90 Amp 3 Wire Slip Ring Kit

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90 Amp 3 Wire Slip Ring Kit for Wind Turbine Generators

Kit Includes:

  • (12) inches of 3/8 inch double wall heavy duty heat-shrink tube with air tight mastic inner seal
  • (6) pieces 10-12 gauge butt connectors
  • (1) 3 wire custom 90 amp AC/DC slip ring

Get it all here. No need to find heat shrink here and butt connectors there with a wait for different shipments to come in and HOPE you receive the right stuff!  We've taken the guesswork out of it and put together a perfect kit for you!

For wind turbine use (but not limited to):

  • 3 phase AC output wind turbines
  • 6 phase AC, or "Dual" output wind turbines
  • DC 2 wire + and - output wind turbines
  • Not recommended for use with 48V wind turbines

Slip Ring Features & Specifications

These 90 Amp 3 wire slip rings are small and compact with OD 22.00 mm * L 45 mm, standard, off-the-shelf. Color-coded lead wires are used on both the stator and rotor for simplified electrical connections. Using a 90° V-groove ring design for each ring. These slip rings are ideal for our Freedom PMGs and PMAs.

Click here for more information on how to install a slip ring!

Slip Ring Specifications:

Wires 3
Voltage 600 VDC/VAC>
Overall diameter 22 mm
Contact Material Precious Metal: gold-gold
Housing Material Plastics
Working life depends on working speed
Dielectric strength 1000VDC@50Hz
Insulation resistance 1000MO@500VDC
Operating Temp. -40°C to 80°C
Mechanical vibration MIL-SID-810E
Materials Lead Free, RoHS compliant
Current 30A per wire (3 wires at 30 amps = 90 amps)
Max speed 50 RPM
Length 45 mm (1.85" )
Contact Resistance <80m Ohm (AW12#,250mm)
Torque 0.06N.m
Electrical noise <10MO
Lead Wire UL Teflon® Awg12
Lead Lengths 250mm
Protection IP51
Humidity 10% to 90% RH
CE Certified YES



1)The operational life of the unit is dependent upon rotational speed, environment and temperature.

2)Lead Wire size: 8A -> AWG16,15A -> AWG16,30A -> AWG12 colored code.

3)Electrical noise is dependent upon the rotating speed and current,voltage.

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