Toshiba 45MVA Mineral Oil Filled Grid Transformer from Mexico
45MVA substation transformer using mineral oil dielectric for 138/34.5kV applications. Classified in HTS 8504.23.0041 due to power handling of 45,000 kVA and liquid insulation.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) 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
• Specify oil type (mineral, silicone, less-flammable) as it impacts fire safety classification and permits
• Include bushing ratings and tap changer specifications in entry documents
• Budget for special handling equipment; units exceed container dimensions requiring flat-rack shipping