BRK 9120B Hardwired Smoke Alarm with Battery Backup from Japan
120V hardwired ionization/photoelectric combo smoke detector with 9V battery backup and first-alert signal. Under HTS 8531.10.00.25 as 'other' despite dual tech, since not purely ionizing. Interconnects up to 18 units with silence feature.
Duty Rate — Japan → United States
11.3%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Dual-tech requires both UL photoelectric and ionization certifications documented
• Declare exact interconnection protocol (3-3 signal) to prevent panel classification