HTSAlert

HTS CODE

8504.40.9550

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

Current Rate BreakdownNo rate change since July 4, 2026
Stacked duty rate composition — CN origin
ComponentRate
MFN BASE RATE0.0%
SECTION 3019903.88.03
25.0%
TOTAL EFFECTIVE RATE
25.0%
Source:USITC Harmonized Tariff Schedule ↗· as of the daily check on October 5, 2026
Overlays resolved from Chapter 99 U.S. Notes — Chapter 99 trade-action overlays resolved from the U.S. Notes to Chapter 99 (parsed 2026-10-02). The USITC schedule no longer publishes per-code references, so coverage comes from the note lists directly; USTR product exclusions at the statistical-suffix level may still apply — verify before filing.

Where this code sits in the schedule

  • 8504Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof
  • 8504.40Static converters
  • 8504.40.95Other
  • 8504.40.95.50Other

Next to this line in heading 8504

Each line’s own MFN general rate.

  • 8504.40.85.00For telecommunication apparatusFree
  • 8504.40.95OtherFree
  • 8504.40.95.50Other
  • 8504.50.40.00For 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; for telecommunication apparatusFree
  • 8504.50.80.00OtherFree

OTHER USITC RATE COLUMNS

Column 2 (non-MFN): "35%" — for countries without normal trade relations; not the rate for an ordinary shipment.

ABOUT THIS CODE

HTS 8504.40.9550, filed for CN-origin shipments under "Electrical transformers, static converters (for example, rectifiers) and inductors; parts…", sits in Chapter 85 (Electrical machinery and equipment and parts thereof; sound recorders and reproducers). The schedule reaches this line starting from heading 8504 — "Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof", narrowing to 8504.40 ("Static converters"). Within heading 8504, the schedule files 8504.40.95.50 after 8504.40.85.00 ("For telecommunication apparatus", Free) and 8504.40.95 ("Other", Free) and before 8504.50.40.00 ("For 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; for telecommunication apparatus", Free) and 8504.50.80.00 ("Other", Free). Stacked for 8504.40.9550: a duty-free (Free) MFN rate plus 25% under Section 301 (9903.88.03) = 25.0%. Rate history for 8504.40.9550: no change detected since HTSAlert began monitoring this Electrical machinery and equipment and parts thereof; sound recorders and reproducers line.

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