Silicon Carbide Surge Arrester Insulator from Mexico
Porcelain housing for silicon carbide surge arresters protecting transformers from lightning, with high puncture resistance. Falls under HTS 8546.20.00 as the ceramic electrical insulator body.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include housing pressure relief test per ANSI/IEEE C62.11
• Separate varistor cores if imported assembled to avoid 8535 classification
• Declare MCOV rating clearly