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. 733-2146
Mfr. Part No.3GAA071 312-BSE
BrandABB
SGD391.12
Each
units
0.55 kW IE2 - Induction 415 V ac 3 2790 rpm @ 380 V 2 - - Flange Mount - - -
RS Stock No. 124-7512
Mfr. Part No.3GAA 131 613-BDJ
BrandABB
SGD2,303.67
Each
units
7.5 kW IE3 50Hz Squirrel Cage Motor 400 V 3 2901 rpm 2 - - Flange Mount - - -
RS Stock No. 123-8195
Mfr. Part No.3GAA131613-BDJ
BrandABB
SGD2,269.42
Each
units
7.5 kW IE3 - Induction - 3 2898 rpm 2 - - Flange Mount 41mm 80mm 537mm
RS Stock No. 733-2102
Mfr. Part No.3GAA072 312-ASE
BrandABB
SGD330.30
Each
units
0.37 kW IE2 - Induction 415 V ac 3 1355 rpm @ 380 V 4 - - Foot - - -
RS Stock No. 733-2067
Mfr. Part No.3GAA071 311-ASE
BrandABB
SGD332.91
Each
units
0.37 kW IE2 - Induction 415 V ac 3 2800 rpm @ 380 V 2 - - Foot - - -
RS Stock No. 768-9552
Mfr. Part No.3GBP 131324-ADB
BrandABB
SGD2,129.83
Each
units
7.5 kW IE2 - Induction 400 V 3 2890 rpm 2 - - Foot 38mm 80mm 262mm
RS Stock No. 733-2058
Mfr. Part No.3GAA061 312-ASC
BrandABB
SGD313.40
Each
units
0.25 kW IE2 - Induction 415 V ac 3 2810 rpm @ 380 V 2 - - Foot - - -
RS Stock No. 733-2137
Mfr. Part No.3GAA071 311-BSE
BrandABB
SGD371.16
Each
units
0.37 kW IE2 - Induction 415 V ac 3 2800 rpm @ 380 V 2 - - Flange Mount - - -
RS Stock No. 733-2098
Mfr. Part No.3GAA062 312-ASC
BrandABB
SGD299.33
Each
units
0.18 kW IE2 - Induction 415 V ac 3 1380 rpm @ 380 V 4 - - Foot - - -
RS Stock No. 172-0116
Mfr. Part No.3GAA102530-ASJ
BrandABB
SGD894.05
Each
units
2.2 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 1455 rpm, 1458 rpm 4 - - Flange Mount - - -
RS Stock No. 172-0121
Mfr. Part No.3GAA082614-BSJ
BrandABB
SGD609.79
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. 733-2060
Mfr. Part No.3GAA071 312-ASE
BrandABB
SGD344.99
Each
units
0.55 kW IE2 - Induction 415 V ac 3 2790 rpm @ 380 V 2 - - Foot - - -
RS Stock No. 172-0130
Mfr. Part No.3GAA081613-BSJ
BrandABB
SGD642.33
Each
units
1.1 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 2871 rpm, 2881 rpm 2 - - Flange Mount - - -
RS Stock No. 172-0123
Mfr. Part No.3GAA092540-BSJ
BrandABB
SGD835.46
Each
units
1.5 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 1445 rpm, 1450 rpm 4 - - Flange Mount - - -
RS Stock No. 172-0134
Mfr. Part No.3GAA111320-BDJ
BrandABB
SGD1,330.24
Each
units
4 kW IE3 50Hz Squirrel Cage Motor 400 V, 415 V, 690 V 3 2873 rpm, 2883 rpm 2 - - Flange Mount - - -
RS Stock No. 768-9540
Mfr. Part No.3GBP 111322-ADB
BrandABB
SGD1,458.26
Each
units
4 kW IE2 - Induction 400 V 3 2895 rpm 2 - - Foot 28mm 60mm 230mm
RS Stock No. 172-0105
Mfr. Part No.3GAA081612-ASJ
BrandABB
SGD522.97
Each
units
0.75 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 2885 rpm, 2894 rpm 2 - - Flange Mount - - -
RS Stock No. 172-0126
Mfr. Part No.3GAA112320-BDJ
BrandABB
SGD1,384.49
Each
units
4 kW IE3 50Hz Squirrel Cage Motor 400 V, 415 V, 690 V 3 1451 rpm, 1455 rpm 4 - - Flange Mount - - -
RS Stock No. 172-0115
Mfr. Part No.3GAA092540-ASJ
BrandABB
SGD735.64
Each
units
1.5 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 1445 rpm, 1450 rpm 4 - - Foot Mount - - -
RS Stock No. 172-0120
Mfr. Part No.3GAA132310-ADJ
BrandABB
SGD1,950.85
Each
units
7.5 kW IE3 50Hz Squirrel Cage Motor 400 V, 415 V, 690 V 3 1462 rpm, 1464 rpm 4 - - Flange Mount - - -