Discovery Marine Heat Detector [SIL2]

58000-400MAR

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

Technical specification
General
Warranty
10 year
Applications
  • Dusty environments
  • Large vessels
  • Marine
  • Restaurants
Fire Type
Fast burning, flaming fires
Website Specialist Applications
  • Marine
  • Offshore
Performance
Heat classification
  • A1R
  • A2R
  • A2S
  • CR
  • CS
Alarm level analogue value
55
Mechanical
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
Conformance
Standards
EN 54-5
Approvals
  • BV
  • KRS
  • DNV.GL
  • CCS
  • ABS
  • LR
  • ESC
  • MED
Electrical
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
Quiescent current
400μA
Quiescent current tested at
24V dc
Polarity
L1 & L2 are polarity insensitive
Environmental
Humidity (min)
0% RH
Humidity (max)
95% RH
Humidity Note
no condensation or icing
Humidity
0% to 95% (no condensation or icing)
Operating temperature (min)
-40°C
IP rating Value
IP54
Storage temperature (min)
-40°C
Storage temperature (max)
80°C
Storage temperature
-40 to 80°C
Operating temperature (min)
-40°F
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