Littelfuse Medium Voltage Semiconductor Fuse from Mexico
Square-body fuses protecting variable frequency drives at 6.6kV. While specialized, primarily classified under 8535.10.00 for >1,000V general use unless exclusively semiconductor.
Duty Rate — Mexico → United States
12.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish from 8535.30 by proving general circuit protection, not solely thyristor-specific
• Include soft recovery diode protection ratings if applicable
• Test reports showing ultra-fast clearing times essential