Slip Ring Assembly for Wound Rotor Generators from Canada
Forged copper-graphite slip ring stack with spring pressure assembly for rotor current transfer in AC generators under 8501.64.0110. Rated for continuous 1000A+ currents. Classified 8503.00.95.46 as principal electrical contact part.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document current density ratings (15-20 A/cm²) and peripheral speed (40 m/s+) matching MW generators
• Include brush compatibility certification for specific slip ring surface treatment
• Provide rotor diameter/stacking pressure specifications linking to target generator models