Marine Intelligent Base Mounted IR3 Flame Detector

Product Overview

The Marine Intelligent Base Mounted Triple Infra-Red (IR3) Flame Detectors are designed to protect indoor areas where open fires may be present.

The detector is sensitive to low frequency, flickering IR radiation emitted by flames during combustion. Since it responds to flickering radiation the detector can operate even if the lens is contaminated by a layer of oil, dust, water-vapour or ice.


  • Responds to stationary flames with no flicker.
  • Sensitive to low-frequency flickering IR radiation emitted by flames during combustion.
  • A compact flame detector that fits into Discover Marine Bases.
  • Loop powered.
  • False alarm due to factors such as flickering sunlight is avoided by a combination of filters and signal processing techniques. 


  • MED
  • ABS


Operating Voltage 17 – 28 V dc
Quiescent Current 2.5 mA
Alarm Current 4.2 mA
Field of View 90° Cone
Dimensions 100mm Dia x 40mm H
Operating Temperature -40°C to +70°C
Relative Humidity 95% (no condensing or icing)
IP Rating Designed to IP66
Weight (inc Base) 150 grams

Please Note: All data is supplied subject to change without notice. Specifications are typical at 24 V, 25°C and 50% RH unless otherwise stated.

Item Numbers

55000-029MAR Marine IR3 Flame Detector