Motor Controllers

Motor controllers are devices (or groups of devices) that are used to control the start, stop and speed of an electric motor. They can either be manually operated or programmed to work automatically, with possible functions including selecting the rotational direction and speed, regulating or limiting torque, and stopping or starting the motor. A motor controller helps to protect the motor itself from overloading and/or electrical faults. At RS Components, we have a curated range of motor controllers from industry-leading brands such as Electromen OY, Schneider Electric, Siemens, Sprint Electric, and many more.

What types of motor controllers are there?

Motor controllers can be classified by the type of motor is designed to drive, e.g. servo, magnet, series, separately excited, direct current (DC) and alternating current (AC). Motor starters are specialized switching units used with larger motors, and connects the motor terminals directly to the power supply.

One of the widest categories of motor controllers is that of servo controllers, which use position feedback to close the control loop, which provide precise control over a closed loop. Stepper controllers are also popular, used for accurate positioning, rotation angles and speed control in stepper motors through.

What are motor controllers used for?

Motor controllers are used to achieve more accurate control over motor speed, stops and starts than can be achieved with a manual control or mechanical switch. Motor controllers are also capable of controlling motors that exceed the current limitations of a mechanical switch.


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Description Price Phase Control Function Supply Voltage Current Rating Voltage Rating Power Rating Overall Length Overall Width Overall Depth Minimum Operating Temperature Maximum Operating Temperature IP Rating
RS Stock No. 124-1299
Mfr. Part No.R7D-BP04H
BrandOmron
TWD26,947.00
Each
units
1 - - 7.8 A 200 V ac 400 W 40mm 110.1mm 140mm 0°C +55°C -
New
RS Stock No. 210-9630
Mfr. Part No.3RW5556-2HA06
BrandSiemens
TWD561,095.00
Each
units
3 - 200-690 V 1.1 kA 690 V 1.2 MW - - - - - -
RS Stock No. 181-1425
Mfr. Part No.XPSVNE1142HSP
TWD20,244.00
Each
units
- - 24 V ac/dc 6 A 24 V ac/dc - 22.2mm 114mm 99mm -22°C +55°C -
New
RS Stock No. 211-6863
Mfr. Part No.3RW5245-2TC04
BrandSiemens
TWD136,266.00
Each
units
3 - 200 - 480 V 315 A 480 V 160 kW - - - - - -
New
RS Stock No. 215-3393
Mfr. Part No.R88A-CRGB015CR-E
BrandOmron
TWD8,568.00
Each
units
1 - 230 V - 200 → 400 V 0.75 kW - - - - - -
New
RS Stock No. 215-8972
Mfr. Part No.R88D-GN10H-ML2
BrandOmron
TWD50,905.00
Each
units
1 - - - 200 V 0.1 kW - - - - - -
RS Stock No. 820-9589
Mfr. Part No.1220LV
TWD8,041.00
Each
units
1 - 30 V ac, 60 V ac 12.2 A 24 V dc (@ 30 V ac), 90 V dc (@ 110 V ac) - - - - - - -
RS Stock No. 111-0840
Mfr. Part No.VW3M5D1AR15
TWD993.00
Each
units
- - - - - - - - - - - -
New
RS Stock No. 210-9449
Mfr. Part No.3RW4024-1TB04
BrandSiemens
TWD14,669.00
Each
units
3 - 200- 480 V 12.5 A 400 V 5.5 kW - - - - - -
New
RS Stock No. 210-9495
Mfr. Part No.3RW5226-3AC14
BrandSiemens
TWD49,296.00
Each
units
3 - 200-480 V 77 A 480 V 75 kW - - - - - -
RS Stock No. 700-9082
Mfr. Part No.LC3F212-5A5A
BrandSMC
TWD4,150.00
Each
units
1 - 24 V dc 2.3 A 24 V dc - - - - - - -
RS Stock No. 111-0857
Mfr. Part No.VW3M5D6FR50
TWD9,595.00
Each
units
- - - - - - 5 m - - - - -
New
RS Stock No. 210-9559
Mfr. Part No.3RW5515-3HA14
BrandSiemens
TWD43,685.00
Each
units
3 - 200-480 V 25 A 480 V 18.5 kW - - - - - -
RS Stock No. 136-2813
Mfr. Part No.R88D1SN08HECT
BrandOmron
TWD37,976.00
Each
units
1, 3 - 200 240 V 4 A, 7.3 A 240 V ac 750 W 215mm 65mm 180mm 0°C +55°C -
New
RS Stock No. 213-1147
Mfr. Part No.3RW4026-2BB04
BrandSiemens
TWD13,106.00
Each
units
3 - 200- 480 V 25 A 400 V 11 kW - - - - - -
RS Stock No. 181-1418
Mfr. Part No.XPSAXE5120P
TWD7,327.00
Each
units
- - 24 V dc 6 A 24 V dc - 45mm 114mm 99mm -22°C +55°C -
RS Stock No. 796-8616
Mfr. Part No.VW3M9102
TWD6,172.00
Each
units
- Current Controller, Homing, Manual, Positioning, Speed Controller - - - - - - - 0°C +50°C -
New
RS Stock No. 215-3423
Mfr. Part No.R88D-KN15F-ML2
BrandOmron
TWD65,591.00
Each
units
3 - 400 V ac - 150 V 1.5 kW - - - - - -
RS Stock No. 820-9564
Mfr. Part No.680i
TWD8,785.00
Each
units
1 - 110 V ac, 230 V ac 6.8 A 90 V dc (@ 110 V ac), 180 V dc (@ 230 V ac) - - - - - - -
RS Stock No. 111-0836
Mfr. Part No.VW3M8D1AR30
TWD2,478.00
Each
units
- - - - - - 3 m - - - - -