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 Gear Ratio Mounting Type Shaft Diameter Shaft Length Width
RS Stock No. 918-0792
BrandRS PRO
$26.58
Each
units
1.5 W - 50Hz Synchronous Geared 240 V 1 10 rpm 1 Spur - - 2mm 7mm 65.8mm
RS Stock No. 918-0714
BrandRS PRO
$44.00
Each
units
5.8 W - 50Hz Synchronous Geared 240 V 1 250 rpm - - - - 6.35mm 13mm 59 (Dia.)mm
RS Stock No. 918-0782
BrandRS PRO
$30.17
Each
units
1.4 W - 50Hz Synchronous Geared 240 V - 375 rpm - Spur - - 1.5mm 7.5mm 65.8mm
RS Stock No. 918-0745
BrandRS PRO
$17.48
Each
units
0.42 W - 50Hz Synchronous Geared 240 V - 375 rpm - - - - 1.5mm 7.5mm 42 (Dia.)mm
RS Stock No. 918-0809
BrandRS PRO
$72.79
Each
units
5.8 W - 50Hz Synchronous Geared 240 V 1 3 rpm - Spur - - 6.35mm 13mm 65mm
RS Stock No. 918-0880
BrandRS PRO
$46.71
Each
units
1.5 W - 50Hz Synchronous Geared 230 V 1 3.33 rpm 1 Spur - - 2mm 7mm 36 (Dia.)mm
RS Stock No. 918-0773
BrandRS PRO
$50.71
Each
units
0.42 W - 50Hz Synchronous Geared 230 V 1 15 rpm 1 Spur 100/3:1 - 3mm 7mm 60mm
RS Stock No. 918-0824
BrandRS PRO
$80.52
Each
units
9.5 W - 50Hz Synchronous Geared 240 V 1 10 rpm - Spur - - 4mm 10mm 65mm
RS Stock No. 918-0723
BrandRS PRO
$53.69
Each
units
9.5 W - 50Hz Synchronous Geared 240 V 1 375 rpm - Spur - - 4mm 10mm 70 (Dia.)mm
RS Stock No. 918-0736
BrandRS PRO
$14.49
Each
units
0.42 W - 50Hz Synchronous Geared 240 V - 375 rpm - - - - 1.5mm 7.5mm 42 (Dia.)mm
RS Stock No. 918-0726
BrandRS PRO
$32.71
Each
units
3.1 W - 50Hz Synchronous Geared 240 V 1 250 rpm 1 Spur - - 3mm 7mm 51.5 (Dia.)mm
RS Stock No. 918-0877
BrandRS PRO
$42.77
Each
units
2.1 W - 50Hz Synchronous Geared 230 V 1 6 rpm 1 Spur - - 2mm 7.5mm 65.8mm
RS Stock No. 918-0852
BrandRS PRO
$89.43
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 1 rpm 1 Spur - - 3mm 7mm 70mm
RS Stock No. 918-0802
BrandRS PRO
$67.56
Each
units
5.8 W - 50Hz Synchronous Geared 240 V 1 1 rpm - Spur - - 6.35mm 13mm 65mm
RS Stock No. 918-0871
BrandRS PRO
$63.41
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 30 rpm 1 Spur - - 3mm 7mm 65.8mm
RS Stock No. 918-0798
BrandRS PRO
$29.97
Each
units
1.5 W - 50Hz Synchronous Geared 240 V 1 8.55 rpm 1 Spur - - 2mm 7mm 65.8mm
RS Stock No. 918-0818
BrandRS PRO
$60.38
Each
units
5.8 W - 50Hz Synchronous Geared 240 V 1 4 rpm - Spur - - 6.35mm 13mm 65mm
RS Stock No. 918-0830
BrandRS PRO
$73.90
Each
units
9.5 W - 50Hz Synchronous Geared 240 V 1 62.5 rpm - Spur - - 4mm 10mm 65mm
RS Stock No. 918-0855
BrandRS PRO
$100.86
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 30 rpm 1 Spur - - 3mm 7mm 60mm
RS Stock No. 918-0717
BrandRS PRO
$26.52
Each
units
2.4 W - 50Hz Synchronous Geared 230 V - 500 rpm - - - - 2mm 8mm 48 (Dia.)mm