Series 65 Heat Detector

Product Overview

The Series 65 Heat Detector monitors temperature by using a dual thermistor network which provides a voltage output proportional to the external air temperature. There are four classes of heat detectors in the Series 65 range designed to suit a wide variety of operating conditions.


  • Can be used for applications where smoke detectors are unsuitable
  • Ideal in environments that are dirty or smokey under normal conditions
  • Wide operating voltage
  • Flashing LED and magnet operated test switch option


Approvals: AS7240.5


Voltage 9-33 VDC
Quiescent current 45μA at 24 VDC
Alarm current 52mA at 24 VDC
Size inc base 100mm Dia x 50mm H
Operating temperature -20°C to +90°C (no icing)
Relative humidity 0 to 95% (non condensing)
IP rating IP23D (EN60529)
Weight inc base 131 grams

Item Numbers

4106-1004 Series 65 A1R (5O°C) Heat Detector (Type A) Rate of Rise
4106-1005 Series 65 BR (65°C) Heat Detector (Type A) Rate of Rise
4106-1006 Series 65 CR (80°C) Heat Detector (Type C) Rate of Rise
4106-1007 Series 65 CS (80°C) Heat Detector (Type D) Static