Boron Nitride Ceramic High-Voltage Spacer
BN composite ceramic spacer insulator for vacuum interrupters in high-voltage switchgear, low-frequency applications with superior arc resistance. Used in 72.5 kV systems. Under 8546.20.00.60 as other ceramics.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other electrical machines' insulating fittings
Insulating fittings of ceramics for unspecified electrical machines in 8543.70.
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Import Tips & Compliance
• Verify thermal conductivity specs; comply with vacuum sealing standards; prevent classification as circuit breaker parts under 8538
Related Products under HTS 8546.20.00.60
Porcelain High-Voltage Post Insulator
A ceramic post insulator made from high-alumina porcelain, designed for supporting high-voltage conductors in substations operating at low frequencies (50-60 Hz). It features a glazed surface for weather resistance and mechanical strength exceeding 10 kN. Classified under 8546.20.00.60 as a ceramic insulator for high-voltage, low-frequency electrical systems, not specified elsewhere.
Alumina Ceramic Suspension Insulator
High-purity alumina ceramic insulator used in strings for overhead power transmission lines at 132 kV and above, low-frequency AC systems. It provides superior puncture resistance and is capped with forged steel fittings. Falls under HTS 8546.20.00.60 for other ceramic high-voltage, low-frequency insulators.
Steatite Ceramic Strain Insulator
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Cordierite Ceramic Hollow Insulator
Hollow core cordierite ceramic insulator for GIS switchgear in high-voltage substations, low-frequency operations with excellent thermal shock resistance. Used for bushing cores in SF6 environments. Classified in 8546.20.00.60 as other ceramic high-voltage insulators.
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Porcelain Transformer Bushing Insulator
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