Ferraz Shawmut FWP High Voltage Semiconductor Fuse from China
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 — China → United States
37.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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