Addressable heat detector is a loop-connected fire detection device. Equipped with a thermistor sensor, it monitors ambient temperature to detect both fixed temperature and rate-of-rise temperature threshold for fire warning.
Available size
| Operating voltage | Standby current | Alarm current | Heat detection type | Ref. No. |
|---|---|---|---|---|
| 24 VDC | ≤ 0.6 mA | ≤ 1.5 mA | FT 135°F / ROR | A1201 (UL) |
| 24 VDC | ≤ 0.16 mA | ≤ 3.2 mA | FT 135°F / 175°F / ROR | A1211 (UL/FM) |
Note: For heat detection type, it is combination fixed temperature 135°F and rate-of-rise temperature 15°F/min (FT/ROR).
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