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HSChapter 85
U.S. imports of electrical circuit protection apparatus, not exceeding 1,000 v (nesoi) (HS 853630) totaled $89.4M in July 2026, traded with 63 countries.
Importers of Electrical Circuit Protection Apparatus, Not Exceeding 1,000 V (NESOI) paid $9.1M in duties in July 2026 — an effective duty rate of 13% on $72.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Electrical Circuit Protection Apparatus, Not Exceeding 1,000 V (NESOI) imports of $89.4M in July 2026 ran 15% above the year-to-date monthly average of $77.9M.
Last updated: July 2026 dataResidual low-voltage circuit protection apparatus — including motor overload protectors and other devices not classified as fuses or automatic circuit breakers — serves critical roles in motor control centers, industrial machinery, and building automation systems. Three US tariff lines cover this space: a general NESOI provision (8536300000), a dedicated motor overload protector line (8536304000), and a broader residual (8536308000). China is the leading supplier, followed by Mexico and the Philippines; Chinese-origin goods in this heading are subject to Section 301 tariff measures, and Vietnam and Czech Republic also appear among top sources, reflecting supply-chain diversification by multinational manufacturers. Correct classification between the motor overload protector line and the broader NESOI provisions is a recurring compliance issue.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
5.8K shipments/mo
Motor overload protectors rated at or below 1,000 V fall under heading 853630, specifically 8536304000. Those rated above 1,000 V are instead classified under heading 853590 (8535904000). The voltage threshold is the primary classification determinant, and importers should confirm the device's rated voltage from the manufacturer's technical documentation before filing.
Several major European electrical equipment manufacturers — particularly those producing motor protection and control devices — operate production facilities in the Czech Republic as a lower-cost EU manufacturing base. Vietnam's presence reflects broader electronics and electrical component assembly investment by multinational firms seeking to diversify away from China, particularly following Section 301 tariff exposure on Chinese-origin goods.
Subheading 6 of 10 in heading 8536
Subheading 853630 · $89.4M of $1.6B
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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 |
|---|---|---|---|---|---|
| 8536308000 | Electric Circuit Protection Apparatus, NESOI | $84.6M | 10.17% | 80.64% | $8.6M |
| 8536304000 | Motor Overload Protectors, For Voltage Lt=1000v | $4.9M | 10.14% | 81.39% | $493K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8536300000 | Electrical Circuit Protection Apps, Lt=1000v,NESOI | $31.6M |
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
$89.4MYoY · Pro
Exports
$31.6MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Mexico and China together supply 43% of it.
customs district
destination
entry
rate provision · imports
18.6% enters free of duty; the effective duty rate is 10.17%.