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What is a General Purpose Variable Frequency Drive?

Whatever your application, we have the perfect solution across all industries

General Purpose Variable Frequency Drives

We’re committed to providing the very best variable speed drives for every application, and with our general purpose VFDs we make no exception. We designed each general purpose variable speed drive in our range to be suitable for purpose, backed by in depth customer research. This means we offer the most basic AC motor control found on simple conveyors, as well as solving the world’s most complex motor control problems.Commander general purpose AC drives from Control Techniques

What is a General Purpose Variable Frequency Drive?

General purpose VFDs make it possible to control the speed of a motor by varying the frequency applied to the motor.

Variable Frequency Drives with simple setup

Our general purpose VSDs (variable speed drives) don’t require a specialist to install them. In fact, we designed them to be quickly installed with little or no training. Parameter settings are clearly labelled on the drive, and laid out on the keypad in a way that makes setup easy.

For engineers working onsite, our webpage www.drive-setup.com contains setup videos and fault diagnostics, to get you up and running in minutes. If you batch build, VSD setup takes seconds by using a backup adaptor (and 24 V).

AC drive performance you can rely on

If we’re talking world class motor control, then you’ll know that’s what we’re famous for. In simpler applications we understand you just need the right tool for the job. But still, it’s good to know that our general purpose AC drives incorporate the same technology as our flagship high performance Unidrive M700 series. That means you can say goodbye to site returns; our drives are made to last.

General Purpose VFDs designed for all your automation needs

From the moment they are switched on, our drives are ready to go. Simple to set up. Accurate. Flexible to your needs.

We're here when you need us. Made with distributors in mind. Less stock required.

General Purpose Variable Frequency Drives: The range

NEW! Commander C200 & C300 General Purpose Drives

0.33 HP to 200 HP
0.25 kW to 132 kW
100 V | 200 V | 400 V

The new Commander C series is built on 6 generations of knowledge to meet advanced requirements in a wide range of applications and provide optimum user experience. The integrated PLC can execute a substantial range of sequencing and logic programs.

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Unidrive M400 - Advanced General Purpose AC Drive

0.33 HP to 200 HP
0.25 kW to 132 kW
100 V | 200 V | 400 V | 575 V | 690 V


Unidrive M400 minimizes downtime with an intuitive LCD display for rapid set-up and clear diagnostic help. The Unidrive M400 has a higher I/O count to maximize the integrated PLC functionality


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