Conventional heat detector has thermal sensor to detect an abnormal high temperature or rate of temperature rise. When temperature change reaches a preset threshold, the detector transmits a zone-level signal to control panel.
Available size
| Operating voltage | Standby current | Alarm current | Heat detection type | Ref. No. |
|---|---|---|---|---|
| 24 VDC | ≤ 0.06 mA | ≤ 55 mA | FT 135°F / ROR | A5201 (UL) |
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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