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HSChapter 85
U.S. imports of isolating switches and make-and-break switches, over 1,000 v (HS 853530) totaled $48.1M in July 2026, traded with 36 countries.
Importers of Isolating Switches and Make-and-Break Switches, Over 1,000 V paid $3.3M in duties in July 2026 — an effective duty rate of 12% on $27.8M in dutiable value, based on actual customs collections rather than the published tariff schedule. Isolating Switches and Make-and-Break Switches, Over 1,000 V imports of $48.1M in July 2026 ran 11% above the year-to-date monthly average of $43.1M.
Last updated: July 2026 dataIsolating switches and make-and-break switches for voltages exceeding 1,000 V serve as de-energization and sectionalizing devices in medium- and high-voltage distribution and transmission systems. The US schedule separates knife-type switches (8535300040) from all other types (8535300080), a construction-based distinction that reflects different contact mechanisms and application environments. Mexico and Canada together account for a substantial share of US imports under this heading, with Norway and Italy also notable sources — an unusual supplier mix that reflects both nearshore manufacturing and European specialty producers. Knife-type switches, in particular, are a common point of classification dispute given their overlap with disconnect switches used in utility applications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.2K shipments/mo
Knife-type switches use a blade-and-jaw contact mechanism that physically opens the circuit by withdrawing a conductive blade. Under the US tariff schedule, this construction places them in 8535300040, separate from other isolating and make-and-break switch designs classified under 8535300080. The distinction turns on the contact mechanism, not the voltage rating alone.
Norway hosts specialized manufacturers of high-voltage switchgear and disconnect equipment serving utility and industrial markets globally. Its presence in the US import mix alongside Mexico and Canada reflects the niche, engineering-intensive nature of this product category, where European producers with long utility-sector relationships maintain competitive positions even against lower-cost manufacturing regions.
ImportsExports
Imports
$48.1MYoY · Pro
Exports
$11.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Canada together supply 61% of it.
customs district
destination
entry
rate provision · imports
42.2% enters free of duty; the effective duty rate is 6.82%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8535300080 | Isolating & Make-&-Break Swtches, Gt 1000v, NESOI | $38.3M | 8.06% | 68.87% | $3.1M |
| 8535300040 | Isolating and Make and Break Switches, Knife Type | $9.8M | 1.93% | 14.21% | $188K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8535300080 | Isolating & Make-&-Break Swtches, Gt 1000v, NESOI | $9.1M |
| 8535300040 | Isolating and Make and Break Switches, Knife Type | $2.8M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Supplier Network
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Subheading 3 of 6 in heading 8535
Subheading 853530 · $48.1M of $258.1M