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
New
RS Stock No. 211-6905
Mfr. Part No.3RW5553-6HA16
BrandSiemens
MYR57,920.35
Each
units
3 - 200 - 690 V 720 A 690 V 710 kW - - - - - -
New
RS Stock No. 210-9534
Mfr. Part No.3RW5246-2AC05
BrandSiemens
MYR27,428.21
Each
units
3 - 200-600 V 370 A 600 V 450 kW - - - - - -
RS Stock No. 183-7331
Mfr. Part No.EM-241C 48V
MYR520.49
Each
units
- - 20 → 60 V 10 A 60 V - - - - - - -
RS Stock No. 820-9606
Mfr. Part No.370E
MYR1,135.29
Each
units
1 - 110 V ac, 240 V ac 3.7 A 180 V dc (@ 240 V ac), 90 V dc (@ 110 V ac) - - - - - - -
RS Stock No. 127-0242
Mfr. Part No.MBEG9A5BCV
BrandPanasonic
MYR1,091.72
Each
units
1, 3 PWM, Speed Controller 200 240 V 1.1 A, 500 mA 240 V ac 90 W 120mm 105mm 35mm 0°C +50°C -
New
RS Stock No. 211-6853
Mfr. Part No.3RW5236-2TC14
BrandSiemens
MYR11,110.18
Each
units
3 - 200 - 480 V 171 A 480 V 90 kW - - - - - -
New
RS Stock No. 211-6841
Mfr. Part No.3RW5227-3TC04
BrandSiemens
MYR7,108.41
Each
units
3 - 200 - 480 V 93 A 480 V 45 kW - - - - - -
RS Stock No. 722-6694
Mfr. Part No.343253
BrandMaxon
MYR1,300.60
Each
units
- - 10 → 50 V dc 5 A 800 mV - - - - - - -
New
RS Stock No. 210-9493
Mfr. Part No.3RW5226-3AC04
BrandSiemens
MYR7,632.74
Each
units
3 - 200-480 V 77 A 480 V 75 kW - - - - - -
RS Stock No. 181-1418
Mfr. Part No.XPSAXE5120P
MYR1,242.85
Each
units
- - 24 V dc 6 A 24 V dc - 45mm 114mm 99mm -22°C +55°C -
New
RS Stock No. 210-9544
Mfr. Part No.3RW5247-2TC04
BrandSiemens
MYR29,041.63
Each
units
3 - 200-480 V 470 A 480 V 400 kW - - - - - -
New
RS Stock No. 210-9566
Mfr. Part No.3RW5517-1HA15
BrandSiemens
MYR9,308.22
Each
units
3 - 200-600 V 38 A 600 V 37 kW - - - - - -
New
RS Stock No. 211-6964
Mfr. Part No.6SL3210-5FB10-4UA1
BrandSiemens
MYR2,110.04
Each
units
1 - 200 - 240 V 7.8 A 240 V 0.4 kW - - - - - -
New
RS Stock No. 210-9612
Mfr. Part No.3RW5546-2HA16
BrandSiemens
MYR42,197.24
Each
units
3 - 200-690 V 370 A 690 V 355 kW - - - - - -
New
RS Stock No. 210-9457
Mfr. Part No.3RW5214-1TC15
BrandSiemens
MYR4,405.89
Each
units
3 - 200-600 V 18 A 600 V 18.5 kW - - - - - -
New
RS Stock No. 211-6866
Mfr. Part No.3RW5246-2AC04
BrandSiemens
MYR20,956.64
Each
units
3 - 200 - 480 V 370 A 480 V 200 kW - - - - - -
New
RS Stock No. 210-9472
Mfr. Part No.3RW5216-3TC14
BrandSiemens
MYR4,902.33
Each
units
3 - 200-480 V 32 A 480 V 22 kW - - - - - -
RS Stock No. 183-7335
Mfr. Part No.EM-324-SPF
MYR299.25
Each
units
- - 10 → 35 V 4 A 35 V - - - - - - -
RS Stock No. 183-7349
Mfr. Part No.EM-KP72-65
MYR105.98
Each
units
- - - - - - - - - - - -
New
RS Stock No. 210-9526
Mfr. Part No.3RW5244-2TC14
BrandSiemens
MYR17,809.72
Each
units
3 - 200-480 V 250 A 480 V 250 kW - - - - - -