75 kVA Mining Service Transformer from Mexico
Ruggedized oil-filled transformer for underground mining substations, 4160V to 480V at 75 kVA with MSHA approval. Falls under HTS 8504.33.00 for standard power transformer classification in the specified kVA range.
Duty Rate — Mexico → United States
26.6%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• MSHA (Mine Safety Health Administration) Part 18 certification mandatory
• Specify fault protection coordination curves for mining applications
• Ground fault protection relay documentation required for safety compliance