HS 8504 — Electrical transformers, static converters (for example, rectifiers) and inductors

HS heading 8504 (Electrical transformers, static converters (for example, rectifiers) and inductors) spans 11 products in U.S. import records, with 210,437 bill-of-lading shipments. The most imported are Parts of electrical transformers, static converters (for example, rectifiers) and inductors, Electrical transformers, static converters (for example, rectifiers) and inductors, static converters, and Electrical transformers, static converters (for example, rectifiers) and inductors, other inductors.

Part of Chapter 85: Electrical machinery and equipment; sound and television apparatus

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/8504

Products under this heading

HS	Product	Shipments
850490	Parts of electrical transformers, static converters (for example, rectifiers) and inductors	82,627
850440	Electrical transformers, static converters (for example, rectifiers) and inductors, static converters	67,124
850450	Electrical transformers, static converters (for example, rectifiers) and inductors, other inductors	18,596
850431	Having a power handling capacity not exceeding 1 kVA	17,698
850410	Ballasts for discharge lamps or tubes	6,983
850432	Having a power handling capacity exceeding 1 kVA but not exceeding 16 kVA	4,279
850434	Having a power handling capacity exceeding 500 kVA	4,226
850422	Having a power handling capacity exceeding 650 kVA but not exceeding 10,000 kVA	3,273
850433	Having a power handling capacity exceeding 16 kVA but not exceeding 500 kVA	2,319
850423	Having a power handling capacity exceeding 10,000 kVA	1,672
850421	Having a power handling capacity not exceeding 650 kVA	1,640

Frequently asked questions about HS 8504

What is HS code 8504?

HS 8504 covers electrical transformers, static converters and inductors. It is a 4-digit heading in chapter 85 (Electrical machinery and equipment; sound and television apparatus) of the Harmonized System, with 11 six-digit subheadings that appear in U.S. import records.

How many U.S. import shipments fall under HS 8504?

ImportDoor has 210,437 U.S. Customs bill-of-lading shipment records under HS heading 8504, updated monthly.

What is the most imported product under HS 8504?

Parts of electrical transformers, static converters and inductors (HS 850490) leads with 82,627 shipments, followed by Electrical transformers, static converters and inductors, static converters (HS 850440) and Electrical transformers, static converters and inductors, other inductors (HS 850450).