HTS 8504.40.95Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof:Static converters: Other

What that translates to:Other static converters (e.g. chargers, inverters, rectifiers)

Also written 85044095. Rates as CBP is collecting them today. Updated Oct 1, 2026.

Country of origin

Other static converters (e.g. chargers, inverters… (HTS 8504.40.95) from China owe 37.5% in total duties as of Oct 1, 2026: no regular duty plus a 12.5% forced-labor tariff (Section 301) and a 25% China tariff (Section 301).

Total duty rate37.5%That's $3,750 on a $10,000 shipment.

Forced-labor tariffSection 301, since Jul 24, 202612.5%

China tariffSection 301, since May 10, 201925%

Regular dutyBase rate (MFN) in the tariff scheduleFree

Total duty37.5%

The forced-labor tariff may not apply. The legal text: “articles that are civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components, that otherwise meet the criteria of general note 6 of the HTSUS” (HTS 9903.05.88).

The China tariff doesn't apply to “Power adapters for a weather sensor or weather station display (described in statistical reporting number 8504.40.9580)” (HTS 9903.88.69).

The drone tariff may not apply. The legal text: “Unmanned aircraft, their parts and components, as provided for in subdivision (c) of U.S. note 43, imported for companies subject to an onshoring plan approved by the Department of Homeland Security or the Department of War” (HTS 9903.08.25).

The drone tariff may not apply. The legal text: “For companies on the DoW's Blue UAS Cleared List, the Blue UAS Framework, or the FCC's Conditional Approval List on September 2, 2026, the effective date referenced in clause (1) of this proclamation shall be 180 days from the date of this proclamation, with respect to the Covered Products that are included on the FCC's Conditional Approval list, as well as their components, and products that are included on the DoW's Blue UAS Cleared List, as well as their components. The Secretary shall inform CBP of the companies and products that meet or will meet the criteria in this clause.”.

The drone tariff adds 100% where this applies: “Unmanned aircraft, docking stations for unmanned aircraft or parts for such docking stations” (HTS 9903.08.21). Lines 8504.40.9580.

Court status: Challenged at the U.S. Court of International Trade in In re Section 301 Forced Labor Cases, Court No. 26-03555-3JP, before a three-judge panel. The plaintiffs, Learning Resources and others, have moved for judgment on the agency record, arguing that the action (91 FR 47318) exceeds USTR's statutory authority, is arbitrary and capricious, and is pretextual; 25 states, plaintiffs in Court No. 26-cv-03467-3JP, support them as amici (brief filed Sep 11, 2026). No ruling as of Oct 1, 2026, so the rate is unchanged.

Sources: USITC Harmonized Tariff Schedule, Revision 20 (2026); USTR, Notice of Actions in Section 301 Investigations (forced labor), 91 FR 47318, Jul 28, 2026; HTS 9903.05.31; USTR, Notice of Modification of Section 301 Action (List 3 raised to 25% from May 10, 2019), 84 FR 20459, May 9, 2019; HTS 9903.88.03.

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Official description

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

Legal text from the Harmonized Tariff Schedule, Revision 20 (2026), chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles.

Statistical lines

The 10-digit numbers used on entry paperwork. They share this code's duty rates.

8504.40.9510 (8504409510)With a power output not exceeding 50 W · reported in No.
8504.40.9520 (8504409520)With a power output exceeding 50 W but not exceeding 150 W · reported in No.
8504.40.9530 (8504409530)With a power output exceeding 150 W but not exceeding 500 W · reported in No.
8504.40.9540 (8504409540)Other · reported in No.
8504.40.9550 (8504409550)Other · reported in No.
8504.40.9571 (8504409571)Of a capacity not exceeding 200 W · reported in No.
8504.40.9573 (8504409573)Of a capacity exceeding 200 W but not exceeding 650 W · reported in No.
8504.40.9575 (8504409575)Of a capacity exceeding 650 W but not exceeding 20,000 W · reported in No.
8504.40.9577 (8504409577)Of a capacity exceeding 20,000 W but not exceeding 125,000 W · reported in No.
8504.40.9578 (8504409578)Of a capacity exceeding 125,000 W but not exceeding 1,000,000 W · reported in No.
8504.40.9579 (8504409579)Other · reported in No.
8504.40.9580 (8504409580)Other · reported in No.

What changed for this code

Sep 3, 2026Section 232 tariffs on drones and drone parts start
Jul 24, 2026Forced-labor tariffs start on imports from 60 economies (Section 301)
Jul 22, 202625% Section 301 tariff on products of Brazil starts
Jan 1, 2026Section 301 tariff on Nicaragua starts at 0%, set to rise to 10% in 2027 and 15% in 2028

Questions about HTS 8504.40.95

What is the duty rate for HTS 8504.40.95?

The regular (column 1 general) rate printed in the tariff schedule is Free. Goods from China owe 37.5% in total as of Oct 1, 2026, including any additional tariffs. Additional tariffs depend on the country of origin; choose one above to see its full rate.

Is HTS 8504.40.95 subject to Section 301 tariffs?

Yes, for goods from 85 countries and territories as of Oct 1, 2026, including Algeria, Angola, Argentina, Australia, Austria. Choose a country above to see the rate and any exemptions.

Is HTS 8504.40.95 subject to Section 232 tariffs?

No Section 232 tariff applies to HTS 8504.40.95 as of Oct 1, 2026, from any country of origin.

HTSLookup shows the duties CBP collects on this code by country of origin. Antidumping or countervailing duties may also apply to some exporters; they're set per company and aren't shown.