Pacific Scientific POWERPAC N & K series hybrid stepper motors deliver more power in a smaller package. These rugged, high-torque NEMA 34 and 42 (90 and 110 mm) PacSci motors are available from Kollmorgen with standard options and low-cost co-engineered modifications to provide an exact fit for your application.


  • 2-phase hybrid stepper motor in sizes NEMA 34 and NEMA 42
  • 4.65Nm to 40Nm holding torque
  • Shaft with straight keyway
  • Full step angle 1.8°
  • Optimised magnetic design for increased performance
  • Protection class IP 44 (optional IP 65, with terminal box)
  • Longlife steel bearing bore in front end housing
  • Optimised housing design for cooling
  • CE certification, UL certification (motor insulation class B, File E03510)
  • 8 flying leads for serial or parallel connectionul


  • encoder feedback options
  • several gearhead options
  • double shaft
  • several connection options
  • low inertia rotor

POWERPAC N & K Series Catalogue excerpt