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HoSM Series Hollow Shaft Torque Motors

HoSM series torque motors are new motor series for direct-drive applications. They are designed to deliver the high torque at low rated speeds with hollow shaft systems. HoSM series hollow shaft torque motors are the perfect solutions for your directly driven system designs which require high torque in small volumes.

Please contact MDS Motor Ltd. for your new custom motor specifications. We can optimize any of our torque motors for your needs. MDS Motor Ltd. is expert in providing optimized custom solutions for your applications.

HoSM series hollow shaft synchronous motor product family includes both low voltage (24/48V) and high voltage (310/560V) synchronous motors.

  • Benefits
  • Motor Size
  • Speed Range
  • Torque Range
  • Datasheet


  • Frames sizes from 135mm up to 280mm
  • 5 Different frame sizes with 3 different stacks
  • 24V/48V and 310V/560V voltage options
  • Maximum torque-per-weight ratios
  • Rated torques up to 102Nm
  • Peak torques up to 427Nm
  • Rated speeds up to 2000rpm
  • Rare-earth neodymium iron boron magnets
  • Isolated stator windings
  • AC windings with custom winding options

  • Benefits

  • Low back-EMF total harmonic distortion (THD)
  • Low cogging torque
  • Low torque ripple to have smooth torque output
  • Direct system integration

  • Have you any question or query


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