GE Prolec 120 MVA GSU Transformer
GE Prolec Generator Step-Up (GSU) transformer with 120 MVA capacity, oil-cooled for power plant applications exceeding 100,000 kVA threshold. It connects generators to transmission lines with high efficiency. Fits HTS 8504.23.00.80 for its liquid dielectric and extreme power rating.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If power capacity 10,000-100,000 kVA
Intermediate capacity range has dedicated statistical suffix.
If imported as core-and-coil assemblies without tank
Incomplete transformers lacking enclosure classified as parts.
If primarily functioning as gas turbine turbo-generator component
Integrated power generation equipment may shift to Chapter 84.
Not sure which classification is right?
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Import Tips & Compliance
• Provide DOE efficiency standards compliance docs, as large transformers face energy regulations
• Label dielectric fluid composition clearly; certain oils require EPA import notifications
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