Transformer Temperature Sensor Mount from Canada
Bimetallic thermal mounts with embedded thermocouples specifically positioned for transformer hot-spot temperature monitoring. Classified under HTS 8504.90.96.46 as other transformer parts for thermal protection function. Critical for preventing thermal runaway failures.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Thermal response time specifications and mounting position diagrams required
• Material expansion coefficients and temperature range ratings must be documented
• General sensor housings classify under Chapter 90 without transformer specificity