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. 877-6244
Mfr. Part No.AC1115
R 692.95
Each
units
26 W - 50Hz Shaded Pole 230 V - 2850 rpm - - Surface Mount - 6mm 24.75mm 61.2mm
RS stock no. 441-0423
Mfr. Part No.9904 111 31813
R 1,543.46
Each
units
1.8 W - - Synchronous 110 V 1 250 rpm @ 230 V 24 - Flange Mount - 3mm 12.7mm 23.9mm
RS stock no. 455-2527
Mfr. Part No.53465
R 765.71
Each
units
0.5 W - - Synchronous 230 V 1 500 rpm 12 - Clip - - - -
RS stock no. 248-3637
Mfr. Part No.AC1004
R 534.82
Each
units
24 W - - Shaded Pole 230 V 1 2000 rpm @ 240 V 2 - - - 6mm - 73mm
RS stock no. 332-802
Mfr. Part No.9904 111 32311
BrandPhilips
R 1,005.88
Each
units
1.7 W - - Synchronous 110 → 240 V 2 300 rpm @ 110 V 24 - - - 2mm 7.8mm 21mm
RS stock no. 779-3743
Mfr. Part No.FMJ7201FJ1
R 419.75
Each
units
4 W - - Synchronous Geared 220 → 240 V 1 30 rpm, 36 rpm - - - - 7mm 19mm 50mm
RS stock no. 877-6247
Mfr. Part No.AC1116
R 817.76
Each
units
40 W - 50Hz Shaded Pole 230 V - 2850 rpm - - Surface Mount - 6mm 24.75mm 61.2mm
RS stock no. 440-414
Mfr. Part No.82540001
BrandCrouzet
R 2,241.50
Each
units
2.65 W - - Synchronous 230 → 240 V 2 250 rpm @ 240 V 24 - - - 6mm 13mm 43mm
RS stock no. 779-3734
Mfr. Part No.FMJ7201FB1
R 436.89
Each
units
4 W - - Synchronous Geared 220 → 240 V 1 2.5 rpm, 3 rpm - - - - 7mm 19mm 50mm
RS stock no. 918-0809
BrandRS PRO
R 811.37
Each
units
5.8 W - 50Hz Synchronous Geared 240 V 1 3 rpm - Spur - - 6.35mm 13mm 65mm
RS stock no. 248-3659
Mfr. Part No.UB1002
R 1,704.75
Each
units
24 W - - Shaded Pole Geared 230 V - 80 rpm - Spur - - 7.95mm - 62mm
RS stock no. 918-0815
BrandRS PRO
R 1,000.71
Each
units
9.5 W - 50Hz Synchronous Geared 240 V 1 45 rpm - Spur - - 4mm 10mm 65mm
RS stock no. 409-5484
Mfr. Part No.82340195
BrandCrouzet
R 875.80
Each
units
0.16 W - - Synchronous 230 V 1 600 rpm @ 240 V 10 - - - 1.96mm 6.6mm 16.9mm
RS stock no. 918-0782
BrandRS PRO
R 314.15
Each
units
1.4 W - 50Hz Synchronous Geared 240 V - 375 rpm - Spur - - 1.5mm 7.5mm 55.2mm
RS stock no. 248-7112
Mfr. Part No.AC1002
R 506.79
Each
units
19 W - - Shaded Pole 220 → 260 V 1 2000 rpm @ 240 V 2 - - - 6mm - 73.25mm
RS stock no. 773-6898
Mfr. Part No.BC 2000/T 15 B3
BrandMini Motor
R 6,439.32
Each
units
20 W - - Induction Geared 230 V, 400 V 3 186 rpm - Worm - - 9mm - 176mm
RS stock no. 454-8332
Mfr. Part No.FB1038
R 2,264.25
Each
units
59 W - - Shaded Pole Geared 230 V - 3.5 rpm - Spur - - - - -
RS stock no. 204-4737
Mfr. Part No.80547020
BrandCrouzet
R 5,018.89
Each
units
7.2 W - - Synchronous Geared 230 → 240 V - 1 rpm - - - - 8mm 15mm 65mm
RS stock no. 424-201
Mfr. Part No.M81X25GK4GGA
BrandPanasonic
R 3,563.37
Each
units
25 W - - Induction 230 V 1 1250 rpm @ 230 V 4 - - - - - 85mm
RS stock no. 248-3665
Mfr. Part No.UB1003
R 1,784.14
Each
units
24 W - - Shaded Pole Geared 230 V - 160 rpm - Spur - - - - 62mm