Fire Alarm Printed Circuit Board Assembly from Mexico
This printed circuit assembly is the core control board for residential smoke and fire detection systems, processing sensor inputs and triggering audible alarms. It is a part of electric sound or visual signalling apparatus of heading 85.31.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the PCA is declared as a part of fire alarm apparatus, not as a complete detector
• Provide technical specifications showing its role in alarm processing
• Verify compliance with Canadian fire safety standards (ULC-S527 or similar)