The FW2521 is an intelligent Heat Detector , UL listed device according to UL 521 and ULC-S530 for Fire Protective Signaling Systems for indoor use with both fixed-temperature alarm and rate-of-rise alarm characters.

It features a slim design which combines visual appeal with a high standard of reliability. The detector has a Microcontroller Unit (MCU) performing comprehensive self-diagnostic tests, and result analysis.

Key Features:

-Combined heat detection: Fixed / Rate-of-Rise (ROR)

- Embedded Microcontroller Unit for self-diagnostic tests and result analysis

-Two Led lights allow for 360° viewing

- IP33 rating, with the optimal performance under condensation when using together with MA-BWA-S.