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 Direct Current Motors in that they do not include brushes, 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.

Types
The RS Range of AC motors includes the following:

  • Induction Motors: Typically used in kitchen appliances, automobiles and industrial machinery, induction motors have an output rotation speed that is proportional to its applied frequency of alternate current.
  • 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.
  • Squirrel Cage Motors: A type of induction motor that uses cage rotor instead of a wound rotors, 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 compressors.
  • Shaded Pole Motor: 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.

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Description Price Power Rating Efficiency Class Frequency Rating AC Motor Type Supply Voltage Phase Output Speed Number of Poles Mounting Type Shaft Diameter Shaft Length Length Width Depth
RS Stock No. 103-3952
Mfr. Part No.9IDGL-60FP-T
BrandDKM
SGD0.348
Each
units
- - - Induction - - - 4 - 15mm 31mm 90mm 90mm 199.5mm
RS Stock No. 424-201
Mfr. Part No.M81X25GK4GGA
BrandPanasonic
SGD291.35
Each
units
25 W - - Induction 230 V ac 1 1250 rpm @ 230 V 4 - - - 85mm 80mm 80mm
RS Stock No. 172-0133
Mfr. Part No.3GAA101520-BSJ
BrandABB
SGD1,113.23
Each
units
3 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 2897 rpm, 2904 rpm 2 Flange Mount - - - - -
RS Stock No. 440-391
Mfr. Part No.82520001
BrandCrouzet
SGD123.88
Each
units
0.98 W - - Synchronous 230 → 240 V ac 2 250 rpm @ 240 V 24 - 2mm 7.4mm 25.6mm - -
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