</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

100 kVA Three-Phase Submersible Liquid Transformer from Germany

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 — Germany → 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