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8538.90.40.00/Bimetallic Disc for Circuit Breaker Thermal Trip/Canada

Bimetallic Disc for Circuit Breaker Thermal Trip from Canada

Snap-action bimetallic disc for thermal-magnetic circuit breakers of HTS 8535.90.40. Warps mechanically at calibrated temperatures to trip breaker mechanism and interrupt power. Two-metal construction provides precise temperature reactivity.

Duty Rate — Canada → United States

13.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Calibrated trip temperature certification required; engineering specs must reference specific breaker models; declare as parts only, not complete apparatus