Multi-Strand Wound Core for Medical Isolation Transformers from Mexico
Wound core using Litz wire multi-strand construction for patient-safe isolation transformers in medical equipment, preventing ground faults. Classified HTS 8504.90.96.42 for wound transformer cores, meeting IEC 60601 leakage current standards.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include IEC 60601-1 certification and dielectric test results mandatory for medical electrical parts
• Declare Litz wire strand count and skin effect mitigation data to justify medical-grade construction
• FDA import alerts common; pre-clear with device listing number before transformer core shipment