.webp){kind=icon}
HEAT DETECTOR
The Heat Detector FW521 is addressable, intelligent and UL and ULC 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 characteristics.
Capabilities
The FW521 is intelligent, addressable, and takes one address on the Signaling Line Circuit (SLC) of the fire alarm control panel.
Compliance
UL/ULC/FM/FCC Listed
Design
The heat detector has a slim design that combines visual appeal with a high standard of reliability.
The heat fire alarm has a Microcontroller Unit (MCU) performing comprehensive self-diagnostic tests, and result analysis.
Voltage Range: 17.6 to 25.5VDC
Fixed Temperature Rating: 135°F (57.5°C)
Rate-of-Rise Detection: 15°F min. (8.3°C min.)
Ceiling Mounting