Schneider Electric Masterpact MTZ Air Circuit Breaker from Japan
Masterpact MTZ is a high-performance air circuit breaker rated 6300A at 1000V DC/690V AC for heavy industrial applications like mining operations. It qualifies under HTS 8535.29.00 as 'other' automatic circuit breakers for voltages over 1,000V with microprocessor-based protection.
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
• Provide IEC 60947-2 compliance certification; U.S. customs requires proof of high-voltage specifications
• For DC-rated breakers, submit polarity and voltage documentation to distinguish from AC-only models