Rotor Brake (passive) 
Description SFR

Main Features 

  • Monospring caliper brake, ready to operate, with spring pack set to nominal force
  • Sintered linings
  • Limit switch release control
  • Easy, manual pad wear compensation
  • Horizontal compensation +- 5 mm
  • Support for direct gear box mounting

The high capacity of these brakes makes them particularly suitable as rotor brakes in wind turbines 


  • Limit switch wear control
  • Hydraulic power units
  • Brake discs and couplings
  • Seals for special fluids
  • Sensors for remote monitoring and diagnostic, like e.g. spring force-, temperature-, wear- and release gap monitoring
  • CMB contact force measurement
  • Automatic wear compensator
  • Temperature sensor

Operating Restrictions 
Brakes of this range are tested both mechanically and hydraulically and are set to nominal force. This setting can only be changed by the manufacturer. Operating conditions other than described in this brochure require the manufacturer´s approval and may influence the function of the caliper and its components