Subheading
8504.40
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: Static converters:
8504 Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof
Duty rates
Column 1, General
Not stated at any level above this lineThe rate for goods from countries with normal trade relations.
Column 1, Special
No programme rate on this lineOnly if the goods qualify under that programme's rules of origin, which is a determination nobody here can make for you.
Column 2
Not stated at any level above this lineFor the small number of countries named in General Note 3(b), which is not held here.
Additional duties
No footnote on this line, or on the lines above it, points at a chapter 99 provision.
These are the published rates for this line. They are not a landed duty. Additional duties under chapter 99, which is where section 232 and section 301 sit, can apply through the U.S. notes to that chapter without a footnote on this line, and those notes are not held here. Classification and country of origin are yours to determine.
Below this
| Code | Description | General |
|---|---|---|
| 8504.40.40.00 | Speed drive controllers for electric motors | Free |
| 8504.40.60 | Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471 | Free |
| 8504.40.60.01 | With a power output not exceeding 50 W | Free |
| 8504.40.60.07 | With a power output exceeding 50 W but not exceeding 150 W | Free |
| 8504.40.60.12 | With a power output exceeding 150 W but not exceeding 500 W | Free |
| 8504.40.60.18 | Other | Free |
| 8504.40.70 | Other | Free |
| 8504.40.70.01 | With a power output not exceeding 50 W | Free |
| 8504.40.70.07 | With a power output exceeding 50 W but not exceeding 150 W | Free |
| 8504.40.70.12 | With a power output exceeding 150 W but not exceeding 500 W | Free |
| 8504.40.70.18 | Other | Free |
| 8504.40.85.00 | For telecommunication apparatus | Free |
| 8504.40.95 | Other | Free |
| 8504.40.95.10 | With a power output not exceeding 50 W | Free |
| 8504.40.95.20 | With a power output exceeding 50 W but not exceeding 150 W | Free |
| 8504.40.95.30 | With a power output exceeding 150 W but not exceeding 500 W | Free |
| 8504.40.95.40 | Other | Free |
| 8504.40.95.50 | Other | Free |
| 8504.40.95.71 | Of a capacity not exceeding 200 W | Free |
| 8504.40.95.73 | Of a capacity exceeding 200 W but not exceeding 650 W | Free |
| 8504.40.95.75 | Of a capacity exceeding 650 W but not exceeding 20,000 W | Free |
| 8504.40.95.77 | Of a capacity exceeding 20,000 W but not exceeding 125,000 W | Free |
| 8504.40.95.78 | Of a capacity exceeding 125,000 W but not exceeding 1,000,000 W | Free |
| 8504.40.95.79 | Other | Free |
| 8504.40.95.80 | Other | Free |
Keep this line
An account can watch this line, so a section 232 or 301 action naming it reopens the determination that rested on it.
2026HTSRev17, retrieved 2026-08-27, from the USITC