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GE Prolec 4000 kVA Power Transformer for Industrial Plants

Heavy-duty 4000 kVA oil-filled transformer for steel mills and manufacturing facilities, handling 230 kV primary voltage. Meets HTS 8504.22.00 criteria as a liquid dielectric unit with power handling between 650 and 10,000 kVA.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8504.90Lower: 10% vs 35%

If imported without tank enclosure

Core-and-coil assemblies without complete enclosure classified as unfinished transformer parts.

8504.40.60Same rate: 35%

If includes static converters like rectifiers

Transformer-rectifier combinations shift to static converter subheadings.

8503.00.35Higher: 41.5% vs 35%

If other fixed-ratio transformers not primarily power distribution

Specialized fixed-ratio units for particular equipment may use different transformer headings.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Submit short-circuit test reports per IEEE C57.12.91 for high-fault current industrial applications

Specify on-load tap changer (OLTC) voltage range and motor ratings in technical specs

Include gas relay and pressure relief device calibration certificates for safety compliance

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This liquid dielectric transformer uses mineral oil as insulation and has a power handling capacity of 1500 kVA, ideal for utility substations and industrial power distribution. It steps down high-voltage transmission lines to medium voltage for commercial use, falling under HTS 8504.22.00 due to its capacity range exceeding 650 kVA but not over 10,000 kVA.

Siemens GEAFOL 2000 kVA Oil-Filled Pad-Mount Transformer

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