Pacific Scientific POWERMAX II® P and M Series Step Motors set the standard for value in NEMA 23 (60 mm) step motors. These PacSci products are now branded as Kollmorgen products and are available in half, single, and two stack configurations that provide holding torques from 0.45 to 1.79 Nm. M Series Motors feature the addition of SIGMAX® technology for higher torque and acceleration rates.

These NEMA 23 Hybrid Stepper motors all have an octagonal housing and standard versions all have an 8-pole connector.


  • 2-phase hybrid stepper motor in size NEMA 23
  • Smooth shaft Ø 6.35 mm
  • Full step angle 1.8°
  • Fully encapsulated stator
  • Protection class IP 23
  • Oversized bearings withstand high radial and axial loads
  • Optimised housing design for cooling
  • CE certification
  • Highest dynamics at shortest positioning times
  • 8 pin connector for serial or parallel connection


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

POWERMAX Catalogue excerpt