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.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
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.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
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
Related Products under HTS 8546.20.00
Steatite Ceramic Bushing Insulator
A steatite ceramic bushing used in switchgear to insulate conductors passing through enclosures, with threaded metal ends for mounting. HTS 8546.20.00 applies as it is a ceramic electrical insulator for medium-voltage applications.
Zirconia Ceramic Stand-Off Insulator
A high-strength zirconia ceramic stand-off insulator for mounting busbars in electrical panels, resistant to thermal shock. It qualifies under HTS 8546.20.00 as a ceramic electrical insulator for industrial power distribution.
Steatite Ceramic Terminal Block Insulator
Low-voltage steatite ceramic base for terminal blocks in control panels, isolating screw terminals. Classified HTS 8546.20.00 for ceramic electrical insulation preventing short circuits.
Alumina Ceramic Feedthrough Insulator
Hermetically sealed 99.5% alumina ceramic feedthrough for high-vacuum systems, passing conductors while maintaining insulation. HTS 8546.20.00 for this ceramic electrical insulator in RF/microwave applications.
Porcelain Pin-Type Insulator
Traditional porcelain pin insulator for distribution poles (11-33kV), screwed onto wooden crossarms. Ceramic construction qualifies under HTS 8546.20.00 for primary electrical insulation.
Machinable Ceramic Insulator Sleeve
Macor machinable glass-ceramic sleeve insulator for custom electrical standoffs in prototypes. True ceramic composition places it in HTS 8546.20.00 as electrical insulator.