We have limited inventory of our fractional horsepower units IN STOCK now!

  • 1/4HP to 1.5HP units available
  • Easy, drop-in replacements
  • Meets demanding overload requirements
  • Permanently lubricated bearings for minimal maintenance
  • Available in single phase or three phase
  • Compatible with existing machinery wiring and plant power
  • Flexible modifications after drive is in service

Drop-In Replacements Ready!

Fractional HP drives can be swapped easily

  • Eliminates downtime
  • No special training needed
  • Expedited shipping
  • Available in single phase or three phase

DSI/Dynamatic is here to help!

Contact us today to get expedited service!

Fractional Horsepower DriveFractional Horsepower Variable Speed Drive

What happens after mechanical failure?

Your variable speed drive is mechanical and it will fail.
Will you be prepared?

  • How will this failure affect your business?
  • What would it mean to your company financially?
  • How long could you be without your variable speed drive?
  • How long would it take to get a replacement?

DSI/Dynamatic can provide you with a spare unit to eliminate down time.

AS Drives provide the Best Performance in the 1-40 HP variable speed drive class

Smooth, responsive and highly reliable, the AS Drive with tachometer feedback lets you control speed within 1/2 percent for load changes from no load to full load. You also get a full 34 to 1 speed range and 250 percent of rated motor torque — great for starting and momentary overload conditions.

Dynamatic® AS/FAS Drives

Cutaway illustration reveals the simplicity of our Eddy Current design