Protectowire CTI-155-EPC (500 feet)


CTI Linear Heat Detector; Multi-Purpose/ Commercial & Industrial Applications, Alarm Temp. 155°F (68°C), 500 Feet

Availability: Estimated 2 - 4 Weeks

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


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 lbs

The Protectowire Company





Unit of Measurement

FT (Feet)

Production Status




500 feet


  • 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.

Protectowire CTI™ Confirmed Temperature Initiation Linear Heat Detectors

Protectowire - Data Sheet

Protectowire Linear Heat Detector

Protectowire - Installation, Operation and Maintenance Manual