Protectowire CTI-155


Linear Heat Detector Cable, Alarm Temp 155F(68C)

Availability: Estimated 6 - 8 Business Days

  • Factory New
Brand: Protectowire Part #: 80983 Categories: , , Manufacturer Part #: CTI-155 Tags: ,


Protectowire CTI Linear Heat Detectors are approved as heat actuated automatic fire detectors and are intended to be interfaced to a supervised initiating circuit with an approved fire protective signaling control unit. The detectors must be installed in continuous runs without taps or branches in accordance with applicable sections of NFPA 70 National Electrical Code, NFPA 72 National Fire Alarm Code, or as determined by the local authority having jurisdiction.


Weight 5.00 lbs



Confirmed Temperature Initiation Linear Heat Detectors
Protectowire – Data Sheet


  • Uses advanced multi-sensor detection for highest immunity to false alarms.
  • Measures and confirms the temperature at the alarm point to provide true Confirmed Temperature Initiation (CTI).
  • Includes reliable digital operation with separate short circuit fault identification.
  • Distinguishes between short circuits and true alarm conditions.
  • Identifies and displays the location of an overheat or fire condition anywhere along its length when used with a Protectowire Alarm Point Location Meter.
  • Meets intrinsically safe standards and is FM Approved for Class I, II and III, Division 1, Groups A, B, C, D, E, F and G when used with required equipment.
  • Is manufactured under U.S. Patent 8,096,708 and has patents in many countries around the world.


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