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EXTRON ControlTECT Series 100 DC Drives

Easy Installation. Exceptional Performance.

EXTRON’s Series 100 DC Adjustable Speed Drive is designed to provide economical, reliable regulation and stability for permanent magnet or shunt wound D.C. motors from 1/8 to 3 HP.

They achieve an accuracy of +/- 2% over the entire speed range and perform well at reduced speed where other adjustable speed drives are often less efficient. Small in size these rugged controllers are suitable for a wide variety of industrial applications.

Select models have U.L. listing, which makes them perfect for the OEM application requiring a dependable, cost saving motor control. For simple regulation of DC motor speed, no other economical control is as easy to install or maintain. Max./min. speed, I.R. comp., and current limit adjustments are accessible by screwdriver from the front cover. Hookup is quick, with clearly marked terminal connections. All electronic circuitry is contained on one PC board.


  • 1/8 to 3 HP
  • Open construction
  • Adjustable Min, Max speed, IR comp, Current limit
  • Pilot relay for remote start/stop
  • Fully rated armature bridge
  • Line compensation
  • Terminal strip connections
  • Transient protected
  • 2% regulation
  • UL, UR

Custom OEM Solutions

If you have a possible application for a custom microprocessor based control, we can help you with a preliminary review as to feasibility and cost. Please call 217-786-8546 to discuss your project.