Welding Power Source Control PCA from Mexico
Printed circuit assembly for inverter-based MIG/TIG welders with IGBT bridge drivers, arc voltage feedback, and wire feed synchronization circuits. Converts single-phase AC to high-frequency DC then controlled AC welding output. HTS 8504.90.75.00 for industrial static converters.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Duty cycle rating and open-circuit voltage specs required for safety classification
• AWS certification documentation often needed
• Verify industrial vs hobby welder power ratings