Ferraz Shawmut FWP High Voltage Semiconductor Fuse from Mexico
Ferraz Shawmut FWP series ultra-fast fuses for 2,300 V+ DC circuits protect semiconductor devices in drives and inverters. HTS 8535.10.00.20 due to high-voltage fusing function. Critical for variable frequency drives in manufacturing.
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
• Specify DC vs AC ratings; DC fuses have unique classification risks
• Include I²t values and coordination curves in documentation
• Watch for reclassification if sold with rectifier assemblies