HS Code 8504.40 : Static converters
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for static converters is 8504.40. Under the 2026 United States (USITC HTS), the representative MFN general duty rate is Free [USITC HTS 2026].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 85
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof
Heading 8504
Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof
Subheading .40
.40
Static converters
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United States (USITC HTS 2026)
8504.40
MODULE 5: US IMPORT DUTY & FEE BREAKDOWN (LANDED COST STACK)
Federal Import VAT / GST
0.00%
US Has NO Federal VAT
Notice: Duty rates and trade remedies change frequently (Section 301, Section 232, anti-dumping orders, de minimis thresholds). Duty calculations are estimates for informational purposes only. Always verify exact rates with U.S. Customs and Border Protection (CBP) or a licensed customs broker prior to import.
TRACK THIS HS CODE
Get Real-Time Tariff & Trade Remedy Change Alerts for HS 8504.40
Receive an automated email notification whenever USITC or CBP publishes duty rate adjustments or customs notices for 8504.40.
MODULE 6: Mandatory Customs Entry Document Matrix
Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
UNIVERSAL DOCUMENT
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
AGENCY-CONDITIONAL (PGA)
FDA Prior Notice / USDA Phytosanitary Cert
Rule-derived from verified PGA flag: Mandatory prior notice filing and health certificate.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
ACE PGA Message-Set Flags:
FCC (FCC): FCC Equipment Authorization Form 740 (RF Devices)
Official ACE program code: ACE/PGA [FDA 21 CFR 1.276].
MODULE 8: Trade Remedies (Section 301, Section 232, AD/CVD)
China Section 301 Tariff Status
7.5% – 25% Additional Duty (China Origin)
Section 232 Steel/Aluminum Status
Exempt (Non-Metal Commodity)
EU CBAM Carbon Alert
Not in Scope
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| P | United States-Mexico-Canada Agreement (USMCA) | Free | Must meet USMCA Regional Value Content (RVC) or tariff shift rules. |
| KR | U.S.-Korea Free Trade Agreement (KORUS) | Free | Direct shipment from South Korea with KORUS Certificate of Origin. |
| AU | U.S.-Australia Free Trade Agreement | Free | Wholly obtained or tariff shift rule under US-Australia FTA. |
| A / D | GSP / African Growth & Opportunity Act (AGOA) | Free | 35% local value-add requirement for beneficiary country origin. |
MODULE 10: Logistics, Freight & Transport Specifications
Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for Static converters
MODULE 11: Official CBP CROSS Binding Classification Rulings
No ruling cached for HS 8504.40.
Query the live U.S. Customs and Border Protection e-Rulings database:
Search Live CBP CROSS Database for 8504.40 →US National HTS Tariff Lines (8504.40)
| HTS Code | Description | General Rate | Special (FTA) Rate | Column 2 Rate | Unit |
|---|---|---|---|---|---|
| 8504.40 | Static converters | Free | Free | Rate on request | — |
| 8504.40.40.00 | Static converters, Speed drive controllers for electric motors | Free | Free | 35% | No. |
| 8504.40.60 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471 | Free | Free | 35% | — |
| 8504.40.60.01 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, With a power output not exceeding |
Free | Free | Rate on request | No. |
| 8504.40.60.07 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, With a power output exceeding |
Free | Free | Rate on request | No. |
| 8504.40.60.12 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, With a power output exceeding |
Free | Free | Rate on request | No. |
| 8504.40.60.18 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Suitable for physical incorporation into automatic data processing machines or units thereof of heading 8471, Other | Free | Free | Rate on request | No. |
| 8504.40.70 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other | Free | Free | 35% | — |
| 8504.40.70.01 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, With a power output not exceeding |
Free | Free | Rate on request | No. |
| 8504.40.70.07 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, With a power output exceeding |
Free | Free | Rate on request | No. |
| 8504.40.70.12 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, With a power output exceeding |
Free | Free | Rate on request | No. |
| 8504.40.70.18 | Static converters, Power supplies for automatic data processing machines or units thereof of heading 8471; power supplies for goods of subheading 8443.31 or 8443.32; power supplies for monitors of subheading 8528.42 or 8528.52 or projectors of subheading 8528.62, Other, Other | Free | Free | Rate on request | No. |
| 8504.40.85.00 | Static converters, For telecommunication apparatus | Free | Free | 35% | No. |
| 8504.40.95 | Static converters, Other | Free | Free | 35% | — |
| 8504.40.95.10 | Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, With a power output not exceeding |
Free | Free | Rate on request | No. |
| 8504.40.95.20 | Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, With a power output exceeding |
