Hyundai 35MVA Power Transformer with ONAN Cooling from Canada
35MVA oil-natural air-natural (ONAN) cooled transformer for regional power grids. Falls under HTS 8504.23.0041 for its liquid dielectric design and 35,000 kVA capacity range.
Duty Rate — Canada → 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
• Provide cooling method specifications (ONAN/ONAF) as they affect efficiency ratings and duty calculations
• Include silica gel breather and conservator tank details in technical specs for proper classification
• Pre-clear with FERC if destined for interstate transmission use