Mercury Arc Rectifier Gas Tube from Mexico
A mercury arc rectifier tube converts AC to DC using ionized mercury vapor in a vacuum envelope, historically used in industrial power supplies. Though largely obsolete, it remains classified as a gas-filled electron tube under this tariff item.
Duty Rate — Mexico → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Classify the tube as a vapor-filled electron tube
• Ensure mercury content complies with Canadian environmental regulations
• Provide historical or technical documentation to support classification