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.

For more information on AC Motors please see our comprehensive guide:https://uk.rs-online.com/web/generalDisplay.html?id=ideas-and-advice/ac-motors-guide

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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. 918-0764
BrandRS PRO
€35.23
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 500 rpm 1 Spur 250/3:1 - 3mm 7mm 78mm
RS Stock No. 187-9897
BrandRS PRO
€1,176.03
Each
units
15 kW IE3 50Hz - 400 V 3 2945 rpm 2 - - Flange Mount 42k6 110mm 349.5 Dia.mm
RS Stock No. 187-9873
BrandRS PRO
€326.63
Each
units
3 kW IE3 50Hz - 400 V 3 2900 rpm 2 - - Foot Mount 28j6 60mm 329mm
RS Stock No. 187-9898
BrandRS PRO
€1,131.04
Each
units
15 kW IE3 50Hz - 400 V 3 1470 rpm 4 - - Foot Mount 42k6 110mm 553.5mm
RS Stock No. 187-9868
BrandRS PRO
€266.14
Each
units
1.5 kW IE3 50Hz - 400 V 3 1445 rpm 4 - - Flange Mount 24j6 50mm 199.5 Dia.mm
RS Stock No. 187-9875
BrandRS PRO
€342.24
Each
units
3 kW IE3 50Hz - 400 V 3 1430 rpm 4 - - Foot Mount 28j6 60mm 329mm
RS Stock No. 918-0789
BrandRS PRO
€35.23
Each
units
3.6 W - 50Hz Synchronous Geared 230 V 1 500 rpm 1 Spur 25:1 - 3mm 7mm 78mm
RS Stock No. 187-9869
BrandRS PRO
€272.02
Each
units
2.2 kW IE3 50Hz - 400 V 3 2895 rpm 2 - - Foot Mount 24j6 50mm 293mm
RS Stock No. 187-9878
BrandRS PRO
€423.00
Each
units
4 kW IE3 50Hz - 400 V 3 2920 rpm 2 - - Flange Mount 28j6 60mm 249.5 Dia.mm
RS Stock No. 187-9884
BrandRS PRO
€522.61
Each
units
5.5 kW IE3 50Hz - 400 V 3 1465 rpm 4 - - Foot Mount 38k6 80mm 373mm
RS Stock No. 187-9872
BrandRS PRO
€326.28
Each
units
2.2 kW IE3 50Hz - 400 V 3 1440 rpm 4 - - Flange Mount 28j6 60mm 249.5 Dia.mm
RS Stock No. 187-9846
BrandRS PRO
€117.82
Each
units
0.25 kW IE1 50Hz - 400 V 3 1375 rpm 4 - - Foot Mount 14j6 30mm 214.5mm
RS Stock No. 187-9899
BrandRS PRO
€1,191.63
Each
units
15 kW IE3 50Hz - 400 V 3 1470 rpm 4 - - Flange Mount 42k6 110mm 349.5 Dia.mm
RS Stock No. 187-9894
BrandRS PRO
€873.62
Each
units
11 kW IE3 50Hz - 400 V 3 1470 rpm 4 - - Foot Mount 42k6 110mm 553.5mm
RS Stock No. 187-9882
BrandRS PRO
€487.52
Each
units
5.5 kW IE3 50Hz - 400 V 3 2945 rpm 2 - - Foot Mount 38k6 80mm 373mm
RS Stock No. 187-9859
BrandRS PRO
€187.01
Each
units
0.75 kW IE3 50Hz - 400 V 3 1410 rpm 4 - - Flange Mount 19j6 40mm 199.5 Dia.mm
RS Stock No. 187-9870
BrandRS PRO
€295.38
Each
units
2.2 kW IE3 50Hz - 400 V 3 2895 rpm 2 - - Flange Mount 24j6 50mm 199.5 Dia.mm
RS Stock No. 187-9856
BrandRS PRO
€155.03
Each
units
0.75 kW IE3 50Hz - 400 V 3 2895 rpm 2 - - Foot Mount 19j6 40mm 237.5mm
RS Stock No. 187-9877
BrandRS PRO
€387.07
Each
units
4 kW IE3 50Hz - 400 V 3 2920 rpm 2 - - Foot Mount 28j6 60mm 328.5mm
RS Stock No. 187-9874
BrandRS PRO
€355.55
Each
units
3 kW IE3 50Hz - 400 V 3 2900 rpm 2 - - Flange Mount 28j6 60mm 249.5 Dia.mm