Harmonized Tariff Schedule of the United States · HTS code · HS 8504.90

8504.90.96

8504.90.96: Electrical transformers, static converters: parts, other, other

Transformer and converter parts

Not declarable on its own: use one of its 8 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 8504 Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof:
  2. 8504.90 Parts:
  3. Other:
  4. 8504.90.96 Other

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges 6 additional measures
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 6

  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 15%
    Applies to goods from
    United Kingdom
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.05
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
    Applies to goods from
    all countries except United Kingdom, Russia
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.09
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 15%
    Applies to goods from
    all countries except Cuba, North Korea, Russia, Belarus
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.10
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
    Applies to goods from
    Belarus, Cuba, North Korea, Russia
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.12
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
    Applies to goods from
    Russia
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.16
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 200%
    Applies to goods from
    Russia
    In force
    from 10 March 2023
    Legal act
    HTSUS 9903.85.68

Subdivisions

  1. 8504.90.96 Other Free
  2. 8504.90.96.10 For transformers No.
  3. 8504.90.96.30 Other No.
  4. 8504.90.96.34 Laminations for incorporation into stacked cores No., kg
  5. 8504.90.96.38 Stacked cores for incorporation into transformers No., kg
  6. 8504.90.96.42 Wound cores for incorporation into transformers No., kg
  7. 8504.90.96.46 Other No., kg
  8. 8504.90.96.50 Of static converters No.
  9. 8504.90.96.90 Other No.

Same subheading in other tariffs

8504.90 Electrical transformers, static converters: parts

USA lines: 8504.90

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N313158 U.S. CBP 30 July 2020 · 8504.90.96.42

    The tariff classification of wound transformer cores from China.

  • N307881 U.S. CBP 13 December 2019 · 8504.90.96.34

    The tariff classification of laminated cores and sheets from India

  • N305176 U.S. CBP 23 July 2019 · 8504.90.96.90

    The tariff classification of plastic covers from Italy

  • N302344 U.S. CBP 11 February 2019 · 8504.90.96.42

    The tariff classification, country of origin marking and North American Free Trade Agreement (NAFTA) eligibility of transformer toroids from Mexico

  • N285628 U.S. CBP 16 May 2017 · 8504.90.96.50

    The tariff classification of a stainless steel cover for an automobile battery charger from China

Legal notes

Notes

Chapter notes: Chapter 85 →

In the Harmonized Tariff Schedule of the United States, 8504.90.96 is one of 5 lines under subheading 8504.90, electrical transformers, static converters: parts.

The general duty is free.

8 statistical sub-lines below it are used in the declaration.

For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is 2.2%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 14.4%–20%, the Argentina duty is 12.6%–16%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–13% and the Nigeria duty is 5%.

The United States imported goods of subheading 8504.90 worth US$3bn in 2024; the largest supplier was Mexico.

Questions and answers

What is the USA import duty for HTS code 8504.90.96?

The general duty in the Harmonized Tariff Schedule of the United States is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Where does the United States import these goods from?

For subheading 8504.90 as a whole, the largest supplier in 2024 was Mexico (US$743m), followed by China.

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