Discovery Heat Detector

58000-400APO

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

Technical specification
General
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
Default Variant
Yes
Website Categories
Analogue Addressable
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
  • SBSC
  • BOSEC
  • FG
  • VdS
  • LPCB
  • CPR
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
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
Environmental
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
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