Siemens Sentron Arc Chute Assembly from Mexico
Siemens Sentron arc chute for molded case circuit breakers in panelboards, made of steel grids and insulating plates to extinguish arcs during fault interruption. Designed exclusively for Sentron breaker series under heading 8536. Classified as other switchboard parts in 8538.90.81.60.
Duty Rate — Mexico → United States
13.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Supply arc chute dimension drawings matching specific ampere-rated breakers to demonstrate principal use
• UL 489 component recognition (File E80452) documentation prevents classification as general machine parts