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Main Page > Fire Alarm Systems > Addressable Temperature Detectors > 55000-401IMC XP95 Apollo High Temperature Heat Detector
Context Plus 55000-401IMC XP95 Apollo High Temperature Heat Detector

Context Plus 55000-401IMC XP95 Apollo High Temperature Heat Detector
  • Context Plus XP95 temperature (heat) 55000-401IMC detectors have a common profile with ionisation and optical smoke detectors but have a low air flow resistance case made of self-extinguishing white polycarbonate. They monitor temperature by using a single thermistor network which provides a voltage output proportional to the external air temperature.
  • The response to temperature increases of the standard temperature detector (part no: 55000-400IMC) enables the detector to be utilised as an EN54 Grade 2 heat detector.
  • Specifications are the same as those for the standard temperature detector described above, apart from the following points:
  • Detector Type: Fixed Temperature
  • Detector Principles: Linear approximation designed to give 25 counts at 25°C and 55 counts at 90°C Guaranteed
  • Temp. Range (No condensation or icing): -20°C to +120°C
  • Sensitivity: 25°C to 90°C: 2. 17°C / Count -20°C returns 20 counts
Technical Specification

Model - Description :
55000-401IMC - Apollo XP95 High Temperature Detector
Detection principle :
Linear approximation over temperature range 25°C to 90°C
Chamber configuration :
Horizontal optical bench housing an infrared emitter and sensor arranged radially to detect scattered light
Sensor :
Single NTC Thermistor
Sampling frequency
Nominal response threshold value of 0.12 dB/m when measured in accordance with EN 54-7
Supply Wiring
Two wire supply, polarity insensitive
Terminal functions :
L1 & L2 Loop in & out positive +R Remote indicator positive connection (internal 2.2 kΩ resistance to supply +ve) –R Remote indicator negative connection (internal 2.2 kΩ resistance to supply -ve)
Supply voltage :
17 V to 28 V dc
Digital communication :
Wind Speed: Unaffected in fixed temperature use
Modulation Voltage at Detector: 5 to 9 Volts peak to peak
Quiescent current
250µA average, 500µA peak
Power-up surge current

1 mA for 1 second

Alarm indicator
Clear light emitting diode (LED) emitting red light
Alarm LED current
2 mA
Remote LED current
4 mA @5V
Storage temperature
-30°C to +80°C
Operating temperature -20°C to + 70°C
Humidity 0% to 95% RH (no condensation or icing)
Effect of atmospheric pressure Unaffected
Vibration, impact and shock EN 54-5
IP Rating IP53
Standards and approvals* EN 54, CPR, LPCB, VdS, BOSEC, SBSC, CCMG, FG
Dimensions 100 mm diameter x 42 mm height , Detector in Base: 100mm x 50mm
Weight Detector: 105g; Detector in Base: 157g
Materials Housing: White flame-retardant polycarbonate Terminals: Nickel plated stainless steel
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