Schneider Electric Micrologic Trip Unit from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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