Altra Industrial Motion Warner Electric SF Series Clutches

Altra Industrial Motion's Warner Electric SF Series Clutches feature two- or four-pole magnetic circuit designs to achieve high torque capacity.

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The Altra Industrial Motion Warner Electric brand SF Series Clutches are available in Flange or bearing mounted styles.

  • Design eliminates collector rings and brush-holder
  • Well suited for adverse environmental conditions 
  • Includes leaf spring armature designs for clean release
  • Economical, compact package
  • Easy install and replacement
  • Offers two- or four-pole magnetic circuit designs to achieve highest torque capacity for a given unit diameter
  • Available in diameters ranging from 8-12.5 in. (20.32-31.75 cm)
  • Torque ranges up to 1,000 ft.-lbs. (1,355.82 Nm) in stationary field configuration
  • Designed without friction material so friction face contamination is a non-issue
  • Provided as a “Basic” product design so manufacturers can customize units with own bearings and input/output hubs without incurring costs associated with high-volume design.


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