S&C Electric Company SM-4 Fuse from Canada
S&C SM-4 fuses provide 23kV fault protection for distribution transformers with precise coordination curves. This utility-grade fuse falls under HTS 8535.10.00.40 as other high-voltage fuses.
Duty Rate — Canada → United States
12.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide utility specification sheets showing coordination with upstream devices
• Document exact mounting dimensions for cutout compatibility