Stamford MX341 450 kVA Brushless Alternator from Japan
Stamford MX341 is a brushless AC alternator rated at 450 kVA, used in standby and prime power generator sets for data centers. It qualifies for HTS 8501.63.01.00 due to its alternating current generation capability within the specified 375-750 kVA output range.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide ISO 8528 performance test reports to validate output claims during customs review
• Label with clear voltage, phase, and kVA ratings per NEC requirements for electrical imports
• Separate shipping manifests for alternator vs base frame to prevent generating set classification