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. 918-1372
Mfr. Part No.LAC-RS
BrandActuonix
HK$710.86
Each
units
- - 5 → 24 V dc 4 A 3.3 V - - - - - - -
RS Stock No. 774-0503
Mfr. Part No.409510
BrandMaxon
HK$3,610.47
Each
units
1 - 10 → 50 V dc 15 A 50 V - - - - - - -
RS Stock No. 237-1461
Mfr. Part No.512C-04-00-00-00
BrandParker
HK$2,553.58
Each
units
1 - 110 → 115 V, 220 → 240 V, 380 → 415 V 4 A 360 V dc - - - - - - -
RS Stock No. 905-8780
BrandRS PRO
HK$1,687.08
Each
units
- - - 4.4 A 48 V - 92mm 85mm 23mm - - -
RS Stock No. 905-8786
BrandRS PRO
HK$982.32
Each
units
- - - 2.2 A 48 V - 78mm 68mm 21mm - - -
RS Stock No. 111-0838
Mfr. Part No.VW3M8D2AR30
HK$1,054.11
Each
units
- - - - - - 3 m - - - - -
RS Stock No. 793-4127
Mfr. Part No.G201X
BrandGeckodrive
HK$1,491.37
Each
units
- - - 7 A 80 V dc - 63.5mm 21mm 65.5mm - - -
RS Stock No. 238-9816
BrandRS PRO
HK$153.42
Each
units
- - 6 → 15 V dc 3 A 6 → 15 V dc - - - - - - -
RS Stock No. 877-7225
Mfr. Part No.ST5-Q-NN
HK$6,915.52
Each
units
- - - 0.1 → 5 A 24 → 48 V dc - 127mm 76mm 44.5mm - - -
RS Stock No. 773-6832
Mfr. Part No.EM-206
HK$1,751.78
Each
units
- - 12 → 36 V dc 10 A 12 V dc, 24 V dc - - - - - - -
RS Stock No. 445-0162
Mfr. Part No.250521
BrandMaxon
HK$2,936.39
Each
units
- - 12 → 30 V dc 2 A 60 V dc - - - - - - -
RS Stock No. 240-7920
Mfr. Part No.GSM 2
HK$781.03
Each
units
- - - 2 A - - 61mm 46mm 15mm - - -
RS Stock No. 921-1331
Mfr. Part No.SC2804S-3530
BrandFaulhaber
HK$2,558.58
Each
units
3 - 0 → 28 V dc 8 A 10 V - - - - - - -
RS Stock No. 197-8077
Mfr. Part No.512C-08-00-00-00
BrandParker
HK$3,296.99
Each
units
1 - 110 → 115 V, 220 → 240 V, 380 → 415 V 8 A 360 V dc - - - - - - -
RS Stock No. 773-6826
Mfr. Part No.EM-175
HK$1,373.88
Each
units
- - 12 → 32 V dc 10 A 12 V dc, 24 V dc - - - - - - -
RS Stock No. 418-4045
Mfr. Part No.230572
BrandMaxon
HK$2,637.73
Each
units
- - 10 → 50 V dc 10 A 47.5 V dc - - - - - - -
RS Stock No. 829-3553
Mfr. Part No.BS1D200P10
HK$1,708.72
Each
units
- - - 2 A 36 V dc - - - - - - -
RS Stock No. 111-0855
Mfr. Part No.VW3M5D6AR50
HK$2,823.50
Each
units
- - - - - - 5 m - - - - -
RS Stock No. 752-2009
BrandRS PRO
HK$274.00
Each
units
- - 6 → 15 V dc 3 A 6 → 15 V dc - - - - - - -
RS Stock No. 417-9728
BrandRS PRO
HK$155.04
Each
units
- - 6 → 15 V dc 3 A 6 → 15 V dc - - - - - - -