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 are 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 are 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 are 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 feature 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 are commonly 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. 424-083
Mfr. Part No.M9MZ90GK4YGA
BrandPanasonic
£227.67
Each
Units
90 W - - Induction 230 V 3 1320 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-207
Mfr. Part No.M91X40G4GGA
BrandPanasonic
£162.08
Each
Units
40 W - - Induction 230 V 1 1275 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-201
Mfr. Part No.M81X25GK4GGA
BrandPanasonic
£145.39
Each
Units
25 W - - Induction 230 V 1 1250 rpm @ 230 V 4 - - - - - 80mm
RS Stock No. 423-973
Mfr. Part No.M8MX25G4YGA
BrandPanasonic
£140.23
Each
Units
25 W - - Induction 230 V 3 1320 rpm @ 230 V 4 - - - - - 80mm
RS Stock No. 424-144
Mfr. Part No.M61X6G4GGA
BrandPanasonic
£104.13
Each
Units
6 W - - Induction 230 V 1 1250 rpm @ 230 V 4 - - - - - 60mm
RS Stock No. 424-166
Mfr. Part No.M91Z90G4GGA
BrandPanasonic
£212.40
Each
Units
90 W - - Induction 230 V 1 1250 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-087
Mfr. Part No.M9MZ90GK4CGA
BrandPanasonic
£225.25
Each
Units
90 W - - Induction 400 V 3 1350 rpm @ 415 V 4 - - - - - 90mm
RS Stock No. 424-140
Mfr. Part No.M81X25G4GGA
BrandPanasonic
£110.72
Each
Units
25 W - - Induction 230 V 1 1150 rpm @ 230 V 4 - - - - - 80mm
RS Stock No. 424-009
Mfr. Part No.M9MX40GK4YGA
BrandPanasonic
£175.61
Each
Units
40 W - - Induction 230 V 3 1340 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 423-977
Mfr. Part No.M8MX25GK4YGA
BrandPanasonic
£154.10
Each
Units
25 W - - Induction 230 V 3 1320 rpm @ 230 V 4 - - - - - 80mm
RS Stock No. 424-150
Mfr. Part No.M91X40GK4GGA
BrandPanasonic
£169.03
Each
Units
40 W - - Induction 230 V 1 1275 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-162
Mfr. Part No.M91Z60G4GGA
BrandPanasonic
£188.08
Each
Units
60 W - - Induction 230 V 1 1300 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-005
Mfr. Part No.M9MZ60GK4CGA
BrandPanasonic
£201.30
Each
Units
60 W - - Induction 400 V 3 1325 rpm @ 415 V 4 - - - - - 90mm
RS Stock No. 424-172
Mfr. Part No.M91Z90GK4GGA
BrandPanasonic
£219.34
Each
Units
90 W - - Induction 230 V 1 1250 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-156
Mfr. Part No.M91Z60GK4GGA
BrandPanasonic
£195.04
Each
Units
60 W - - Induction 230 V 1 1300 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 423-967
Mfr. Part No.M8MX25GK4CGA
BrandPanasonic
£152.04
Each
Units
25 W - - Induction 400 V 3 1325 rpm @ 415 V 4 - - - - - 80mm
RS Stock No. 424-015
Mfr. Part No.M9MZ60GK4YGA
BrandPanasonic
£198.18
Each
Units
60 W - - Induction 230 V 3 1320 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 424-190
Mfr. Part No.M61X6GT4GM1
BrandPanasonic
£142.31
Each
Units
6 W - - Induction 230 V 1 1250 rpm @ 230 V 4 - - - - - 60mm
RS Stock No. 424-061
Mfr. Part No.M9MX40GK4CGA
BrandPanasonic
£174.58
Each
Units
40 W - - Induction 400 V 3 1350 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 127-0238
Mfr. Part No.MBMU5AZAX
BrandPanasonic
£200.51
Each
Units
50 W - - Brushless 100 V, 200 V 1, 3 3000 rpm 8 - - - 8mm 30mm 59.5mm