Backup Battery Alarm Sounder from Canada
Rechargeable standby sounder activates during power failure for continuous fire alerting. HTS 8531.80.90.51 for electric sound signaling with backup power feature. 12V sealed lead-acid.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• DOT exemption for small batteries; test charge cycles
• UL 1971 for signaling devices with batteries
• Declare runtime hours to justify backup classification