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
HTS heading 8504: Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof
68 numbered lines under heading 8504, including 54 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 8504 | Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof: | ||||
| 8504.10.00.00 | Ballasts for discharge lamps or tubes | No. | 3% | Free (A*,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| Liquid dielectric transformers: | |||||
| 8504.21.00 | Having a power handling capacity not exceeding 650 kVA | Free | 35% | ||
| 8504.21.00.20 | Having a power handling capacity not exceeding 50 kVA | No., kg | |||
| 8504.21.00.40 | Having a power handling capacity exceeding 50 kVA but not exceeding 100 kVA | No., kg | |||
| 8504.21.00.60 | Having a power handling capacity exceeding 100 kVA but not exceeding 500 kVA | No., kg | |||
| 8504.21.00.80 | Having a power handling capacity exceeding 500 kVA but not exceeding 650 kVA | No., kg | |||
| 8504.22.00 | Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA | Free | 35% | ||
| 8504.22.00.40 | Having a power handling capacity exceeding 650 kVA but not exceeding 2,500 kVA | No., kg | |||
| 8504.22.00.80 | Having a power handling capacity exceeding 2,500 kVA but not exceeding 10,000 kVA | No., kg | |||
| 8504.23.00 | Having a power handling capacity exceeding 10,000 kVA | 1.6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8504.23.00.41 | Having a power handling capacity exceeding 10,000 kVA but not exceeding 59,999 kVA | No., kg | |||
| 8504.23.00.45 | Having a power handling capacity exceeding 59,999 kVA but not exceeding 100,000 kVA | No., kg | |||
| 8504.23.00.80 | Having a power handling capacity exceeding 100,000 kVA | No., kg | |||
| Other transformers: | |||||
| 8504.31 | Having a power handling capacity not exceeding 1 kVA: | ||||
| 8504.31.20.00 | Unrated | No. | Free | 35% | |
| Other: | |||||
| 8504.31.40 | Having a power handling capacity less than 1 kVA | 6.6% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8504.31.40.35 | Having a power handling capacity less than 40 VA | No. | |||
| 8504.31.40.65 | Having a power handling capacity 40 VA or greater | No. | |||
| 8504.31.60.00 | Having a power handling capacity of 1 kVA | No. | 1.6% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8504.32.00.00 | Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA | No., kg | 2.4% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8504.33.00 | Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA | 1.6% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% | |
| 8504.33.00.20 | Having a power handling capacity exceeding 16 kVA but not exceeding 50 kVA | No., kg | |||
| 8504.33.00.40 | Having a power handling capacity exceeding 50 kVA but not exceeding 500 kVA | No., kg | |||
| 8504.34.00.00 | Having a power handling capacity exceeding 500 kVA | No., kg | 1.6% | Free (A,AU,B,BH,CL,CO,D,E,IL,JO,JP,KR,MA,OM,P,PA,PE,S,SG) | 35% |
| 8504.40 | Static converters: | ||||
| 8504.40.40.00 | Speed drive controllers for electric motors | No. | Free | 35% | |
| 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: | |||||
| 8504.40.60 | Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471 | Free | 35% | ||
| 8504.40.60.01 | With a power output not exceeding 50 W | No. | |||
| 8504.40.60.07 | With a power output exceeding 50 W but not exceeding 150 W | No. | |||
| 8504.40.60.12 | With a power output exceeding 150 W but not exceeding 500 W | No. | |||
| 8504.40.60.18 | Other | No. | |||
| 8504.40.70 | Other | Free | 35% | ||
| 8504.40.70.01 | With a power output not exceeding 50 W | No. | |||
| 8504.40.70.07 | With a power output exceeding 50 W but not exceeding 150 W | No. | |||
| 8504.40.70.12 | With a power output exceeding 150 W but not exceeding 500 W | No. | |||
| 8504.40.70.18 | Other | No. | |||
| 8504.40.85.00 | For telecommunication apparatus | No. | Free | 35% | |
| 8504.40.95 | Other | Free | 35% | ||
| Rectifiers and rectifying apparatus: | |||||
| Power supplies: | |||||
| 8504.40.95.10 | With a power output not exceeding 50 W | No. | |||
| 8504.40.95.20 | With a power output exceeding 50 W but not exceeding 150 W | No. | |||
| 8504.40.95.30 | With a power output exceeding 150 W but not exceeding 500 W | No. | |||
| 8504.40.95.40 | Other | No. | |||
| 8504.40.95.50 | Other | No. | |||
| Inverters: | |||||
| 8504.40.95.71 | Of a capacity not exceeding 200 W | No. | |||
| 8504.40.95.73 | Of a capacity exceeding 200 W but not exceeding 650 W | No. | |||
| 8504.40.95.75 | Of a capacity exceeding 650 W but not exceeding 20,000 W | No. | |||
| 8504.40.95.77 | Of a capacity exceeding 20,000 W but not exceeding 125,000 W | No. | |||
| 8504.40.95.78 | Of a capacity exceeding 125,000 W but not exceeding 1,000,000 W | No. | |||
| 8504.40.95.79 | Other | No. | |||
| 8504.40.95.80 | Other | No. | |||
| 8504.50 | Other inductors: | ||||
| 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 | No. | Free | 35% | |
| 8504.50.80.00 | Other | No. | Free | 35% | |
| 8504.90 | Parts: | ||||
| Of power supplies for automatic data processing machines or units thereof of heading 8471; of power supplies for goods of subheading 8443.31 or 8443.32; of power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62: | |||||
| 8504.90.20.00 | Printed circuit assemblies | No. | Free | 35% | |
| 8504.90.41.00 | Other | No. | Free | 35% | |
| Other: | |||||
| Printed circuit assemblies: | |||||
| 8504.90.65.00 | Of the goods of subheading 8504.40 or 8504.50 for telecommunication apparatus | No. | Free | 35% | |
| 8504.90.75.00 | Other | No. | Free | 35% | |
| 8504.90.96 | Other | Free | 35% | ||
| Ferrites: | |||||
| 8504.90.96.10 | For transformers | No. | |||
| 8504.90.96.30 | Other | No. | |||
| Other parts: | |||||
| Of transformers: | |||||
| 8504.90.96.34 | Laminations for incorporation into stacked cores | No., kg | |||
| 8504.90.96.38 | Stacked cores for incorporation into transformers | No., kg | |||
| 8504.90.96.42 | Wound cores for incorporation into transformers | No., kg | |||
| 8504.90.96.46 | Other | No., kg | |||
| 8504.90.96.50 | Of static converters | No. | |||
| 8504.90.96.90 | Other | No. |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.