Discovery Marine Optical Smoke Detector

Product Overview

The Discovery Marine Optical Smoke Detector works on the light scatter principle and is ideal for applications where slow-burning or smouldering fires are likely.


  • Responds well to slow-burning, smoldering fires.
  • Well suited for accommodation decks, passages and escape routes.
  • Unaffected by wind or atmospheric pressure.
  • Rejection of transient signals.
  • Remote test feature.
  • Five EN54 approved response modes.


  • ESC
  • MED
  • BV
  • ABS
  • LR
  • KRS
  • DNV.GL
  • CCS
  • ESC


Operating Voltage 17 to 28 V dc
Quiescent Current 300 µA
Alarm Current LED On 3.5 mA 
Dimensions (inc Base) 100mm Dia x 42mm H
Operating Temperature -40°C to +70°C
Relative Humidity 0 to 95% (non-condensing or icing)
IP Rating Designed to IP44
Weight (inc Base) 105 grams

Please Note: All data is supplied subject to change without notice. Specifications are typical at 24V, 23°C and 50% RH unless otherwise stated.

Item Numbers

58000-600MAR Discovery Marine Optical Smoke Detector