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HSChapter 85
U.S. imports of automatic circuit breakers for voltages not exceeding 1,000 v (HS 853620) totaled $242.9M in July 2026, traded with 66 countries.
Importers of Automatic Circuit Breakers for Voltages Not Exceeding 1,000 V paid $20.7M in duties in July 2026 — an effective duty rate of 13% on $162.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Automatic Circuit Breakers for Voltages Not Exceeding 1,000 V imports of $242.9M in July 2026 ran 13% above the year-to-date monthly average of $215.5M.
Last updated: July 2026 dataAutomatic circuit breakers rated at or below 1,000 V are essential protective devices in residential, commercial, and industrial electrical systems, and the US schedule separates molded-case designs (8536200020) from all other types (8536200040) — a distinction that aligns with UL and NEMA product certification categories relevant to US market access. Mexico is the leading supplier, reflecting deep integration with US electrical equipment manufacturers operating cross-border supply chains. Italian and German imports tend to represent higher-specification industrial-grade breakers, while Chinese-origin product is subject to Section 301 tariff exposure. Buyers should confirm that imported breakers carry the applicable UL listing or equivalent third-party certification required by US electrical codes before distribution.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
21.7K shipments/mo
While US Customs does not require a UL listing for import clearance, most US jurisdictions require circuit breakers installed in electrical systems to be listed by a Nationally Recognized Testing Laboratory (NRTL) such as UL, CSA, or ETL. Importers and distributors should verify that products carry the appropriate NRTL mark before offering them for sale, as non-listed breakers may be rejected by inspectors or distributors.
A molded-case circuit breaker (MCCB) is defined by its housing — the overcurrent protection mechanism is enclosed within a molded insulating case that forms an integral part of the device. Breakers that use a separate enclosure or frame, such as open-frame or insulated-case designs, would fall under the NESOI line (8536200040). Technical datasheets and product specifications are the primary documentation CBP uses to distinguish between the two subheadings.
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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 |
|---|---|---|---|---|---|
| 8536200020 | Automatic Circuit Breakers, Molded Case, Lt=1000 V | $203.4M | 7.93% | 64.03% | $16.1M |
| 8536200040 | Automatic Circuit Breakers Lt= 1000 V, NESOI | $39.5M | 11.61% | 81.98% | $4.6M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8536200020 | Automatic Circuit Breakers, Molded Case, Lt=1000 V | $76.1M |
| 8536200040 | Automatic Circuit Breakers Lt= 1000 V, NESOI | $29.8M |
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.
ImportsExports
Imports
$242.9MYoY · Pro
Exports
$105.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and Dominican Republic together supply 68% of it.
customs district
destination
entry
rate provision · imports
29.3% enters free of duty; the effective duty rate is 8.53%.