpm 2 - Foot - 38mm 80mm 588mm
RS Stock No. 181-2674
Mfr. Part No.82334759
BrandCrouzet
$181.13
Each
units
3 W - - Synchronous Geared 230 V ac - 6 rpm - Spur - - 4mm 10mm 41.65mm
RS Stock No. 478-4875
Mfr. Part No.MC 244PT 40 B3
BrandMini Motor
$673.25
Each
units
49 W - - Induction Geared 230 V ac, 400 V ac 3 70 rpm - Worm - - - - 193mm
RS Stock No. 424-140
Mfr. Part No.M81X25G4GGA
BrandPanasonic
$237.11
Each
units
25 W - - Induction 230 V ac 1 1150 rpm @ 230 V 4 - - - - - 85mm
RS Stock No. 773-6898
Mfr. Part No.BC 2000/T 15 B3
BrandMini Motor
$591.72
Each
units
20 W - - Induction Geared 230 V ac, 400 V ac 3 186 rpm - Worm - - 9mm - 176mm
RS Stock No. 440-408
Mfr. Part No.82530001
BrandCrouzet
$171.13
Each
units
1.37 W - - Synchronous 230 → 240 V ac 2 250 rpm @ 240 V 24 - - - 4mm 14.4mm 35.4mm
RS Stock No. 181-2292
Mfr. Part No.82334752
BrandCrouzet
$199.89
Each
units
3 W - - Synchronous Geared 230 V ac - 1/2 rpm - Ovoid - - 4mm 10mm 41.65mm
RS Stock No. 181-2359
Mfr. Part No.82334768
BrandCrouzet
$181.13
Each
units
3 W - - Synchronous Geared 230 V ac - 5 rpm - - - - 4mm 10mm 41.65mm
RS Stock No. 424-156
Mfr. Part No.M91Z60GK4GGA
BrandPanasonic
$423.95
Each
units
60 W - - Induction 230 V ac 1 1300 rpm @ 230 V 4 - - - - - 120mm
RS Stock No. 733-2137
Mfr. Part No.3GAA071 311-BSE
BrandABB
$390.80
Each
units
0.37 kW IE2 - Induction 415 V ac 3 2800 rpm @ 380 V 2 - Flange Mount - - - 239.5mm
RS Stock No. 424-207
Mfr. Part No.M91X40G4GGA
BrandPanasonic
$347.09
Each
units
40 W - - Induction 230 V ac 1 1275 rpm @ 230 V 4 - - - - - 105mm
RS Stock No. 181-2393
Mfr. Part No.82334764
BrandCrouzet
$191.42
Each
units
3 W - - Synchronous Geared 230 V ac - 10 rpm - Ovoid - - 4mm 10mm 41.65mm
RS Stock No. 383-1289
Mfr. Part No.53223
$165.97
Each
units
3.3 W - - Synchronous Geared 230 V ac - 4 rpm - - - - - - -
RS Stock No. 424-144
Mfr. Part No.M61X6G4GGA
BrandPanasonic
$226.33
Each
units
6 W - - Induction 230 V ac 1 1250 rpm @ 230 V 4 - - - - - 75mm
RS Stock No. 733-2105
Mfr. Part No.3GAA082 311-ASE
BrandABB
$420.23
Each
units
0.55 kW IE2 - Induction 415 V ac 3 1375 rpm @ 380 V 4 - Foot - - - 266mm