Ceramic Generator Stator Wedge from Japan
Ceramic wedges securing stator windings in large power generators, with metal locating pins molded in place. Critical for vibration resistance and electrical insulation under high thermal cycling. HTS 8547.10.80.00 ceramic insulating machine fittings.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Thermal expansion coefficient matching copper documentation; impulse voltage testing; ensure machine-specific design vs general ceramic shapes