Welding Power Source Control PCA
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete arc welding machine
Fully assembled welders classify under Chapter 85 electrical welding equipment.
If imported with specific machinery
Welder power electronics integral to machine tools classify with the complete equipment.
If transformer-rectifier topology
Non-inverter (line frequency) welder power supplies have different static converter provisions.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Duty cycle rating and open-circuit voltage specs required for safety classification
• AWS certification documentation often needed
• Verify industrial vs hobby welder power ratings
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