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FU-DSM Modular Balls Torque Limiter

FU-DSM Modular Balls Torque Limiter is a robust torque limiter with modular torque adjustment. Free rotation after overload permits high rotational speeds for heavy industries with also high torque settings and large shaft diameters can be accommodated. Free rotation after disengagement without residual torque. Re-engagement of the unit is quick and easy.

Max torque: 9000 Nm – Max bore ∅140mm.

  • Made in steel fully turned, with high mechanical strength.
  • Free rotation afer disengagement without residual torque.
  • Reliable and maintenance free.
  • Protected from external agents.
  • Suitable for high rotation speeds and high inertias.
  • Simple system of calibration and re-engagement.
  • Compact and robust design.




  • Extruders and mills.
  • Mining industry and transporters.
  • Heavy industry.
  • Earthmoving machines and shredding/crushing machines.


  • Product protection in case of overload.
  • Protection of operating units of machines in case of a collision.
  • Protection of the drive from external overloads.
  • Protecting conveyor belt stoppages


  • Overload signal ring (…/SI).
  • Possibility of fitting with finished bore and keyway or locking assembly.
  • Custom solutions for specific applications.
  • Possibility of surface anticorrosive treatments for specific requirements

Electromechanical switch EM

  • Die-cast aluminium box.
  • Protection level IP57 DIN 40050.
  • Possibility of 1 contact (EM1) or 2 contacts (EM2) available.
  • Adjustment of the lever end position possible.
  • Operation temperature range from -10°C to +85°C.
  • Three different options of voltage input: 1,5A – 250 VCA; 5A-24 VCC; 0,2A-250 VdC.
  • Initial stroke 0,7 mm, Extra stroke: 4 ÷ 8 mm depending on setting (possible in a range of 6 mm).

Vista frontal del microinterruptor color blanco

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