Square D EXN-3400-3 400 kVA Energy Efficient Transformer from Canada
Square D EXN3400-3 low-voltage dry-type transformer rated 400 kVA at 480V-208/120V for large commercial facilities. Meets DOE TP1 efficiency standards with 150°C rise. HTS 8504.33.0040 for 50-500 kVA classification.
Duty Rate — Canada → United States
11.6%
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
Import Tips
• NEMA TP2 efficiency test report mandatory for DOE compliance
• Specify BIL (Basic Impulse Level) for overvoltage protection verification
• 400 kVA units need heavy equipment handling instructions