9027.90.56.30/Chopper Wheel Motor Assembly/Mexico

Chopper Wheel Motor Assembly from Mexico

Precision DC motor with infrared chopper wheel for lock-in amplification in monochromator-based spectrometers (9027.30.40). Modulates light source for signal detection. Electrical modulation component under 9027.90.56.30.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Specify chopper frequency, blade count, and compatible detection systems

• Document electrical specifications (RPM, voltage) and thermal management features

• Include vibration isolation specifications proving analytical instrument quality