Gas Detector Alarm Interface Board from Mexico
PCA interfacing toxic gas sensors with building alarm systems for audible/visual warnings. Classified under 8531.90.3000 as printed circuit parts of fire/burglar alarm apparatus. Relay outputs for horn/strobe activation.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• NFPA 72 fire alarm system compatibility documentation required
• Specify gas types detected and relay contact ratings
• Complete gas detectors classify under 9027.10 gas analysis apparatus