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Code 8504 90 · Heading 8504

Parts for transformers, static converters and induction coils, not specified elsewhere

This code covers parts for transformers, static converters and induction coils that are not covered by a more specific parts category. The deciding distinction is what type of equipment the part is for and, for transformer or induction-coil parts, whether it is a ferrite core, a steel lamination or core, or another part.

For example

  • A ferrite core for a transformer or induction coil
  • Steel laminations for a transformer or induction coil
  • Another part for a transformer or induction coil, not a ferrite core or steel lamination or core
  • A part for a static converter
See the official tariff text

Official tariff text

Parts of electrical transformers and inductors, n.e.s.

How we got to this code

  1. XVI
  2. 85
  3. 8504
  4. 8504 90
Show the steps

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 0.0%

4 codes below this one

This is the catch-all under 8504: it covers what the sibling codes below do not.

Within the parent group, this is for parts of transformers, static converters and induction coils that are not named by the more specific sibling categories for complete equipment.

Compare the sibling codes

See all 11 codes at this level

Classification decides the rate here: from 0.0% to 3.7%.

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

  • Their lines3 Norwegian lines

85.04.9010 Of transformers

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

  • Their lines4 British lines

8504 90 11 00 Ferrite cores

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

We do not estimate this one.

The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

Not estimated

  • Their lines12 US lines
  • Entry dateSept. 17, 2026

8504.90.20.00 Electrical transformers, static converters (for example, rectifiers) and inductors; parts

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 3 Norwegian lines

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

  • 85.04.9010

    Of transformers

    Ordinary duty
    Duty free

  • 85.04.9020

    Of static converters

    Ordinary duty
    Duty free

  • 85.04.9090

    Other

    Ordinary duty
    Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 4 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

  • All 4 UK lines under this code

    They all have the same duty rates shown here.

    Ordinary duty
    Duty free

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 12 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

  • 8504.90.20.00

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Of power supplies for automatic data processing machines or units thereof of heading 8471; of power supplies for goods of subheading 8443.31 or 8443.32; of power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Printed circuit assemblies

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.41.00

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Of power supplies for automatic data processing machines or units thereof of heading 8471; of power supplies for goods of subheading 8443.31 or 8443.32; of power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.65.00

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Printed circuit assemblies, Of the goods of subheading 8504.40 or 8504.50 for telecommunication apparatus

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.75.00

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Printed circuit assemblies, Other

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.10

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Ferrites, For transformers

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.30

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Ferrites, Other

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.34

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Other parts, Of transformers, Laminations for incorporation into stacked cores

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.38

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Other parts, Of transformers, Stacked cores for incorporation into transformers

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.
Show all 12 lines

  • 8504.90.96.42

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Other parts, Of transformers, Wound cores for incorporation into transformers

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.46

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Other parts, Of transformers, Other

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.50

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Other parts, Of static converters

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

  • 8504.90.96.90

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Parts, Other, Other parts, Other

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, metal derivatives have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.