# HTS 8537.10.91, LV panels, switchboards, PLCs and controls, other: US import duty by origin

URL: https://open-factory.com/tariffs/8537-10-91/
Data as of: 2026-09-09
Publisher: Open Factory, https://open-factory.com

**What is the US import duty on LV panels, switchboards, PLCs and controls, other?** LV panels, switchboards, PLCs and controls, other, HTS 8537.10.91, 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: 8537.10.91, LV panels, switchboards, PLCs and controls, other
- Column 1 (MFN) rate: 2.7%
- Section 232 tier: none
- Lowest all-in duty: Mexico, 0%
- Highest all-in duty: China, 40.2%
- Checked on: September 9, 2026

## All-in US duty on HTS 8537.10.91 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 LV panels, switchboards, PLCs and controls, other 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 8537.10.91?

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.

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## Sources

- [Open Factory tariff schedule, 22 HTS lines x 9 origins](https://open-factory.com/articles/tariff-schedule-2026/)
- [HTS 2026 Rev. 18, hts.usitc.gov](https://hts.usitc.gov/)
- [Proclamation 11021, 91 FR 18201](https://www.federalregister.gov/citation/91-FR-18201)
- [Proclamation 11032, 91 FR 34085](https://www.federalregister.gov/citation/91-FR-34085)
- [USTR Section 301 notice, 91 FR 47318](https://www.federalregister.gov/citation/91-FR-47318)

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