What is HS code 8504.40?

HS code 8504.40 covers: Static converters. It belongs to chapter 85 (Electrical machinery; electronics; sound and TV equipment) of the Harmonized System.

What is the US import duty for HS code 8504.40?

The US general (normal trade relations) rates under this subheading range: Free. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.

What is the UK commodity code for 8504.40?

The UK extends 8504.40 to 16 declarable 10-digit commodity codes, starting with 8504400000. The full code goes on the UK customs declaration.

Chapter 85 · Electrical machinery; electronics; sound and TV equipment · Section 16

HS Code 8504.40

Static converters

Heading 8504: Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof

US duty (general)

Free

US HTS lines

EU CN codes

UK commodity codes

Unit

No.

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 8504.40

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS code	Description	General	Special	Other	Unit
8504.40.40	Speed drive controllers for electric motors	Free	-	35%	No.
8504.40.60	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 4 statistical lines (10-digit) 8504.40.60.01 - With a power output not exceeding 50 W 8504.40.60.07 - With a power output exceeding 50 W but not exceeding 150 W 8504.40.60.12 - With a power output exceeding 150 W but not exceeding 500 W 8504.40.60.18 - Other	Free	-	35%	No.
8504.40.70	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 4 statistical lines (10-digit) 8504.40.70.01 - With a power output not exceeding 50 W 8504.40.70.07 - With a power output exceeding 50 W but not exceeding 150 W 8504.40.70.12 - With a power output exceeding 150 W but not exceeding 500 W 8504.40.70.18 - Other	Free	-	35%	No.
8504.40.85	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 > For telecommunication apparatus	Free	-	35%	No.
8504.40.95	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 12 statistical lines (10-digit) 8504.40.95.10 - With a power output not exceeding 50 W 8504.40.95.20 - With a power output exceeding 50 W but not exceeding 150 W 8504.40.95.30 - With a power output exceeding 150 W but not exceeding 500 W 8504.40.95.40 - Other 8504.40.95.50 - Other 8504.40.95.71 - Of a capacity not exceeding 200 W 8504.40.95.73 - Of a capacity exceeding 200 W but not exceeding 650 W 8504.40.95.75 - Of a capacity exceeding 650 W but not exceeding 20,000 W 8504.40.95.77 - Of a capacity exceeding 20,000 W but not exceeding 125,000 W 8504.40.95.78 - Of a capacity exceeding 125,000 W but not exceeding 1,000,000 W 8504.40.95.79 - Other 8504.40.95.80 - Other	Free	-	35%	No.

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Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

Customs value (USD) Quantity (No.)

European Union - CN codes under 8504.40

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN code	Description
8504 40 60	Accumulator chargers	EU duty (TARIC) →
8504 40 87	Other	EU duty (TARIC) →
8504 40 84	With maximum power point tracking functionality	EU duty (TARIC) →
8504 40 95	Other	EU duty (TARIC) →
8504 40 83	Rectifiers	EU duty (TARIC) →
8504 40 00	Static converters	EU duty (TARIC) →

United Kingdom - commodity codes under 8504.40

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity code	Description
8504 40 00 00	Static converters	UK duty & VAT →
8504 40 60 00	Accumulator chargers	UK duty & VAT →
8504 40 60 10	For use in civil aircraft	UK duty & VAT →
8504 40 60 90	Other	UK duty & VAT →
8504 40 83 00	Rectifiers	UK duty & VAT →
8504 40 83 10	For use in civil aircraft	UK duty & VAT →
8504 40 83 90	Other	UK duty & VAT →
8504 40 84 00	With maximum power point tracking functionality	UK duty & VAT →
8504 40 84 10	For use in civil aircraft	UK duty & VAT →
8504 40 84 90	Other	UK duty & VAT →
8504 40 87 00	Other	UK duty & VAT →
8504 40 87 10	For use in civil aircraft	UK duty & VAT →
8504 40 87 90	Other	UK duty & VAT →
8504 40 95 00	Other	UK duty & VAT →
8504 40 95 10	For use in civil aircraft	UK duty & VAT →
8504 40 95 90	Other	UK duty & VAT →

Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 8504

8504.00 8504 Electrical transformers, static converters (for example, rectifiers) and inductors 8504.10 Ballasts for discharge lamps or tubes 8504.21 Having a power handling capacity not exceeding 650 kVA 8504.22 Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA 8504.23 Having a power handling capacity exceeding 10,000 kVA 8504.31 Having a power handling capacity not exceeding 1 kVA 8504.32 Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA 8504.33 Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA 8504.34 Having a power handling capacity exceeding 500 kVA 8504.40 Static converters 8504.50 Other inductors 8504.90 Parts

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.