Ceramic Breaker Base Insulator
Ceramic base insulators for vacuum circuit breakers, supporting live components while isolating from enclosure. Molded with stainless steel inserts for mounting bolts. HTS 8547.10.80.00 for ceramic insulating fittings of electrical apparatus.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If breaker mechanical parts
Circuit breaker parts imported assembled classify under heading 8536.
If connector insulating fittings
Terminal block insulators may classify under electrical connector fittings.
If refractory supporting shapes
High-temperature refractory ceramics classify under Chapter 69.
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Import Tips & Compliance
• Seismic qualification testing for US utilities; arc resistance >180s documentation; ensure proper classification vs assembled breakers under 8536
Related Products under HTS 8547.10.80.00
Ceramic Disconnect Switch Insulator
Ceramic base insulators for high-voltage disconnect switches, supporting live parts while isolating from operating mechanism. Precision metal inserts for pin mounting. Classifies under HTS 8547.10.80.00 as ceramic electrical apparatus fittings.
Ceramic Bushing Insulator
High-voltage ceramic bushing insulators used in electrical transformers and switchgear, made entirely of insulating ceramic material with minor metal threaded inserts for assembly. These fittings provide electrical insulation between conductors and grounded metal parts. Classified under HTS 8547.10.80.00 as other ceramic insulating fittings apart from heading 8546 insulators.
Ceramic Motor End Cap Insulator
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Ceramic Cable Terminal Bushing
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Ceramic Phase Barrier Insulator
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Ceramic Transformer Spacer
Precision ceramic spacers maintaining winding separation in distribution transformers, with embedded metal pins for positioning. Critical for preventing short circuits under oil immersion. HTS 8547.10.80.00 as other ceramic insulating fittings for electrical equipment.