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. 918-0726
BrandRS PRO
TWD677.00
Each
units
3.1 W - 50Hz Synchronous Geared 240 V 1 250 rpm 1 Spur - - 3mm 7mm 51.5 (Dia.)mm
RS Stock No. 409-5529
Mfr. Part No.80 667 015
BrandCrouzet
TWD19,916.00
Each
units
9.5 W - - Synchronous Geared 240 V ac - 3.5 rpm - Spur - - 8mm 16.4mm 65mm
New
RS Stock No. 217-6467
Mfr. Part No.1FL6024-2AF21-1MH1
BrandSiemens
TWD18,311.00
Each
units
100 W - - Synchronous 230 V - - - - - Flange Mount - - -
RS Stock No. 172-0114
Mfr. Part No.3GAA092520-ASJ
BrandABB
TWD14,375.00
Each
units
1.1 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 1437 rpm, 1442 rpm 4 - - Flange Mount - - -
RS Stock No. 478-4847
Mfr. Part No.PC 440M3T 50 B3
BrandMini Motor
TWD19,234.00
Each
units
180 W - - Induction Geared 230 V ac, 400 V ac 3 56 rpm - Worm - - - - 119mm
RS Stock No. 478-3608
Mfr. Part No.BC2000/T 45 B3
BrandMini Motor
TWD12,397.00
Each
units
20 W - - Geared 230 V ac, 400 V ac 3 62 rpm - Worm - - 9mm - 77.5mm
New
RS Stock No. 217-6479
Mfr. Part No.1FL6034-2AF21-1AH1
BrandSiemens
TWD15,670.00
Each
units
400 W - - Synchronous 230 V - - - - - Flange Mount - - -
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. 918-0789
BrandRS PRO
TWD1,185.00
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 500 rpm 1 Spur 25:1 - 3mm 7mm 78mm
RS Stock No. 205-2848
Mfr. Part No.TS71A4 0,25 230/400-50 B3 MV CN
BrandMotovario
TWD4,401.00
Each
units
0.25 kW IE1 50Hz - 230/400 V 3 - 4P - - B3 - - -
RS Stock No. 478-4897
Mfr. Part No.MC 440P3T 15 B3
BrandMini Motor
TWD18,087.00
Each
units
180 W - - Induction Geared 230 V ac, 400 V ac 3 186 rpm - Worm - - - - 103.5mm
RS Stock No. 478-4005
Mfr. Part No.BCE2000/T 125 B3
BrandMini Motor
TWD17,703.00
Each
units
20 W - - Induction Geared 230 V ac, 400 V ac 3 22.4 rpm - Planetary - - 12mm 21.5mm 77.5mm
RS Stock No. 187-9861
BrandRS PRO
TWD6,619.00
Each
units
1.1 kW IE3 50Hz - 400 V 3 2835 rpm 2 - - Flange Mount 19j6 40mm 199.5 Dia.mm
RS Stock No. 172-0107
Mfr. Part No.3GAA091500-ASJ
BrandABB
TWD15,402.00
Each
units
1.5 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 2899 rpm, 2900 rpm, 2909 rpm 2 - - Foot Mount - - -
RS Stock No. 172-0121
Mfr. Part No.3GAA082614-BSJ
BrandABB
TWD13,666.00
Each
units
0.75 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 1437 rpm, 1443 rpm 4 - - Flange Mount - - -
RS Stock No. 172-0136
Mfr. Part No.3GAA131130-BDJ
BrandABB
TWD44,468.00
Each
units
7.5 kW IE3 50Hz Squirrel Cage Motor 400 V, 415 V, 690 V 3 2898 rpm, 2905 rpm 2 - - Flange Mount - - -
RS Stock No. 181-2438
Mfr. Part No.82334726
BrandCrouzet
TWD3,937.00
Each
units
3 W - - Synchronous Geared 230 V ac - 60 rpm - Ovoid - - 4mm 10mm 55.5mm
New
RS Stock No. 217-6495
Mfr. Part No.1FL6044-2AF21-1MB1
BrandSiemens
TWD24,392.00
Each
units
1 kW - - Synchronous 230 V - - - - - Flange Mount - - -
New
RS Stock No. 217-6488
Mfr. Part No.1FL6042-2AF21-1AH1
BrandSiemens
TWD18,663.00
Each
units
750 W - - Synchronous 230 V - - - - - Flange Mount - - -
RS Stock No. 205-2871
Mfr. Part No.TP112MS4 3 230/400-50 B14 MV
BrandMotovario
TWD17,620.00
Each
units
3 kW IE3 50Hz - 400/690 V 3 - 4P - - B14 - - -