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
TWD7,302.00
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
TWD3,028.00
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
TWD3,720.00
Each
units
24 W - - Shaded Pole Geared 230 V ac - 2 rpm - Spur - - 12mm - -
RS Stock No. 204-4888
Mfr. Part No.82524004
BrandCrouzet
TWD3,864.00
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
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. 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. 127-0240
Mfr. Part No.MBMU1E2AZ
BrandPanasonic
TWD13,336.00
Each
units
130 W - - Brushless 200 V 1, 3 3000 rpm 8 - - - 8mm 30mm 59.5mm
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. 205-2861
Mfr. Part No.TP90S4 1,1 230/400-50 B14 MV
BrandMotovario
TWD11,241.00
Each
units
1.1 kW IE3 50Hz - 230/400 V 3 - 4P - - B14 - - -
RS Stock No. 187-9894
BrandRS PRO
TWD29,392.00
Each
units
11 kW IE3 50Hz - 400 V 3 1470 rpm 4 - - Foot Mount 42k6 110mm 553.5mm
RS Stock No. 187-9843
BrandRS PRO
TWD3,554.00
Each
units
0.18 kW IE1 50Hz - 400 V 3 2740 rpm 2 - - Foot Mount 11j6 23mm 188mm
RS Stock No. 103-3955
Mfr. Part No.9IDGG-60FP-T
BrandDKM
TWD4,354.00
Each
units
60 W - - Induction 220 V 3 1350 (50 Hz) rpm, 1600 (60 Hz) rpm 4 - - - 15mm 31mm 90mm
RS Stock No. 424-015
Mfr. Part No.M9MZ60GK4YGA
BrandPanasonic
TWD8,928.00
Each
units
60 W - - Induction 230 V ac 3 1320 rpm @ 230 V 4 - - - - - 90mm
RS Stock No. 478-4904
Mfr. Part No.MC 440P3T 30 B3
BrandMini Motor
TWD18,022.00
Each
units
180 W - - Induction Geared 230 V ac, 400 V ac 3 93 rpm - Worm - - - - 99mm
New
RS Stock No. 214-7408
Mfr. Part No.R88M-G10030T-BS2
BrandOmron
TWD51,626.00
Each
units
100 W - - - 200 V 1 - - - - - - - -
New
RS Stock No. 215-8257
Mfr. Part No.R88M-1L1K530C-BS2
BrandOmron
TWD75,412.00
Each
units
1.5 kW - - - 400 V 3 - - - - - - - -
New
RS Stock No. 214-7424
Mfr. Part No.R88M-K1K020F-S2
BrandOmron
TWD42,684.00
Each
units
1 kW - - - 400 V 3 - - - - - - - -
RS Stock No. 125-0259
Mfr. Part No.82304017
BrandCrouzet
TWD3,780.00
Each
units
0.2 W - - Geared 24 → 240 V - 600 rpm - - - - - - 47 (Dia.)mm
RS Stock No. 187-9847
BrandRS PRO
TWD4,445.00
Each
units
0.25 kW IE1 50Hz - 400 V 3 1375 rpm 4 - - Flange Mount 14j6 30mm 159.5 Dia.mm
RS Stock No. 123-8195
Mfr. Part No.3GAA131613-BDJ
BrandABB
TWD53,450.00
Each
units
7.5 kW IE3 - Induction - 3 2898 rpm 2 - - Flange Mount 41mm 80mm 537mm