Key facts
- HS subheading
- 8504.21
- Duty (MFN)
- Free
- National lines
- 4
- Tariff
- United States
- 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
Summary
The United States tariff splits HS 8504.21 (liquid dielectric transformers: Having a power handling capacity not exceeding 650 kVA) into 4 national lines: 8504.21.00.20 (having a power handling capacity not exceeding 50 kVA), 8504.21.00.40 (having a power handling capacity exceeding 50 kVA but not exceeding 100 kVA), 8504.21.00.60 (having a power handling capacity exceeding 100 kVA but not exceeding 500 kVA) and 8504.21.00.80 (having a power handling capacity exceeding 500 kVA but not exceeding 650 kVA). Every United States line under 8504.21 is free of general (MFN) duty.
United States lines under 8504.21
The United States tariff splits HS 8504.21 (liquid dielectric transformers: Having a power handling capacity not exceeding 650 kVA) into 4 national lines: 8504.21.00.20 (having a power handling capacity not exceeding 50 kVA), 8504.21.00.40 (having a power handling capacity exceeding 50 kVA but not exceeding 100 kVA), 8504.21.00.60 (having a power handling capacity exceeding 100 kVA but not exceeding 500 kVA) and 8504.21.00.80 (having a power handling capacity exceeding 500 kVA but not exceeding 650 kVA).
Every United States line under 8504.21 is free of general (MFN) duty.
- 8504.21.00.20Having a power handling capacity not exceeding 50 kVADuty: Free
- 8504.21.00.40Having a power handling capacity exceeding 50 kVA but not exceeding 100 kVADuty: Free
- 8504.21.00.60Having a power handling capacity exceeding 100 kVA but not exceeding 500 kVADuty: Free
- 8504.21.00.80Having a power handling capacity exceeding 500 kVA but not exceeding 650 kVADuty: Free
In other countries
No other national tariff on border.bot has live lines under 8504.21 yet.
Frequently asked questions
How many national tariff lines does the United States tariff have under HS 8504.21?
The United States tariff splits HS 8504.21 (liquid dielectric transformers: Having a power handling capacity not exceeding 650 kVA) into 4 national lines: 8504.21.00.20 (having a power handling capacity not exceeding 50 kVA), 8504.21.00.40 (having a power handling capacity exceeding 50 kVA but not exceeding 100 kVA), 8504.21.00.60 (having a power handling capacity exceeding 100 kVA but not exceeding 500 kVA) and 8504.21.00.80 (having a power handling capacity exceeding 500 kVA but not exceeding 650 kVA).
What is the duty on HS 8504.21 in the United States?
Every United States line under 8504.21 is free of general (MFN) duty.
Sources and updates
The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.
This page was last updated on 9 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.
Official source files: