Siemens Sentron 3WL Air Circuit Breaker from Canada
Air-insulated circuit breaker for medium voltage >1,000 V applications in substations and heavy industry. Falls under 8535.90.80 as other high-voltage switching apparatus. Electronic trip system provides precise fault discrimination.
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
• Include dielectric test reports proving >1,000V insulation capability
• Declare withdrawable/draw-out mechanism details; affects panel compatibility classification