Commander C

Available stock made in EUR

0.25 kW – 132 kW (0.33 hp to 200hp)
100 V | 200 V | 400 V

Commander variable speed drives have established the standard of excellence in motor control since 1983 when Control Techniques launched the first world commercial vector drive. Since then, Commander has undergone several successful reiterations, each time bringing new technology and innovations to the world of automation.

The new Commander C series has been designed to be a simple and compact AC motor speed controller that meets advanced requirements in a wide range of applications and provides optimum user experience.

Commander C Highlights

✓ Set just 4 parameters to get your drive started
✓ Plug-in options for advanced control
✓ Dual Safe Torque Off (STO)
✓ Equipped with the latest energy saving features
✓ Up to 180% overload for high torque applications
✓ On board PLC
✓ Straightforward installation and commissioning
✓ Easy motor pairing and performance control
✓ Robust and reliable design


Simple set up. 3 steps to control

Setting up a drive can require training, specialist knowledge and time.

Not with Commander C: it will get you up and running, from out of the box to controlling your motor, in minutes.

Three simple steps will set up your drive for most fan, pump, compressor, conveyor and general purpose applications!

Try our drive simulator and see just how easy it is to set-up the Commander C!

Easy to install general purpose commander drive for motor control


  • Specifications
    Control Mode
    Open loop vector or V / Hz induction motor control  ✓  
    Open loop Rotor Flux Control for induction motors (RFC-A)  ✓ 
    Ambient Operating Temperature Size 1 – 4: -20°C to 40°C (-4°F to 104°F) @ 3 kHz switching freq. | Operation to 60°C (140°F) with de-rating
    Size 5 – 9: -20°C to 40°C (-4°F to 104°F) @ 3 kHz switching freq. | Operation to 55°C (131°F) with de-rating
    Cooling Method Forced convection
    Humidity 95 % non-condensing at 40 °C (104 °F)

    Storage Temperature

    Size 1 – 4: -40°C to 60°C (-40°F to 140°F) — 24 months Max.
    Size 5 – 9: -40°C to 55°C (-40°F to 131°F) — 24 months Max.
    Altitude De-rate the continuous output current by 1% for every 100 m (328 ft) above 1000 m (3,280 ft) to a maximum of 3000 m (9,840 ft)
    Vibration Tested in accordance with IEC 60068-2-64 and IEC 60068-2-6
    Mechanical Shock Tested in accordance with IEC 60068-2-27 and IEC 60068-2-29
    Enclosure Rating IP20, NEMA 1 conduit kits available
    Electromagnetic Capability IEC/ EN 61800-3 Immunity and Emissions
    EN 61000-6-2: Immunity for industrial environments
    EN 61000-6-4: Emissions for industrial environmentsM/br> EN 61000-3-2: Harmonic current emissions
    An EMC data sheet is available on request
    RoHS Complies with the Restriction of Hazardous Substances Directive (2011/65/EU)
    AC Supply Requirements
    Voltage 100 V models: 100 to 120 Vac ±10%
    200 V models: 200 to 240 Vac ±10%
    400 V models: 380 to 480 Vac ±10%
    Phase 1Ø and 3Ø (Model dependent)
    Maximum Supply Imbalance 2% negative phase sequence, 3% voltage imbalance between phases
    Input Frequency  45 to 66 Hz
    Input Displacement Power Factor 0.97
    Switching Frequency Size 1 – 4: 0.667, 1, 2, 3, 4, 6, 8 12 & 16 kHz
    Size 5 – 9: 2, 3, 4, 6, 8 12 & 16 kHz
    Output Frequency Range  0 to 550 Hz
    Frequency Accuracy ±0.02% of full scale
    Frequency Resolution  0.01 Hz
    Analog Input Resolution  Voltage mode: 11 bits (unipolar) Current mode: 11 bits
    Braking  Dynamic braking transistor included, requires external resistor
    DC Bus Undervoltage Trip 100 V models: 175 Vdc
    200 V models: 175 Vdc
    400 V models: 330 Vdc
    DC Bus Overvoltage Trip  Frame sizes 1 – 4:
    100 V models: 510 Vdc
    200 V models: 510 Vdc
    400V models: 870 Vdc
    Frame size 5 – 9:
    200V models: 415 Vdc
    400 V models: 830 Vdc
    Drive Overload Trip Programmable: Default settings: 180% for 3s, 150% for 60s
    Instantaneous Overcurrent Trip  220% of rated motor current
    Phase Loss Trip  DC bus ripple threshold exceeded
    Over-temperature Trip  Drive heatsink temperature exceeds 95°C (203°F)
    Short Circuit Trip  Protects against output phase-to-phase fault
    Ground Fault Trip  Protects against output phase-to-ground fault
    Motor Thermal Trip  Electronically protects the motor from overheating due to loading conditions
    Approval & Listings
    UL, cUL UL file NMMS/8: E171230
    CE  CE approval
    EU  These products comply with the Restriction of Hazardous Substances Directive (2011/65/EU), the Low Voltage Directive (2014/35/EU) and the Electromagnetic Compatibility Directive, (2014/30/EU).
    RCM  RCM Registered supplier No. 12003815281
    ISO  Manufacturing facilities comply with ISO 9001:2015 and ISO 14001

    C300 models only: The Safe Torque Off (STO) function may be used as a safety component of a machine.

    Type examination certificates by TÜV Rheinland:
    Frame sizes 1 – 4: No. 01/205/5383.03/18
    Frame sizes 5 – 9: No. 01/205/5387.02/18

    Functional safety parameters:
    EN ISO 13849-1 – Cat 4, PLe
    EN61800-5-2/EN62061/IEC 61508 – SIL 3

    UL functional safety approval: FSPC E171230

  • Applications
    Whatever your application, Commander C is the perfect solution across industry

    The Commander series are simple and compact AC motor speed controllers that meet advanced requirements in a wide range of applications. Their small footprint – among the smallest in their class – makes them ideal for machine builders and OEMs, where size really matters.


    Motor control of pumps ventilators and compressors with general purpose variable speed drives
    Pumping, Ventilating & Compressing
    • Improved energy efficiency during periods of low demand
    • On board PLC & PID functionalities make advanced control easy and efficient without the need of an external controller
    • Skip Frequencies allow users to easily avoid equipment resonant frequencies, reducing high vibration levels
    • Supply Loss Ride Through will keep the drive up and running through most power outages
    General purpose drives for accurate remote speed control of conveyor belts
    • Accurate remote speed control with fieldbus communications
    • S-ramp acceleration / deceleration profiling provides smooth speed transitions minimizing machine jerk
    • Overload capacity up to 180% to add stability
    • Avoids early wear and tear of the equipment
    Control techniques general purpose drives for lifting hoisting and winching
    Lifting, Hoisting & Winching
    • Adjustable mechanical brake sequencing with torque proving function – no need for an external controller
    • Embedded PLC functionality can manage local I/O reducing the need for an external controller
    Access control variable speed drives for motion control
    Access Control
    • Smooth motion with enhanced open loop control
    • Small physical size allows the drive to be mounted easily in smaller control cabinets
    • Highly reliable in harsh environments, providing long lasting service
    General purpose drives for stable motor control for processing mixers kneaders agitators extruders
    Processing (Mixers, Kneaders, Crushers, Agitators, Centrifuges, Extruders)
    • Ease of integration to external PLC or other management systems through powerful networking options
    • Conformal coating for enhanced environmental protection
    • Overload capacity up to 180%
    • Highly stable motor control

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