8540.89.00.80/Spark Gap Protective Tube/Japan

Spark Gap Protective Tube from Japan

Gas-filled tube providing overvoltage protection by controlled spark discharge between electrodes. Used in telecom/power systems. HTS 8540.89.00.80 as other gas-filled tubes.

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

• UL/CSA safety certifications mandatory for electrical protection devices

• Specify breakdown voltage and gas fill to avoid semiconductor arrester classification

• Tower lightning protection systems classify under 8538.90