4098-9401 SIMPLEX LIFEALRM HT DET 135 FX DIRECT.

4098-9401 Simplex, Accurate thermal detection for protection of property , UL listed to Standard 521.

Fixed temperature operation is suitable for most applications:

  • Thermistor based design is inherently rate compensated due to minimal thermal lag.
  • Fixed temperature 135° F (57° C).
  • UL spacing distance is 60 ft.

Epoxy encapsulated electronic design provides:

  • Easily tested, self-restoring operation with repeatable accuracy.
  • Alarm indicating LED located on detector.
  • Current limited alarm that is compatible with two-wire initiating device circuits (IDCs).

Direct connecting design:

  • Wiring attaches directly to detector terminals.
  • Detector mounts onto mechanical adapter plate (supplied).

135° F (57° C) fixed temperature detectors are for normal temperatures that do not exceed 100° F (38° C).

Simplex electronic heat detectors use a fast response, thermistor based design to provide temperature sensing that quickly, accurately, and consistently identifies when fixed temperatures are exceeded. The fixed temperature sensing thermistor readily tracks the local ambient temperature. This eliminates the time required to melt a lead pellet or heat a bimetallic element as occurs in mechanical heat detector designs and provides the required heat detection for most applications.

Heat detectors are used where property protection is desired and where life safety protection is not required or is performed by other equipment. Typical heat detector applications are satisfied by use of these fixed temperature electronic detectors.

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