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
TWD7,328.00
Each
units
40 W - - Induction 230 V ac 1 1275 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 441-0423
Mfr. Part No.9904 111 31813
TWD3,039.00
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
TWD3,733.00
Each
units
24 W - - Shaded Pole Geared 230 V ac - 2 rpm - Spur - - 12mm - -
RS Stock No. 204-4888
Mfr. Part No.82524004
BrandCrouzet
TWD4,008.00
Each
units
3.5 W - - Synchronous Geared 230 → 240 V ac - 10 rpm - - - - 4mm 10mm 56mm
RS Stock No. 775-4555
Mfr. Part No.1LE1001-1CA13-4AA4
BrandSiemens
TWD46,999.00
Each
units
7.5 kW IE2 - Induction 400 V, 690 V 3 2950 rpm 2 - - Foot 38mm 80mm 256mm
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. 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. 127-0240
Mfr. Part No.MBMU1E2AZ
BrandPanasonic
TWD13,384.00
Each
units
130 W - - Brushless 200 V 1, 3 3000 rpm 8 - - - 8mm 30mm 59.5mm
RS Stock No. 205-2867
Mfr. Part No.TP100LA4 2,2 230/400-50 B3 MV
BrandMotovario
TWD15,757.00
Each
units
2.2 kW IE3 50Hz - 230/400 V 3 - 4P - - B3 - - -
RS Stock No. 103-3954
Mfr. Part No.9IDGG-90FP-T
BrandDKM
TWD4,832.00
Each
units
90 W - - Induction 220 V 3 1300 (50 Hz) rpm, 1600 (60 Hz) rpm 4 - - - 15mm 31mm 90mm
RS Stock No. 733-2058
Mfr. Part No.3GAA061 312-ASC
BrandABB
TWD6,967.00
Each
units
0.25 kW IE2 - Induction 415 V ac 3 2810 rpm @ 380 V 2 - - Foot - - -
RS Stock No. 424-009
Mfr. Part No.M9MX40GK4YGA
BrandPanasonic
TWD7,940.00
Each
units
40 W - - Induction 230 V ac 3 1340 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 205-2868
Mfr. Part No.TP100LA4 2,2 230/400-50 B5 MV
BrandMotovario
TWD15,700.00
Each
units
2.2 kW IE3 50Hz - 230/400 V 3 - 4P - - B5 - - -
RS Stock No. 125-0285
Mfr. Part No.82334760
BrandCrouzet
TWD3,937.00
Each
units
3.5 W - - Geared 24 → 240 V - 720 rpm - Ovoid 120:1 - 4mm - 44.85mm
RS Stock No. 205-2859
Mfr. Part No.TP80B4 0,75 230/400-50 B3 MV
BrandMotovario
TWD8,505.00
Each
units
0.75 kW IE3 50Hz - 230/400 V 3 - 4P - - B3 - - -
New
RS Stock No. 217-6475
Mfr. Part No.1FL6032-2AF21-1MH1
BrandSiemens
TWD19,321.00
Each
units
200 W - - Synchronous 230 V - - - - - Flange Mount - - -
RS Stock No. 187-9892
BrandRS PRO
TWD28,736.00
Each
units
11 kW IE3 50Hz - 400 V 3 2945 rpm 2 - - Foot Mount 42k6 110mm 553.5mm
RS Stock No. 733-2092
Mfr. Part No.3GAA072 311-ASE
BrandABB
TWD7,009.00
Each
units
0.25 kW IE2 - Induction 415 V ac 3 1365 rpm @ 380 V 4 - - Foot - - -
RS Stock No. 773-6879
Mfr. Part No.MC 145P2T 80 B5
BrandMini Motor
TWD17,377.00
Each
units
18 W - - Induction Geared 230 V ac, 400 V ac 3 17.5 rpm - Worm - - - - 81mm
RS Stock No. 773-6866
Mfr. Part No.MC 244PT 80 B5
BrandMini Motor
TWD16,083.00
Each
units
49 W - - Induction Geared 230 V ac, 400 V ac 3 35 rpm - Worm - - - - 81mm