Spark Gap Gas Switch Tube from Canada
Pressurized gas spark gap tubes provide fast high-voltage switching for pulse power systems and lightning protection. The controlled gas breakdown voltage enables precise switching, under HTS 8540.89.0020.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Pressure vessel certification required for gas containment specs
• Breakdown voltage vs. pressure curve documentation essential
• Lightning protection end-use may require special certifications