Porcelain Transformer Bushing Insulator

C-130 class porcelain bushing for oil-immersed power transformers rated 115 kV, low-frequency 60 Hz service. Features alternating petticoat sheds for contamination resistance. Under 8546.20.00.60 as other ceramic high-voltage insulators.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3%+35.0%38%
🇲🇽Mexico3%+10.0%13%
🇨🇦Canada3%+10.0%13%
🇩🇪Germany3%+10.0%13%
🇯🇵Japan3%+10.0%13%

Alternative Classifications

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

8504.40.70Lower: 35% vs 38%

If imported as static converter power supply component

Parts of static converters including insulators may fall under 8504 if integral to that apparatus.

8548.00.00.00Lower: 35% vs 38%

If fully assembled with conductor through-passage

Complete ceramic electrical bushings with fittings are in 8548.10.

Not sure which classification is right?

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Import Tips & Compliance

Include IEEE C57.19 test reports; specify oil-end vs air-end design; prevent misdeclaration as complete bushings under 8548

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