Littelfuse Medium Voltage Semiconductor Fuse from Canada
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 — Canada → United States
12.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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