Model 159 Winch Slip Ring


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Voltage Maximum 7200 VAC
Current Maximum 60 A per pass, wire in parallel for higher current
Maximum 1000 A total current*
Contact Resistance 20 mΩ nominal
Insulation Resistance Minimum 500 MΩ @ 1 kVDC, dependent on wire type
Short Circuit Rating 2.2 kA / 1s, 5.6 kA peak
Rotation Speed Maximum 50 rpm continuous, contact factory for higher speeds
Protection Class Sealed to IP66, except for pigtail exits
Operating Temperature -20° C to + 55° C
Housing Stainless steel (304)
Length "L" Varies with number of electrical passes

*Maximum total current is dependent on duty cycle, ambient temperature and specific configuration. Consult factory to ensure confirmation is suitable for application.

The Model 159 winch slip ring is the solution for higher current applications. Designed to accommodate up to 1000 amps total current, the Model 159 can be customized to fit specific requirements. Incorporating both power and signal transfer into a single unit provides the needed versatility for marine, industrial, and defense applications


  • Stainless steel housing for rugged environments
  • Slip ring design provides sealing to IP66 requirements
  • Can accommodate a variety of wire and cable types
  • Power and signal transfer integrated into a single unit


  • Each unit is designed, manufactured, and tested in accordance with the highest quality standards
  • Maintenance free operation
  • Proven, reliable, long life performance
  • Integration with Fiber Optic Rotary Joints (FORJs) and Rotary Unions to provide a complete rotating interface solution

Typical Applications

  • Winches
  • Remotely Operated Vehicles (ROVs)
  • FPS swivel stacks