Discovery Heat Detector

Product Overview

The Discovery Heat Detector, distinguishable by the low airflow resistant case, uses a single thermistor to sense the air temperature around the detector.


  • Ideal in environments that are dirty or smokey under normal conditions.
  • Well suited for warehouses, loading bays and car parks.
  • Unaffected by wind or atmospheric pressure.
  • Remote test feature.



Voltage 17-28 VDC
Quiescent Current 340µA average, 600µA peak
Alarm Current 3.5mA at 24 VDC
Size (inc Base) 100mm Dia x 50mm H
Operating Temperature -40°C to +70°C (no icing)
Relative Humidity 0 to 95% (non condensing)
IP Rating IP54 (indoor use)
Weight (inc Base) 160 grams

Item Numbers

5800-400AMP Discovery Heat Detector