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. 424-207
Mfr. Part No.M91X40G4GGA
BrandPanasonic
TWD7,188.00
Each
units
40 W - - Induction 230 V ac 1 1275 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 204-4888
Mfr. Part No.82524004
BrandCrouzet
TWD3,864.00
Each
units
3.5 W - - Synchronous Geared 230 → 240 V ac - 10 rpm - - - - 4mm 10mm 56mm
RS Stock No. 441-0423
Mfr. Part No.9904 111 31813
TWD2,981.00
Each
units
1.8 W - - Synchronous 110 V ac 1 250 rpm @ 230 V 24 - - Flange Mount 3mm 12.7mm -
RS Stock No. 454-8326
Mfr. Part No.FB1037
TWD3,662.00
Each
units
24 W - - Shaded Pole Geared 230 V ac - 2 rpm - Spur - - 12mm - -
RS Stock No. 127-0240
Mfr. Part No.MBMU1E2AZ
BrandPanasonic
TWD13,128.00
Each
units
130 W - - Brushless 200 V 1, 3 3000 rpm 8 - - - 8mm 30mm 59.5mm
RS Stock No. 332-802
Mfr. Part No.9904 111 32311
BrandPhilips
TWD2,499.00
Each
units
1.7 W - - Synchronous 110 → 240 V ac 2 300 rpm @ 110 V 24 - - - 2mm 7.8mm -
RS Stock No. 775-4555
Mfr. Part No.1LE1001-1CA13-4AA4
BrandSiemens
TWD39,088.00
Each
units
7.5 kW IE2 - Induction 400 V, 690 V 3 2950 rpm 2 - - Foot 38mm 80mm 256mm
RS Stock No. 440-391
Mfr. Part No.82520001
BrandCrouzet
TWD2,901.00
Each
units
0.98 W - - Synchronous 230 → 240 V ac 2 250 rpm @ 240 V 24 - - - 2mm 7.4mm -
RS Stock No. 424-015
Mfr. Part No.M9MZ60GK4YGA
BrandPanasonic
TWD8,789.00
Each
units
60 W - - Induction 230 V ac 3 1320 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 918-0843
BrandRS PRO
TWD1,968.00
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 1 rpm 1 Spur - - 3mm 7mm 68mm
RS Stock No. 125-0265
Mfr. Part No.82304022
BrandCrouzet
TWD3,941.00
Each
units
0.2 W - - Geared 24 → 240 V - 600 rpm - - - - - - 47 (Dia.)mm
RS Stock No. 187-9845
BrandRS PRO
TWD3,713.00
Each
units
0.25 kW IE1 50Hz - 400 V 3 2765 rpm 2 - - Foot Mount 11j6 23mm 188mm
RS Stock No. 204-4793
Mfr. Part No.80547015
BrandCrouzet
TWD9,393.00
Each
units
7.2 W - - Synchronous Geared 230 → 240 V ac - 10 rpm - - - - 8mm 15mm 65mm
RS Stock No. 423-967
Mfr. Part No.M8MX25GK4CGA
BrandPanasonic
TWD6,743.00
Each
units
25 W - - Induction 400 V ac 3 1325 rpm @ 415 V 4 - - - - - 80mm
RS Stock No. 248-3637
Mfr. Part No.AC1004
TWD750.00
Each
units
24 W - - Shaded Pole 230 V ac 1 2000 rpm @ 240 V 2 - - - 6mm - -
New
RS Stock No. 215-8282
Mfr. Part No.R88M-G05030H-BS2
BrandOmron
TWD23,418.00
Each
units
50 W - - - 230 V 1 - - - - - - - -
RS Stock No. 400-848
Mfr. Part No.SD18-0093/CONT
BrandParvalux
TWD19,529.00
Each
units
- - - Induction 220 → 240 V 1 5 rpm - - - - 15mm 51mm 171mm
RS Stock No. 187-9898
BrandRS PRO
TWD37,983.00
Each
units
15 kW IE3 50Hz - 400 V 3 1470 rpm 4 - - Foot Mount 42k6 110mm 553.5mm
RS Stock No. 424-061
Mfr. Part No.M9MX40GK4CGA
BrandPanasonic
TWD7,742.00
Each
units
40 W - - Induction 400 V ac 3 1350 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 103-3951
Mfr. Part No.9IDGL-90FP-T
BrandDKM
TWD3,206.00
Each
units
- - - Induction - - - 4 - - - 15mm 31mm 90mm