Chapter 85, Electrical machinery and electronics / Heading 8504
HTS 8504.31.40: Electrical transformers, other transformers, having a power handling capacity not exceeding 1 kVA, having a power handling capacity less than 1 kVA
Schedule text: Having a power handling capacity less than 1 kVA. Classification: Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof › Other transformers › Having a power handling capacity not exceeding 1 kVA › Other › Having a power handling capacity less than 1 kVA
General rate of duty
6.6%
Column 1, USITC schedule
From China, all in
56.6%
Priced live by the Gateway engine
Section 301 China
25%
List 3
Forced labor 301
exempt
9903.05.90
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: 6.6% 8504.31.40 | 6.6% | $660.00 |
Section 301 China (List 3) | 25% | $2,500.00 |
Section 232 Aluminum (Derivative) As of April 6, 2026, CBP may assess Section 232 metals duties based on US sales price rather than declared customs value. | 25% | $2,500.00 |
Effective duty rate | 56.6% | $5,660.00 |
Checked and not applied
- Section 301 forced labor: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52)
Stack priced from China on a $10,000 customs value, ocean entry. Other origins carry different programs; the calculator prices any of them.
Related lines
Statistical lines under the same 8-digit heading share one legal rate; the last two digits report statistics.
- 8504.31.40.35Having a power handling capacity less than 40 VA
- 8504.31.40.65Having a power handling capacity 40 VA or greater
Questions about this example
- What is HTS code 8504.31.40?
- HTS 8504.31.40 covers electrical transformers, other transformers, having a power handling capacity not exceeding 1 kVA, having a power handling capacity less than 1 kVA; the schedule's own line text is "Having a power handling capacity less than 1 kVA". Its full classification path in the Harmonized Tariff Schedule of the United States is: Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof › Other transformers › Having a power handling capacity not exceeding 1 kVA › Other › Having a power handling capacity less than 1 kVA. It sits in chapter 85 (Electrical machinery and electronics) under heading 8504.
- What is the general duty rate for HTS 8504.31.40?
- The Column 1 general rate of duty is 6.6%. That is the most-favored-nation rate before any Section 301, Section 232, Section 338, Section 201 or antidumping and countervailing action, and before CBP's Merchandise Processing and Harbor Maintenance fees.
- What is the tariff on HTS 8504.31.40 from China?
- Priced on $10,000 of goods, the effective duty from China is 56.6%: 6.6% general rate + 25% Section 301 + 25% Section 232 Aluminum (Derivative). Section 301 applies (List 3). Forced-labor duty: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52).
- Which lines are related to HTS 8504.31.40?
- Neighbouring statistical lines under the same 8-digit heading are listed on this page. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.