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ActiV High 75ºC Fixed Temp. Heat Detector


  • A high-quality Type B high fixed temperature (75ºC) heat detector offering outstanding detection performance at a very competitive price.
  • Manufactured by C-TEC in the UK.
  • Third-party certified to EN54-5 by Intertek.
  • Wide 6-33V DC operating voltage.
  • Two 8mm x 2mm ultra-bright red LED indicating strips offering 360º visibility.
  • Compatible with our ActiV C4408D diode, C4408 non-diode and C4408R relay bases.


Approvals/certifications Certified to EN54-5 by Intertek (0359-CPR-00183).
Application/operation Generates an alarm condition when it detects a temperature of between 69ºC & 85ºC.
Application temperature 40°C typical, 65°C max.
Static response temperature 69°C typical, 85°C max.
Supply wiring 2-wire monitored, polarity sensitive.
Supply/operating voltage 9 to 33V DC.
Quiescent current 30µA @ 24 VDC.
Alarm voltage 6-33V DC.
Alarm current 19mA @ 12-33V DC; 11mA @ 9V DC; 2.5mA@ 6V DC.
Alarm reset voltage Less than 1V DC (+0.5 seconds alarm reset time).
Expansion connections Remote LED output available via ActiV base. Current source to the negative line, short-circuit protected. Max voltage 2.7V DC.
Product dimensions (mm) 102.2mm diameter x 37mm deep (detector in base); 102.2mm diameter x 57.5mm deep.
Construction & finish White polycarbonate casing rated to UL94 V-2 with nylon parts.
IP Rating IP42.
Weight 99g.


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