Glass Surge Arrester Housing Insulator
Toughened glass housing insulators for porcelain surge arrester cores in lightning protection systems. HTS 8546.10.00.00 classification for the glass shell providing external insulation and housing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fully assembled surge arrester unit
Complete lightning arresters classified as electrical apparatus of heading 8535.
If porcelain surge arrester housings
Traditional porcelain housings use ceramic subheading 8546.20.
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Import Tips & Compliance
• Match housing MCOV rating to arrester core specifications
• Document housing seal pressure and hydrophobicity testing
• Complete arresters assembled under 8535; housings separate as insulators
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