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8547.10.80.00/Ceramic Phase Barrier Insulator/Japan

Ceramic Phase Barrier Insulator from Japan

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.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Specify tracking resistance (CTI >600); provide flashover voltage test data; ensure compliance with NEMA/ANSI standards for US electrical codes