SFS Photoelectric Smoke Detector with Voice Alert

- Photoelectric smoke detection: The SFS SD-520BL/H combines smoke sensing, audible warnings, and voice notifications.

- Reliable power: Operates on 120V AC with a sealed CR17450 lithium backup battery, featuring a specified 10-year battery and product life.

- Hardwired interconnection: Supports coordinated audible warnings across compatible interconnected alarms; units responding to an interconnected signal sound without voice prompts.

- Bilingual fire announcements: Delivers “Fire!” and “Incendie!” voice alerts alongside an 85 dB(A) alarm rated at 10 feet.

- SMART HUSH control: Temporarily silences a confirmed nuisance alarm for approximately eight minutes; excessive smoke prevents silencing.

- Convenient testing: Integrated TEST/SILENCE button supports weekly verification of alarm operation.

- Clear status indicators: Red, green, and yellow LEDs identify power status, alarm activity, low battery, sensor faults, and end of life.

- Alarm memory: Indicates a previous alarm for approximately 72 hours, with voice recall of the historical alarm count when the button is pressed.

- Replacement notifications: Audible and voice warnings identify low battery, sensor error, and end of life. These conditions require replacement of the complete unit.

- Flexible installation: Suitable for ceiling or wall mounting, with a white housing measuring 155 mm in diameter by 41.8 mm deep.

- Certification: The datasheet identifies ETL certification, conformity to UL 217, 10th Edition, and certification to ULC 531, 5th Edition.

- Included accessories: Mounting bracket, plug assembly, screws, expansion plugs, dust cap, and English–French bilingual instruction manual.