ReferenceUS import duty by HTS line
HTS 8537.20.00, MV switchgear assemblies, over 1,000 V: US import duty by origin
What is the US import duty on MV switchgear assemblies, over 1,000 V?
In short. MV switchgear assemblies, over 1,000 V, HTS 8537.20.00, imported from China carries 40.2% all-in US duty (column 1 2.7%, Section 232 0%, Section 301 37.5%); the lowest of nine origins is Mexico at 0% and the highest China at 40.2%. Open Factory tariff schedule as of September 9, 2026.
Facts
| HTS line | 8537.20.00, MV switchgear assemblies, over 1,000 V |
|---|---|
| Column 1 (MFN) rate | 2.7% |
| Section 232 tier | none |
| Lowest all-in duty | Mexico, 0% |
| Highest all-in duty | China, 40.2% |
| What public buyers paid | medians from $73,715 to $2,019,662 per unit across 3 published bands (40 awards, April 2024 to August 2026) |
| Published lead time | 44 weeks (Wood Mackenzie T&D supply chain note, Oct 15 2025 (as reported)) |
| Checked on | September 9, 2026 |
All-in US duty on HTS 8537.20.00 by origin, percent of customs value, as of September 9, 2026
| Origin | Column 1 | Section 232 | Section 301 | All-in | Note |
|---|---|---|---|---|---|
| China | 2.7% | 0% | 37.5% | 40.2% | stacking of the 2018 List rate and the 2026 forced-labor rate is the default reading of 91 FR 47318 (no offset is written); CBP CSMS confirming the combined 37.5% was not located by Sep 9 2026; not a listed metal article or derivative |
| Mexico | 0% | 0% | 0% | 0% | USMCA-qualifying goods enter free of the column 1 duty; non-qualifying goods add the column 1 rate; not a listed metal article or derivative |
| Canada | 0% | 0% | 0% | 0% | USMCA-qualifying goods enter free of the column 1 duty; non-qualifying goods add the column 1 rate; Section 338 (Aug 19 2026) covers dairy, alcohol and motor vehicles only; not a listed metal article or derivative |
| EU | 2.7% | 0% | 7.3% | 10% | not a listed metal article or derivative |
| Japan | 2.7% | 0% | 9.8% | 12.5% | not a listed metal article or derivative |
| Korea | 0% | 0% | 9.8% | 9.8% | KORUS-qualifying goods enter free of the column 1 duty; non-qualifying goods add the column 1 rate; the notice caps column 1 plus 301 at 12.5%; how CBP nets the cap against a KORUS preferential entry is not stated in the notice; not a listed metal article or derivative |
| Taiwan | 2.7% | 0% | 7.3% | 10% | not a listed metal article or derivative |
| India | 2.7% | 0% | 10% | 12.7% | not a listed metal article or derivative |
| Vietnam | 2.7% | 0% | 12.5% | 15.2% | not a listed metal article or derivative |
Questions
What is the US import duty on MV switchgear assemblies, over 1,000 V from China?
40.2% all-in: column 1 2.7%, Section 232 0%, Section 301 37.5%.
Which origin has the lowest duty for HTS 8537.20.00?
Mexico at 0%, assuming the good qualifies under USMCA.
What do the layers mean?
Column 1 is the general HTS rate. Section 232 is the metals and derivatives tariff, per Proclamation 11021, 91 FR 18201 (Apr 9 2026), CSMS 68253075; Proclamation 11032, 91 FR 34085 (Jun 4 2026), CSMS 68855869. Section 301 is the China list tariff plus the forced-labor additive where it applies. The all-in figure stacks them on the customs value.
How current is this?
Checked September 9, 2026 against HTS 2026 and the Federal Register notices cited below. The page is rebuilt on every tariff event.
Sources
- Open Factory tariff schedule, 22 HTS lines x 9 origins
- HTS 2026 Rev. 18, hts.usitc.gov
- Proclamation 11021, 91 FR 18201
- Proclamation 11032, 91 FR 34085
- USTR Section 301 notice, 91 FR 47318
Data as of September 9, 2026. This page is rebuilt from the same table the Tariff Exposure Calculator, the API and the MCP server read, so the figures cannot differ. Also available as plain markdown. Cite as Open Factory, HTS 8537.20.00, MV switchgear assemblies, over 1,000 V: US import duty by origin, September 9, 2026.



