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.

WP7358 Specifications
Weight 25 kg (55 lb)
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 IP54