Ceramic Phase Barrier Insulator
Ceramic phase barriers used in medium-voltage switchgear to separate electrical phases, molded with minor metal fixing points. Essential for arc flash prevention and phase-to-phase insulation. Classified HTS 8547.10.80.00 as insulating fittings wholly of ceramics.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If control panels over 1kV
Insulating barriers imported as integral parts of complete control panels classify under heading 8537.
If laboratory ceramic ware
Lower-voltage ceramic supports may classify as laboratory porcelain ware under Chapter 69.
If thermoplastic barriers
Plastic phase barriers function identically but classify under plastics heading 3926.
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Import Tips & Compliance
• Specify tracking resistance (CTI >600); provide flashover voltage test data; ensure compliance with NEMA/ANSI standards for US electrical codes
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
Ceramic end cap insulating fittings for electric motors, preventing electrical contact between rotor and stator windings. Features molded-in metal sockets for bolt assembly while maintaining full insulation properties. Falls under HTS 8547.10.80.00 as ceramic insulating fittings for electrical machines.
Ceramic Cable Terminal Bushing
Ceramic bushings for cable terminations in electrical panels and switchboards, lined with insulating material and featuring minor metal threading for assembly. Provides insulation for high-current connections up to 35kV. HTS 8547.10.80.00 covers these as other ceramic insulating fittings.
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.
Ceramic Capacitor Mounting Insulator
Ceramic mounting bases for high-voltage power capacitors in substations, featuring threaded metal inserts for secure assembly. Ensures electrical isolation from mounting structures. Covered by HTS 8547.10.80.00 for ceramic insulating fittings.