Porcelain High-Voltage Post Insulator from Mexico
A ceramic post insulator made from high-alumina porcelain, designed for supporting high-voltage conductors in substations operating at low frequencies (50-60 Hz). It features a glazed surface for weather resistance and mechanical strength exceeding 10 kN. Classified under 8546.20.00.60 as a ceramic insulator for high-voltage, low-frequency electrical systems, not specified elsewhere.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify dielectric strength certification (e.g
• IEC 60168) and glaze composition for compliance; ensure marking of voltage rating and material per ANSI C29 standards; avoid misclassification as line post insulators under 8546.20.00.20