WP7171 Wind Turbine Slip Ring

Direct Slip Ring Replacement

Moog now offers a direct replacement pitch control slip ring for the *Suzlon S88 wind turbine. Moog’s unit provides direct connection to the gearbox with wire terminal connections in both the stator and rotor junction boxes. Each unit is shipped with a heater already installed for cold weather installations. 

For more information about how Moog's wind turbine slip rings can fit your specific application, contact our slip ring experts.


  • No maintenance required
  • Direct bolt-in replacement
  • Rugged dual-row bearing
  • Heater for cold weather installations


  • Maintenance free for 100 million revolutions
  • Minimal wear debris generation
  • No lubrication required
  • Wide operating temperature
  • Lower life cycle cost
  • High reliability
  • No periodic inspections required

*The Suzlon Group (www.suzlon.com) is one of the world’s leading wind power company, turbine manufacturers.

WP7171 Specifications
Weight 60 pounds
Brush Material Silver alloy
Ring Material Silver plate
Brush Life > 100 million revolutions
Ring Life > 100 million revolutions
Lubrication No lubrication required
Cleaning / Maintenance Interval No maintenance required
Power Circuit Rating 65 amps at 600 volts
Communication Lines 100 Mbps
Operating Temperature -40°C to +80°C
Heating Element 13 watt, 240 volts standard
Sealing IP 54