Ignitron Mercury Arc Rectifier Tube from United States
An ignitron is a large mercury arc rectifier tube used for high-current DC power conversion in industrial applications. It operates via a cathode pool and an ignition electrode, and is classified here as an 'other' mercury vapor-filled tube.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the tube is a mercury arc rectifier, not a semiconductor rectifier, to stay under this item
• Provide documentation on the mercury content and ensure compliance with environmental regulations
• Check if the tube requires special handling permits due to mercury