The Discovery Heat Detector features a low air flow resistance case and a single thermistor to sense the air temperature around the detector.

Product code: 58000-400APO


Main features and benefits:

  • Reliable fire detection in areas with a very wide temperature range from -40°C to +70°C
  • Five operating modes suitable for a range of application temperatures
  • Ideal for environments that are dirty or smoky under normal circumstances
  • Drift compensation to ensure constant sensitivity
  • Remote test feature

Technical specification: 

  • Warranty: 10 year
  • Applications: Car parks/loading bays, Dusty environments, Hospitals, Hotels, Medium to large buildings, Offices, University campuses, Warehouses
  • Fire Type: Fast burning, flaming fires
  • Colour: White
  • Sensor configuration: Exposed heat sensing thermistor.
  • Weight: 105g
  • Materials housing: Polycarbonate
  • Materials terminals: Nickel plated stainless steel
  • Product length: 42mm
  • Product diameter: 100mm
  • Detection principle: Temperature sensitive resistance.
  • Product length: 1.65in
  • Product diameter: 3.94in
  • Standards: EN 54-5
  • Approvals: SBSC, BOSEC, FG, VdS, LPCB, CPR, MED
  • Protocol voltage (min): 5V
  • Protocol voltage (max): 9V
  • Protocol voltage: 5 to 9V peak to peak
  • Power-up surge current: 1mA
  • Maximum power-up time: 10 seconds
  • Status indicator – Alarm: Red
  • Quiescent current: 350μA
  • Quiescent current tested at: 24V dc
  • Terminal functions L2: +L2 Loop in & out positive, double terminal
  • Terminal functions L1 in: +L1 in Loop in & out, double terminal
  • Terminal functions +R: +R Remote indicator positive connection
  • Terminal functions -R: -R Remote indicator negative connection
  • Polarity: L1 & L2 are polarity insensitive
  • Humidity (min): 0% RH
  • Humidity (max): 95% RH
  • Humidity Note: no condensation or icing
  • Humidity: 0% to 95% (no condensation or icing)
  • IP rating Value: IP44
  • Storage temperature (min): -40°C
  • Storage temperature (max): 80°C
  • Storage temperature: -40 to 80°C

Click on the links below to download the following attachments:

Marine Fire Detection Catalog (page40-47) .pdf