Chapter 85 · Electrical machinery; electronics; sound and TV equipment · Section 16
HS Code 8504.31
Having a power handling capacity not exceeding 1 kVA
Heading 8504: Electrical transformers, static converters (for example, rectifiers) and inductors; parts thereof
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 8504.31
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 |
|---|---|---|---|---|---|
| 8504.31.20 |
Having a power handling capacity not exceeding 1 kVA > Unrated |
Free | - | 35% | No. |
| 8504.31.40 |
Having a power handling capacity not exceeding 1 kVA > Other > Having a power handling capacity less than 1 kVA 2 statistical lines (10-digit)
|
6.6% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
| 8504.31.60 |
Other > Having a power handling capacity less than 1 kVA > Having a power handling capacity of 1 kVA |
1.6% | Free (A,AU,B,BH,C,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 35% | No. |
Estimate the US duty runs in your browser · no caps
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.
European Union - CN codes under 8504.31
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 31 21 | For voltage measurement | EU duty (TARIC) → |
| 8504 31 29 | Other | EU duty (TARIC) → |
| 8504 31 80 | Other | EU duty (TARIC) → |
| 8504 31 00 | Having a power handling capacity not exceeding 1 kVA | EU duty (TARIC) → |
United Kingdom - commodity codes under 8504.31
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 31 00 00 | Having a power handling capacity not exceeding 1 kVA | UK duty & VAT → |
| 8504 31 21 00 | For voltage measurement | UK duty & VAT → |
| 8504 31 21 10 | For use in civil aircraft | UK duty & VAT → |
| 8504 31 21 90 | Other | UK duty & VAT → |
| 8504 31 29 00 | Other | UK duty & VAT → |
| 8504 31 29 10 | For use in civil aircraft | UK duty & VAT → |
| 8504 31 29 90 | Other | UK duty & VAT → |
| 8504 31 80 00 | Other | UK duty & VAT → |
| 8504 31 80 10 | For use in civil aircraft | UK duty & VAT → |
| 8504 31 80 15 | Electrical Transformer with<br> <br><br><br>- a capacity of 192 Watts or 216 Watts<br> <br><br><br>- dimensions of not more than 27,1 x 26,6 x 18 mm<br> <br><br><br>- an operating temperature range of - 40 °C or more, but not more than + 125 °C<br> <br><br><br>- three or four inductively coupled copper wire windings and<br> <br><br><br>- 9 connection pins at the bottom<br> | UK duty & VAT → |
| 8504 31 80 30 | Transformers, having a power handling capacity of not more than 1 kVA for use in the manufacture of static converters and goods of heading 8537 | UK duty & VAT → |
| 8504 31 80 50 | Transformers for use in the manufacture of electronic drivers, control devices and LED light sources for lighting industry | UK duty & VAT → |
| 8504 31 80 90 | Other | UK duty & VAT → |
Nearby codes in heading 8504
The subheadings immediately before and after 8504.31 in chapter 85.
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.
Frequently asked questions
Common questions about HS code 8504.31.
What is HS code 8504.31?
HS code 8504.31 covers: Having a power handling capacity not exceeding 1 kVA. 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 8504.31?
The US general (normal trade relations) rates under this subheading range: Free - 6.6%. 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 8504.31?
The UK extends 8504.31 to 13 declarable 10-digit commodity codes, starting with 8504310000. The full code goes on the UK customs declaration.