Schneider Electric Micrologic Trip Unit from Mexico
The Micrologic trip unit is an electronic module for Schneider Electric Masterpact circuit breakers that provides adjustable protection settings for overcurrent and short circuits. It falls under HTS 8538.90.81.20 as a specialized part designed solely for use with automatic circuit breakers in heading 8536. This component integrates microprocessor-based monitoring and tripping functions essential for modern breaker operation.
Duty Rate — Mexico → United States
13.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify the part is explicitly designed for circuit breakers of heading 8536 via manufacturer specs to avoid reclassification as general electrical parts
• Include detailed technical datasheets and compatibility certificates in documentation to prove 'sole or principal use' with automatic circuit breakers