Marathon Blue Max 3-Phase Inverter Duty Motor
Marathon inverter-rated 3-phase motor 460V, 1 HP (746W) for VFD applications. Classified HTS 8501.51.4040 as standard multi-phase AC motor despite inverter duty design. Wide constant torque speed range.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with integral VFD
Complete variable speed drive units classified separately.
If air handling fans
Motors designed exclusively for fans classified as fan parts.
Not sure which classification is right?
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Import Tips & Compliance
• Inverter duty certification (NEMA MG-1 Part 31) required for proper classification
• Declare carrier frequency range and harmonic filtering capabilities
• Voltage spike protection docs prevent 8504 generator confusion
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