Toroidal Transformer Core from Mexico
A laminated iron core designed specifically for use in toroidal transformers, classified as a part under HTS 8504.90.96 because it is an essential component for power conversion in electrical transformers. It enables efficient magnetic flux linkage in static converters without forming a complete transformer assembly.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify the part is solely for transformers/static converters via manufacturer specs to avoid reclassification as general metal parts
• Include detailed engineering drawings and end-use certificates in documentation to prove HTS 8504 applicability
• Watch for undervaluation pitfalls; cores often require separate valuation from complete units