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Code 8504 40 · Heading 8504

Static electrical converters

This code covers static electrical converters, including battery chargers, rectifiers, inverters and other static converters. The specific type and, for inverters, the power limit determine the child code.

For example

  • A battery charger, except a rectifier with a polycrystalline semiconductor
  • A rectifier
  • An inverter with power <= 7.5 kVA
  • An inverter with power > 7.5 KVA
See the official tariff text

Official tariff text

Static converters

How we got to this code

  1. XVI
  2. 85
  3. 8504
  4. 8504 40
Show the steps

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 0.0%

7 codes below this one

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 lines2 Norwegian lines

85.04.4010 Rectifiers

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

  • Their lines10 British lines

8504 40 60 10 For use in civil aircraft

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, other have not been read for this line yet, so we do not estimate it. Ask your US importer or broker.

Not estimated

  • Their lines22 US lines
  • Entry dateSept. 17, 2026

8504.40.40.00 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 2 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.

  • 85.04.4010

    Rectifiers

    Ordinary duty
    Duty free

  • 85.04.4090

    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 10 British lines

Selling to Great Britain

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

  • All 10 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 22 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.

  • 8504.40.40.00

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Speed drive controllers for electric motors

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.60.01

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, With a power output not exceeding 50 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.60.07

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, With a power output exceeding 50 W but not exceeding 150 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.60.12

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, With a power output exceeding 150 W but not exceeding 500 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.60.18

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

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.70.01

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, With a power output not exceeding 50 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.70.07

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, With a power output exceeding 50 W but not exceeding 150 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.70.12

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, With a power output exceeding 150 W but not exceeding 500 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
Show all 22 lines

  • 8504.40.70.18

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

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.85.00

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, For telecommunication apparatus

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.10

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, With a power output not exceeding 50 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.20

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, With a power output exceeding 50 W but not exceeding 150 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.30

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, With a power output exceeding 150 W but not exceeding 500 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.40

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, Other

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.50

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Rectifiers and rectifying apparatus, Other

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.71

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Inverters, Of a capacity not exceeding 200 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.73

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Inverters, Of a capacity exceeding 200 W but not exceeding 650 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.75

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Inverters, Of a capacity exceeding 650 W but not exceeding 20,000 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.77

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Inverters, Of a capacity exceeding 20,000 W but not exceeding 125,000 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.78

    Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof, Static converters, Other, Inverters, Of a capacity exceeding 125,000 W but not exceeding 1,000,000 W

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.79

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

    General rate
    Free
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 8504.40.95.80

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

    General rate
    Free
    From the EU
    No single figure Not estimated The published measures for Section 232, other 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.