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

    : 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

    : 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

    : 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

    : 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

    : 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. 125-0286
Mfr. Part No.82334759
BrandCrouzet
HK$963.25
Each
units
3.5 W - - - 24 → 240 V ac - 720 rpm - Ovoid 100:1 - 4mm - 44.85mm
New
RS Stock No. 205-2858
Mfr. Part No.TP80B4 0,75 230/400-50 B14 MV
BrandMotovario
HK$2,152.14
Each
units
0.75 kW IE3 50Hz - 230/400 V 3 - 4P - - B14 - - -
RS Stock No. 204-4872
Mfr. Part No.82524005
BrandCrouzet
HK$974.90
Each
units
3.5 W - - Synchronous Geared 230 → 240 V ac - 8.33 rpm - - - - 4mm 10mm 56mm
RS Stock No. 733-2058
Mfr. Part No.3GAA061 312-ASC
BrandABB
HK$1,791.78
Each
units
0.25 kW IE2 - Induction 415 V ac 3 2810 rpm @ 380 V 2 - - Foot - - -
RS Stock No. 103-3956
Mfr. Part No.9IDGG-40G-T
BrandDKM
HK$881.52
Each
units
40 W - - Induction 220 V 3 1300 (50 Hz) rpm, 1600 (60 Hz) rpm 4 - - - 12mm 29mm 90mm
RS Stock No. 478-4869
Mfr. Part No.MC 244PT 10 B3
BrandMini Motor
HK$3,996.11
Each
units
49 W - - Induction Geared 230 V ac, 400 V ac 3 280 rpm - Worm - - - - 99mm
RS Stock No. 877-6244
Mfr. Part No.AC1115
HK$218.06
Each
units
26 W - 50Hz Shaded Pole 230 V - 2850 rpm - - - Surface Mount 6mm 24.75mm 114.5mm
RS Stock No. 103-3954
Mfr. Part No.9IDGG-90FP-T
BrandDKM
HK$1,080.99
Each
units
90 W - - Induction 220 V 3 1300 (50 Hz) rpm, 1600 (60 Hz) rpm 4 - - - 15mm 31mm 90mm
RS Stock No. 125-0268
Mfr. Part No.82304034
BrandCrouzet
HK$1,743.80
Each
units
0.2 W - - Geared 24 → 240 V - 600 rpm - - - - - - 47 (Dia.)mm
RS Stock No. 204-4721
Mfr. Part No.80 667 003
BrandCrouzet
HK$5,041.00
Each
units
32 W - - Synchronous Geared 230 V ac - 62.4 rpm - Spur - - 8mm 16.4mm 65mm
RS Stock No. 103-3962
Mfr. Part No.9IDGE-40G
BrandDKM
HK$758.52
Each
units
40 W - 50Hz Induction 220 V, 240 V 1 1300 rpm 4 - - - 12mm 29mm 90mm
RS Stock No. 775-4631
Mfr. Part No.1LE1001-1BA23-4FA4
BrandSiemens
HK$6,920.70
Each
units
4 kW IE2 - Induction 400 V, 690 V 3 2950 rpm 2 - - Flange Mount 28mm 60mm 226mm
RS Stock No. 181-2359
Mfr. Part No.82334768
BrandCrouzet
HK$933.91
Each
units
3 W - - Synchronous Geared 230 V ac - 5 rpm - - - - 4mm 10mm 55.5mm
RS Stock No. 187-9892
BrandRS PRO
HK$7,297.35
Each
units
11 kW IE3 50Hz - 400 V 3 2945 rpm 2 - - Foot Mount 42k6 110mm 553.5mm
New
RS Stock No. 205-2860
Mfr. Part No.TP80B4 0,75 230/400-50 B5 MV
BrandMotovario
HK$2,152.14
Each
units
0.75 kW IE3 50Hz - 230/400 V 3 - 4P - - B5 - - -
RS Stock No. 775-4599
Mfr. Part No.1LE1001-1CB03-4AA4
BrandSiemens
HK$7,499.14
Each
units
5.5 kW IE2 - Induction 400 V, 690 V 3 1465 rpm 4 - - Foot 38mm 80mm 256mm
RS Stock No. 187-9845
BrandRS PRO
HK$957.87
Each
units
0.25 kW IE1 50Hz - 400 V 3 2765 rpm 2 - - Foot Mount 11j6 23mm 188mm
New
RS Stock No. 205-2867
Mfr. Part No.TP100LA4 2,2 230/400-50 B3 MV
BrandMotovario
HK$3,986.99
Each
units
2.2 kW IE3 50Hz - 230/400 V 3 - 4P - - B3 - - -
RS Stock No. 478-3614
Mfr. Part No.BC2000/T 80 B3
BrandMini Motor
HK$3,136.73
Each
units
20 W - - Geared 230 V ac, 400 V ac 3 35 rpm - Worm - - 9mm - 77.5mm
RS Stock No. 172-0130
Mfr. Part No.3GAA081613-BSJ
BrandABB
HK$3,565.83
Each
units
1.1 kW IE3 50Hz Squirrel Cage Motor 230 V, 400 V, 415 V 3 2871 rpm, 2881 rpm 2 - - Flange Mount - - -
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