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. 111-0836
Mfr. Part No.VW3M8D1AR30
TWD2,478.00
Each
units
- - - - - - 3 m - - - - -
RS Stock No. 796-8622
Mfr. Part No.VW3M9105
TWD5,541.00
Each
units
- Current Controller, Homing, Manual, Positioning, Speed Controller - - - - - - - 0°C +50°C -
RS Stock No. 183-7348
Mfr. Part No.EM-KP72-32
TWD578.00
Each
units
- - - - - - - - - - - -
New
RS Stock No. 210-9572
Mfr. Part No.3RW5524-3HA06
BrandSiemens
TWD68,133.00
Each
units
3 - 200-690 V 47 A 690 V 45 kW - - - - - -
New
RS Stock No. 210-9628
Mfr. Part No.3RW5554-6HA16
BrandSiemens
TWD480,939.00
Each
units
3 - 200-690 V 840 A 690 V 900 kW - - - - - -
RS Stock No. 124-1298
Mfr. Part No.R7D-BP02HH
BrandOmron
TWD26,947.00
Each
units
1 - - 4.9 A 200 V ac 200 W 40mm 110.1mm 140mm 0°C +55°C -
RS Stock No. 183-7340
Mfr. Part No.EM-291A
TWD3,978.00
Each
units
- - 11 → 35 V dc 4 A 35 V dc - - - - - - -
RS Stock No. 240-6731
Mfr. Part No.514C-32-00-00-00
BrandParker
TWD38,898.00
Each
units
1 - 110 → 500 V 32 A 360 V dc - - - - - - -
New
RS Stock No. 211-6892
Mfr. Part No.3RW5545-2HA04
BrandSiemens
TWD209,208.00
Each
units
3 - 200 - 480 V 315 A 480 V 160 kW - - - - - -
New
RS Stock No. 210-9468
Mfr. Part No.3RW5216-1TC05
BrandSiemens
TWD35,269.00
Each
units
3 - 200-600 V 32 A 600 V 30 kW - - - - - -
New
RS Stock No. 210-9522
Mfr. Part No.3RW5243-2TC15
BrandSiemens
TWD109,414.00
Each
units
3 - 200-600 V 210 A 600 V 250 kW - - - - - -
New
RS Stock No. 210-9463
Mfr. Part No.3RW5215-3TC04
BrandSiemens
TWD28,456.00
Each
units
3 - 200-480 V 25 A 480 V 18.5 kW - - - - - -
New
RS Stock No. 211-6826
Mfr. Part No.3RW5214-1TC05
BrandSiemens
TWD28,456.00
Each
units
3 - 200 - 600 V 18 A 600 V 11 kW - - - - - -
RS Stock No. 111-0850
Mfr. Part No.VW3M5D4AR30
TWD6,847.00
Each
units
- - - - - - - - - - - -
RS Stock No. 111-0814
Mfr. Part No.LXM28AU20M3X
TWD33,275.00
Each
units
3 Encoder Feedback, Motion 200 → 255 V 8.7 A 220 V 2 kW 170mm 62mm 184mm 0°C +55°C -
RS Stock No. 183-7329
Mfr. Part No.EM-324C
TWD2,315.00
Each
units
- - 10 → 35 V 4 A 35 V - - - - - - -
New
RS Stock No. 211-6881
Mfr. Part No.3RW5517-3HA14
BrandSiemens
TWD54,106.00
Each
units
3 - 200 - 480 V 38 A 480 V 18.5 kW - - - - - -
New
RS Stock No. 211-6852
Mfr. Part No.3RW5236-2TC05
BrandSiemens
TWD93,783.00
Each
units
3 - 200 - 600 V 171 A 600 V 110 kW - - - - - -
New
RS Stock No. 211-6884
Mfr. Part No.3RW5524-3HA16
BrandSiemens
TWD68,133.00
Each
units
3 - 200 - 690 V 47 A 690 V 45 kW - - - - - -
RS Stock No. 796-8657
Mfr. Part No.VW3M9207
TWD8,154.00
Each
units
- Current Controller, Homing, Manual, Positioning, Speed Controller - - - - - - - 0°C +50°C -