RPM III Motors

RPM III DC Motors feature a laminated frame design which provides for more power, reliability and serviceability in a smaller package. The field proven laminated frame improves commutation and heat dissipation, and requires less mounting space than conventional designs. Choose from our complete line of enclosures including: Drip Proof Guarded (DPG), Drip Proof Guarded Force Ventilated (DPG-FV), Totally Enclosed Fan Cooled (TEFC), Totally Enclosed Non Ventilated (TENV), Totally Enclosed Explosion Proof (TEXP), and Totally Enclosed Air Over (TEAO). A variety of ratings, enclosures and voltages are stocked through 500HP and custom designs are available with a wide variety of modifications to meet your specific application requirements.


  • Power dense laminated square frame design
  • Class F insulation as standard, Class H available
  • 1.5 – 500 hp
  • Tachometer adaptable
  • PLS for longer bearing and motor life 
  • Modifications available for custom motor design

Common applications

  • Process lines (steel, paper, converting)
  • Extruders
  • Conveyors
  • Test stands
  • Winders
  • Printing
  • Crane and hoist
  • Web processing
  • Machine tools

Common industries

  • Metals
  • Paper
  • Extrusion
  • Machine Tool
  • Crane and Hoist
  • Plastics
  • Rubber

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