Silicon Carbide Surge Arrester Insulator
Porcelain housing for silicon carbide surge arresters protecting transformers from lightning, with high puncture resistance. Falls under HTS 8546.20.00 as the ceramic electrical insulator body.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete surge arrester assemblies
Finished lightning arresters with valves classify under 8535.
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Import Tips & Compliance
• Include housing pressure relief test per ANSI/IEEE C62.11
• Separate varistor cores if imported assembled to avoid 8535 classification
• Declare MCOV rating clearly
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