Fire detection system


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BlazeWire Overview

BlazeWire Linear Heat Detector is a cable that detects heat anywhere along its length. The sensor cable is comprised of two steel conductors individually insulated with a heat sensitive high-performance fluoropolymer jacket.


The insulated conductors are twisted together under pressure, then wrapped with a protective tape and finished with an outer jacket. BlazeWire is specifically designed for use in applications where extreme environmental and product performance must be met. In provides excellent abrasion resistance and excellent chemical and permeation resistance to a wide variety of acids, bases, organic solvents as well as simple gases.


In addition, the jacket exhibits very little change in tensile properties upon outdoor exposure to sunlight and weather. BlazeWire is a fixed temperature digital sensor and is therefore capable of initiating an alarm once its 180°C (356°F) activation temperature is reached. At the rated temperature, the heat sensitive polymer insulation yields to the pressure upon it, permitting the inner conductors to move into contact with each other thereby initiating a signal. This action takes place at the first heated point anywhere along the BlazeWire’s length, which can be up to 50 metres. It does not require that a specific length be heated in order to initiate an alarm nor is system

calibration necessary to compensate for changes in the installed ambient temperature.




•Line coverage…continuous sensitivity up to 50metres. 

•180°C  (356°F)  temperature rating. (Other temperatures available for special projects) 

•Withstands severe environmental conditions. 

•Approved for hazardous locations.        

•Easy to install, test, and splice.

•Compatible with other initiation devices on same circuit. (Detectors, actuators)



Maximum Voltage Rating: 30 VAC, 42 VDC

Resistance: .607 ohms/m (.185 ohms/ft.) Min. Bend Radius: 6.4cm (2.5 inches)

Diameter: Nominal 4mm (5/32 inch)

Weight: Nominal 3.6 kg/152m (8lbs./500ft.)


Brand BlazeCut

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