Square D HU361 Heavy Duty Safety Switch from China

Square D HU361 30A 600V fusible safety disconnect for service entrance equipment. While marked 600V, industrial configurations exceed 1,000V phase-to-phase, fitting HTS 8535.30.00.

Duty Rate — China → United States

37.7%

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 phase-to-phase voltage documentation proving >1,000V system compatibility

UL 98 listing essential for heavy-duty safety switch classification

Avoid generic 'disconnect' labeling; specify 'isolating switch' functionality