Electrical transformers, static converters (for example, rectifiers) and inductors, static converters (HS 850440)
Electrical transformers, static converters (for example, rectifiers) and inductors, static converters (HS 850440) has 58,423 U.S. import bill-of-lading shipment records between Dec 2018 and Jul 2026. The largest U.S. importer of Electrical transformers, static converters (for example, rectifiers) and inductors, static converters is SMA AMERICA LLC, with 1,524 shipments, followed by CYBER POWER SYSTEMS USA INC and DELTA ELECTRONICS AMERICAS LTD. The leading supplier is DELTA ELECTRONICS THAILAND PUBLIC CO LTD, with 2,292 shipments, followed by SMA SOLAR TECHNOLOGY AG and CYBER POWER SYSTEMS INC. Goods originate mainly from CHINA and TAIWAN, arriving primarily at LOS ANGELES, CA. Import volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Electrical transformers, static converters (for example, rectifiers) and inductors, static converters (HS 850440), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is SMA SOLAR TECHNOLOGY AG → SMA AMERICA LLC with 1,522 shipments, followed by CYBER POWER SYSTEMS INC → CYBER POWER SYSTEMS USA INC (759) and DELTA ELECTRONICS THAILAND PUBLIC CO LTD → DET LOGISTICS USA CORP (527).
Top U.S. importers
| Importer | Shipments |
|---|---|
| SMA AMERICA LLC | 1,524 |
| CYBER POWER SYSTEMS USA INC | 1,064 |
| DELTA ELECTRONICS AMERICAS LTD | 882 |
| SOLAREDGE TECHNOLOGIES INC | 875 |
| ABB INC | 852 |
Top suppliers
| Supplier | Shipments |
|---|---|
| DELTA ELECTRONICS THAILAND PUBLIC CO LTD | 2,292 |
| SMA SOLAR TECHNOLOGY AG | 1,594 |
| CYBER POWER SYSTEMS INC | 830 |
| DELTA ELECTRONICS INC | 733 |
| VOLTRONIC POWER TECHNOLOGY CORP | 706 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 17,837 |
| TAIWAN | 6,462 |
| VIET NAM | 5,323 |
| HONG KONG | 4,769 |
| GERMANY | 4,386 |
| THAILAND | 3,344 |
| PHILIPPINES | 2,676 |
| INDIA | 2,189 |
| ITALY | 1,257 |
| JAPAN | 1,194 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 16,703 |
| LONG BEACH, CA | 12,057 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 7,971 |
| HOUSTON, TX | 3,780 |
| OAKLAND, CA | 3,257 |
| SAVANNAH, GA | 3,147 |
| TACOMA, WA | 2,887 |
| CHARLESTON, SC | 1,888 |
| NORFOLK, VA | 1,789 |
| SEATTLE, WA | 925 |
Harmonized System classification
HS code 850440 — Electrical transformers, static converters (for example, rectifiers) and inductors, static converters. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
Frequently asked questions about importing Electrical transformers, static converters (for example, rectifiers) and inductors, static converters
Who imports Electrical transformers, static converters (for example, rectifiers) and inductors, static converters (HS 850440)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Electrical transformers, static converters (for example, rectifiers) and inductors, static converters include SMA AMERICA LLC, CYBER POWER SYSTEMS USA INC, DELTA ELECTRONICS AMERICAS LTD, SOLAREDGE TECHNOLOGIES INC, and ABB INC.
Who is the largest U.S. importer of Electrical transformers, static converters (for example, rectifiers) and inductors, static converters?
SMA AMERICA LLC is the largest U.S. importer of Electrical transformers, static converters (for example, rectifiers) and inductors, static converters (HS 850440), with 1,524 bill-of-lading shipment records.
Who are the top suppliers of Electrical transformers, static converters (for example, rectifiers) and inductors, static converters?
Leading suppliers shipping Electrical transformers, static converters (for example, rectifiers) and inductors, static converters (HS 850440) to the U.S. include DELTA ELECTRONICS THAILAND PUBLIC CO LTD, SMA SOLAR TECHNOLOGY AG, CYBER POWER SYSTEMS INC, DELTA ELECTRONICS INC, and VOLTRONIC POWER TECHNOLOGY CORP.
How many U.S. shipments of Electrical transformers, static converters (for example, rectifiers) and inductors, static converters are there?
ImportDoor has 58,423 U.S. import shipment records under HS code 850440, spanning Dec 2018 to Jul 2026.
Where is Electrical transformers, static converters (for example, rectifiers) and inductors, static converters imported from?
Electrical transformers, static converters (for example, rectifiers) and inductors, static converters is imported into the U.S. primarily from CHINA, TAIWAN, and VIET NAM.
Find Electrical transformers, static converters (for example, rectifiers) and inductors, static converters importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 850440, with contact details and container-level shipment records on ImportDoor.
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