SPX Transformer 175 MVA Utility Autotransformer

SPX Transformer Solutions 175 MVA three-winding autotransformer with liquid dielectric cooling for utility load centers. Capacity exceeds 100,000 kVA with advanced cooling radiators. HTS 8504.23.00.80 designation for such large grid assets.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.6%+35.0%36.6%
🇲🇽Mexico1.6%+10.0%11.6%
🇨🇦Canada1.6%+10.0%11.6%
🇩🇪Germany1.6%+10.0%11.6%
🇯🇵Japan1.6%+10.0%11.6%

Alternative Classifications

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

8504.23.00Same rate: 36.6%

If capacity in 100,000-500,000 kVA statistical range

Specific statistical suffix for mid-giant capacity.

8419.89.95Higher: 39.2% vs 36.6%

If classified by primary cooling function

Units where cooling overshadows transformation may shift to Chapter 84.

8504.90Lower: 10% vs 36.6%

If radiator assemblies separate

Cooling components imported independently as parts.

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

Three-winding configuration must be clearly documented to avoid single-winding classification

Sound level test data required for urban substation installations

FR3 fluid documentation for fire-point compliant installations

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