4QD - DC Motor Control

We manufacture a range of electronic speed controllers for DC battery powered electric motors that are tough, reliable, and easy to use.
Our range covers 30 to 300 Amps, 12 to 60 Volts, and can be used in a wide variety of applications, including golf buggies, model locomotives, karts and other electric vehicles, boats, equipment handling, special effects, and industrial processes.
Our controllers are manufactured exclusively in the UK.

We are keen to support customers in developing their applications and would like to hear from you if you have unique applications or ideas for new products.

A few key pages are:

• How to choose a controller - if you need guidance on what features to consider when selecting
• Our range - if you know what your requirements are, and want to select an appropriate controller
• FAQs - lots of technical information included here
• Ordering and terms and conditions
• 4QD-TEC - Our sister site is a great resource for electronic circuits