PROTECTOWIRE Standard Digital Heat Sensitive Cable (PHSC) Linear Heat Detector
can best be described as a continuous run of spot heat detectors.
It is capable of sensing heat anywhere along its length and initiates an
alarm once its fixed activation temperature is reached.
The Standard Digital (PHSC) Linear Heat Detector works in the following manner.
Once the ambient temperature meets or exceeds its fixed temperature,
the heat sensitive polymer weakens, which in turn allows the twisted
spring steel conductors to make contact,
which results in an electrical short that triggers an alarm signal.
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