Square D EXN-3400-3 400 kVA Energy Efficient Transformer from Japan
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 — Japan → United States
26.6%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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