ABB ACS800 Industrial Rotary Frequency Converter from Japan
This electric rotary converter from ABB converts fixed-frequency AC power to variable-frequency AC power for precise control of industrial motors in manufacturing plants. It functions by using a rotating electromagnetic field to achieve frequency conversion, distinctly classifying it under HTS 8502.40 as an electric rotary converter rather than static electronic drives.
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
• Obtain FCC certification and comply with UL or equivalent safety standards for electrical equipment to avoid customs holds
• Provide detailed technical specs confirming rotary mechanism (e.g
• slip-ring rotor) to distinguish from static VFDs under 8504
• Include motor ratings and efficiency data in documentation to prevent misclassification as generators