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. 510-1209
Mfr. Part No.EM174
MYR806.93
Each
units
- - 12 → 32 V dc 8 A 40 V - - - - - - -
RS Stock No. 510-1215
Mfr. Part No.EM185
MYR572.90
Each
units
- - 12 → 24 V dc 3 A 35 V - - - - - - -
RS Stock No. 773-6826
Mfr. Part No.EM-175
MYR723.69
Each
units
- - 12 → 32 V dc 10 A 12 V dc, 24 V dc - - - - - - -
RS Stock No. 183-7344
Mfr. Part No.EM-318
MYR458.19
Each
units
- - 12 → 35 V dc 3 A 35 V dc - - - - - - -
RS Stock No. 183-7347
Mfr. Part No.EM-A3-10K
MYR144.31
Each
units
- - 30 V dc - 30 V dc - - - - - - -
RS Stock No. 183-7345
Mfr. Part No.EM-314
MYR794.79
Each
units
- - 12 → 35 V dc 6 A 35 V dc - - - - - - -
RS Stock No. 183-7333
Mfr. Part No.EM-282C
MYR1,677.76
Each
units
- - 12 → 42 V dc 100 A 42 V dc - - - - - - -
RS Stock No. 510-1170
Mfr. Part No.EM-180
MYR1,199.18
Each
units
- - 12 → 32 V dc 15 A 40 V - - - - - - -
RS Stock No. 773-6835
Mfr. Part No.EM-176
MYR816.82
Each
units
- - 12 → 35 V dc 10 A 12 V dc, 24 V dc - - - - - - -
RS Stock No. 183-7334
Mfr. Part No.EM-324-SAF
MYR360.34
Each
units
- - 10 → 35 V 4 A 35 V - - - - - - -
RS Stock No. 183-7340
Mfr. Part No.EM-291A
MYR619.33
Each
units
- - 11 → 35 V dc 4 A 35 V dc - - - - - - -
RS Stock No. 183-7335
Mfr. Part No.EM-324-SPF
MYR360.34
Each
units
- - 10 → 35 V 4 A 35 V - - - - - - -
RS Stock No. 183-7329
Mfr. Part No.EM-324C
MYR360.34
Each
units
- - 10 → 35 V 4 A 35 V - - - - - - -
RS Stock No. 183-7348
Mfr. Part No.EM-KP72-32
MYR90.05
Each
units
- - - - - - - - - - - -
RS Stock No. 183-7341
Mfr. Part No.EM-346
MYR923.28
Each
units
- - 11 → 35 V dc 10 A 35 V dc - - - - - - -
RS Stock No. 183-7338
Mfr. Part No.EM-241-SPF
MYR585.53
Each
units
- - 10 → 35 V 15 A 35 V - - - - - - -
RS Stock No. 773-6841
Mfr. Part No.EM-241A
MYR616.60
Each
units
- - 10 → 35 V dc 15 A 12 V dc, 24 V dc - - - - - - -
RS Stock No. 183-7349
Mfr. Part No.EM-KP72-65
MYR105.98
Each
units
- - - - - - - - - - - -
RS Stock No. 773-6832
Mfr. Part No.EM-206
MYR922.72
Each
units
- - 12 → 36 V dc 10 A 12 V dc, 24 V dc - - - - - - -
RS Stock No. 183-7350
Mfr. Part No.EM-KP72-87
MYR117.75
Each
units
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