The Orbis Marine Heat Detector uses a single thermistor to sense the air temperature around the detector.

Product code:ORB-HT-41014-MAR

Kindly contact us for more detail of other type of heat detector as below: 

58000-400MAR Discovery Marine Heat Detector [SIL2]
ORB-HT-41014-MAR Orbis Marine Heat Detector (A2S) – Flashing LED
ORB-HT-41015-MAR Orbis Marine Heat Detector (BR) – Flashing LED
ORB-HT-41017-MAR Orbis Marine Heat Detector (CR) – Flashing LED
ORB-HT-41018-MAR Orbis Marine Heat Detector (CS) – Flashing LED
ORB-HT-41013-MAR Orbis Marine Heat Detector (A1R) – Flashing LED
ORB-HT-41016-MAR Orbis Marine Heat Detector (BS) – Flashing LED
ORB-HT-41006-MAR Orbis Marine Heat Detector (CS)
ORB-HT-41001-MAR Orbis Marine Heat Detector (A1R)
ORB-HT-41002-MAR Orbis Marine Heat Detector (A2S)
ORB-HT-41004-MAR Orbis Marine Heat Detector (BS)
ORB-HT-41003-MAR Orbis Marine Heat Detector (BR)
ORB-HT-41005-MAR Orbis Marine Heat Detector (CR)
ORB-OH-43001-MAR Orbis Marine Multi-Sensor Detector (Optical/Heat)
ORB-OH-43003-MAR Orbis Marine Multi-Sensor Detector (Optical/Heat) – Flashing LED
58000-700MAR Discovery Marine Multi-Sensor Detector (Optical/Heat) [SIL2]
58000-700SIL Discovery Multi-Sensor Detector (Optical/Heat) [SIL2]


Main features and benefits:

  • Can be used for applications where smoke detectors are unsuitable
  • Ideal for environments that are dirty or smoky under normal conditions
  • Flashing LED option

Technical specification: 

  • Warranty: 10 year
  • Applications: Dusty environments, Marine
  • Heat classification: A2S
  • Colour: White
  • Weight: 70g
  • Materials housing: Polycarbonate
  • Product length: 36mm
  • Product diameter: 97mm
  • Product length: 1.42in
  • Product diameter: 3.82in
  • Approvals: CRS, LR, DNV.GL, CCS, BV, ABS, MED
  • Maximum power-up time: <20 seconds
  • Quiescent current: 95μA
  • Quiescent current tested at: 24V dc
  • Polarity: L1 & L2 are polarity sensitive
  • Minimum ‘detector active’ voltage: 6V
  • Holding voltage: 5 to 33V
  • Holding voltage (max): 33V
  • Holding voltage (min): 5V
  • Minimum voltage to light alarm LED: 5V
  • Alarm reset voltage: <1V
  • Alarm reset time: 1s
  • Alarm load: 600Ω
  • Sampling frequency: Once every 4 seconds
  • Humidity (max): 98% RH
  • Humidity (min): 0% RH
  • Humidity Note: no condensation or icing
  • Humidity: 0% to 98% (no condensation or icing)
  • IP rating Value: IP23D

Click on the links below to download the following attachments:

Marine Fire Detection Catalog (page40-47) .pdf