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.
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 incorporating metal fittings as complete assemblies
Circuit board assemblies with ceramic mounts may classify under 8538 for parts of electrical apparatus.
If polymer bushings with ceramic inserts
Primary material determines heading; polymer-dominant under 8546.90.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include X-ray fluorescence analysis confirming steatite (magnesium silicate) composition
• Document compliance with NEMA SP 1-2015 for bushing insulators
• Avoid pitfall of 8538 classification if with circuit elements; ship as bare insulators
Related Products under HTS 8546.20.00
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.
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.
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.