Schneider Electric Masterpact MTZ Air Circuit Breaker from China

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 — China → United States

37%

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
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [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