WP7214 Wind Turbine Slip Ring

Direct Slip Ring Replacement

Moog now offers a direct replacement pitch control slip ring for the *Clipper Liberty wind turbine. Moog’s unit provides a direct interface to the turbine gear box with mating connections for direct connection to the turbine wire harness.

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

*Clipper Liberty (www.clipperwind.com) is one of the largest wind turbine manufacturers in the United States

WP7214 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 85 amps at 600 volts
Communication Lines 100 Mbps
Operating Temperature -40°C to +80°C
Heating Element 13 watts, standard
Sealing IP 54