Silicon Carbide Ceramic Surge Arrester Insulator
SiC valve block housing ceramic insulator for 132 kV surge arresters in low-frequency grids, pressure relief type. Provides non-linear voltage-current characteristics. Fits 8546.20.00.60 as other high-voltage ceramics.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when imported as complete lightning arrester assembly
Fully functional surge arresters with insulators are apparatus of heading 8535.
If refractory grade without electrical grading
Plain refractory SiC products without insulator design are in Chapter 69.
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Import Tips & Compliance
• Certify per IEC 60099-4; declare MOV disk integration if applicable; avoid 8535 classification for complete arresters
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