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HTS 8504.40 (8504.40.00) duty rate

8504.40.00 is not a rated tariff line. Subheading 8504.40 (Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof › Static converters) is split into 5 tariff lines, and the duty rate depends on which one your product falls under:

LineDescriptionGeneralSection 301 (China)Exclusions
8504.40.40Speed drive controllers for electric motorsFreeList 1 +25%
8504.40.60Suitable for physical incorporation into automatic data processing machines or units thereof o…FreeList 3 +25%
8504.40.70Power supplies for automatic data processing machines or units thereof of headin…: OtherFreeList 3 +25%
8504.40.85For telecommunication apparatusFreeList 3 +25%
8504.40.95Static converters: OtherFreeList 3 +25% (1 product exclusion may apply)1

Open the line that matches your product for its full rate table, Section 301 actions, exclusions, statistical suffixes and a free duty calculator.

Official USITC HTS, 2026HTSRev20 · check on hts.usitc.gov

Subheading 8504.40 at a glance

Heading 8504 · Chapter 85 · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC); not legal or customs advice. Classification is decided by CBP.