Free | Free | Rate on request | No. |
| 8504.40.95.30 | Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, With a power output exceeding |
Free | Free | Rate on request | No. |
| 8504.40.95.40 | Static converters, Other, Rectifiers and rectifying apparatus, Power supplies, Other | Free | Free | Rate on request | No. |
| 8504.40.95.50 | Static converters, Other, Rectifiers and rectifying apparatus, Other | Free | Free | Rate on request | No. |
| 8504.40.95.71 | Static converters, Other, Inverters, Of a capacity not exceeding 200 W | Free | Free | Rate on request | No. |
| 8504.40.95.73 | Static converters, Other, Inverters, Of a capacity exceeding 200 W but not exceeding 650 W | Free | Free | Rate on request | No. |
| 8504.40.95.75 | Static converters, Other, Inverters, Of a capacity exceeding 650 W but not exceeding 20,000 W | Free | Free | Rate on request | No. |
| 8504.40.95.77 | Static converters, Other, Inverters, Of a capacity exceeding 20,000 W but not exceeding 125,000 W | Free | Free | Rate on request | No. |
| 8504.40.95.78 | Static converters, Other, Inverters, Of a capacity exceeding 125,000 W but not exceeding 1,000,000 W | Free | Free | Rate on request | No. |
| 8504.40.95.79 | Static converters, Other, Inverters, Other | Free | Free | Rate on request | No. |
| 8504.40.95.80 | Static converters, Other, Other | Free | Free | Rate on request | No. |
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 8504.10 | Subheading under Heading 8504 | Compare Subheading 8504.10 → |
| 8504.21 | Subheading under Heading 8504 | Compare Subheading 8504.21 → |
| 8504.22 | Subheading under Heading 8504 | Compare Subheading 8504.22 → |
| 8504.23 | Subheading under Heading 8504 | Compare Subheading 8504.23 → |
| 8504.31 | Subheading under Heading 8504 | Compare Subheading 8504.31 → |
| 8504.32 | Subheading under Heading 8504 | Compare Subheading 8504.32 → |
| 8504.33 | Subheading under Heading 8504 | Compare Subheading 8504.33 → |
| 8504.34 | Subheading under Heading 8504 | Compare Subheading 8504.34 → |
MODULE 13: Industry Classification & Crosswalk Mesh (NAICS & Schedule B)
U.S. Census NAICS Code
U.S. Census Schedule B (Exports)
Official Primary Sources & Authority References
USITC HTS Chapter 85 Tariff Schedule (2026) ↗
Official U.S. 10-digit tariff lines and general duty rates for Static converters.
CBP CROSS Ruling Database (8504.40) ↗
Binding customs classification precedents for Heading 8504.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and United States (USITC HTS) general duty for Static converters?
Under WCO Harmonized System 2022 and United States (USITC HTS), Static converters is classified under HS 8504.40 (Heading 8504, Chapter 85). The representative US MFN general duty rate is Free.
How is HS 8504.40 distinguished within Heading 8504 (Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof)?
Heading 8504 covers Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof. Subheading 8504.40 specifically isolates Static converters. Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 8504.
What are the primary candidate subheadings related to HS 8504.40?
Related subheadings under Heading 8504 include 8504.10, 8504.21, 8504.22, 8504.23, 8504.31, 8504.32, 8504.33, 8504.34. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Static converters?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 8504.40 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of Static converters?
Commercial shipments of Static converters with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 8504.40?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
What U.S. Census NAICS industry code corresponds to HS 8504.40?
HS 8504.40 maps to NAICS code 335314 (Electrical Equipment Manufacturing) under official U.S. Census Bureau trade concordance tables.
Does the United States assess federal VAT or GST on imports of HS 8504.40?
No. The United States does NOT charge a federal Value-Added Tax (VAT) or Goods and Services Tax (GST) on imports. Importers pay customs duty + MPF + HMF (if ocean freight).
How are Merchandise Processing Fee (MPF) and Harbor Maintenance Fee (HMF) calculated?
MPF is assessed at 0.3464% of entered value (min $32.71, max $634.62 per entry). HMF is assessed at 0.125% on ocean freight shipments entering US ports.
What is the Section 321 de minimis duty-free threshold for HS 8504.40?
Under Section 321 (19 U.S.C. 1321), eligible shipments valued at $800 USD or less imported by one person on one day enter duty-free and tax-free.
What U.S. Customs bond requirements apply to commercial entries under HS 8504.40?
Formal entries with customs value exceeding $2,500 USD require a continuous customs entry bond (CBP Form 301) to guarantee payment of duties, taxes, and fees.
What Importer Security Filing (ISF 10+2) rules apply to ocean imports of HS 8504.40?
Ocean container shipments bound for US ports require electronic ISF 10+2 submission via ACE at least 24 hours before loading at foreign ports.
How do USMCA preference rules apply to commercial imports under HS 8504.40?
Qualifying originating goods from Canada or Mexico meeting USMCA tariff-shift or Regional Value Content (RVC) rules enter duty-free under SPI code 'P'.