100 kVA Three-Phase Submersible Liquid Transformer from Mexico
Three-phase submersible transformer with silicone-based liquid dielectric, rated at 100 kVA for underground vault installations. Provides 480V delta to 208Y/120V wye conversion. HTS 8504.21.0040 applies to its liquid-cooled design and capacity limits.
Duty Rate — Mexico → United States
25%
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
• Certify dielectric fluid as less-flammable (vegetable oil or silicone) per IEEE C57.146
• Include pressure relief device and liquid level gauge specs in technical docs
• Avoid common pitfall of omitting SUDs label for sudden pressure rise protection