Harmonized Tariff Schedule of the United States · HTS code · HS 8504.40

8504.40.40

8504.40.40: Static converters (inverters, chargers): Speed drive controllers for electric motors

Static converters (inverters, chargers)

Not declarable on its own: use one of its 1 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. 8504.40 Static converters:
  3. 8504.40.40 Speed drive controllers for electric motors

What you pay

Importing into USA

Customs duty Free standard rate depends on the country of origin
Additional duties and charges —
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.

No additional measures recorded for this origin.

Same subheading in other tariffs

8504.40 Electrical transformers, static converters: static converters

USA lines: 8504.40

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.

  • N344357 U.S. CBP 11 December 2024 · 8504.40.40.00

    The tariff classification of motor controllers from Germany

  • N340105 U.S. CBP 31 May 2024 · 8504.40.40.00

    The tariff classification of a drive controller from China

  • H336964 U.S. CBP 17 April 2024 · 8504.40.40

    Application for Further Review of Protest No. 209523117254; Classification; Applicability of Section 301 Trade Remedies on Certain Speed Drive Controllers

  • H287055 U.S. CBP 5 April 2023 · 8504.40.40

    Application for Further Review of Protest No. 3901-16-100021; Tariff classification of motor control boards and electronic speed controllers for remote-controlled vehicles

  • N319897 U.S. CBP 16 June 2021 · 8504.40.40.00

    The tariff classification of a variable frequency drive from China

  • N305177 U.S. CBP 23 July 2019 · 8504.40.40.00

    The tariff classification of motor controllers from Italy

  • N280213 U.S. CBP 9 November 2016 · 8504.40.40.00

    The tariff classification of a motor controller from China or Mexico.

  • N271544 U.S. CBP 11 January 2016 · 8504.40.40.00

    The tariff classification of a fan controller assembly from South Korea

Legal notes

Notes

Chapter notes: Chapter 85 →

In the Harmonized Tariff Schedule of the United States, 8504.40.40 is one of 5 lines under subheading 8504.40, electrical transformers, static converters: static converters.

The general duty is free, and quantities are declared in p/st.

For the same subheading, the UK duty is free, the EU duty is free, the Türkiye duty is 0%–3.3%, the Canada duty is free, the Mexico duty is 0%–15%, the Brazil duty is 7%–20%, the Argentina duty is 12.6%–35%, 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 free, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–15% and the Nigeria duty is 5%.

The United States imported goods of subheading 8504.40 worth US$18bn in 2024; the largest supplier was China.

Questions and answers

What is the USA import duty for HTS code 8504.40.40?

The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is p/st. 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 8504.40 as a whole, the largest supplier in 2024 was China (US$3bn), followed by Mexico.

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Typical products

Everyday names, not part of the legal text.