HS code 8535.21: Automatic circuit breakers, for a voltage of less than 72.5 kV
Last updated
Key facts
- HS code
- 8535.21
- Covers
- Automatic circuit breakers, for a voltage of less than 72.5 kV
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 8535.21 covers automatic circuit breakers, for a voltage of less than 72.5 kV. It sits in heading 85.35 (electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, fuses, lightning arresters, voltage limiters, surge suppressors, plugs and other connectors, junction boxes), for a voltage exceeding 1,000 volts) in chapter 85 (electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles). Other goods of heading 85.35 are classified under 8535.10 (fuses), 8535.29 (automatic circuit breakers, other), 8535.30 (isolating switches and make-and-break switches), 8535.40 (lightning arresters, voltage limiters or surge suppressors) and 1 other. National tariff lines under 8535.21 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 8535.21 covers automatic circuit breakers, for a voltage of less than 72.5 kV.
The legal text of the subheading is “Automatic circuit breakers: For a voltage of less than 72.5 kV”, read under “Automatic circuit breakers”, in HS2022.
What it doesn’t cover
Other goods of heading 85.35 are classified under 8535.10 (fuses), 8535.29 (automatic circuit breakers, other), 8535.30 (isolating switches and make-and-break switches), 8535.40 (lightning arresters, voltage limiters or surge suppressors) and 1 other.
How it is structured
8535.21 is a six-digit subheading. Its first two digits, 85, are the chapter; the first four, 8535, are heading 85.35; the last two, 21, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Within the heading
- Automatic circuit breakers
- Subheading 8535.21
- For a voltage of less than 72.5 kV
In other countries
National tariff lines under 8535.21 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 8535.21 cover?
HS code 8535.21 covers automatic circuit breakers, for a voltage of less than 72.5 kV.
Which heading and chapter is HS code 8535.21 in?
HS code 8535.21 is in heading 85.35 (electrical apparatus for switching or protecting electrical circuits, or for making connections to or in electrical circuits (for example, switches, fuses, lightning arresters, voltage limiters, surge suppressors, plugs and other connectors, junction boxes), for a voltage exceeding 1,000 volts) in chapter 85 (electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles).
Where are goods of heading 85.35 classified when 8535.21 doesn’t fit?
Other goods of heading 85.35 are classified under 8535.10 (fuses), 8535.29 (automatic circuit breakers, other), 8535.30 (isolating switches and make-and-break switches), 8535.40 (lightning arresters, voltage limiters or surge suppressors) and 1 other.
Which countries’ tariffs list national lines under HS code 8535.21?
National tariff lines under 8535.21 are live on border.bot for the United States (1 line, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.