Siemens FDT421 Intelligent Heat Detector

The Siemens FDT421 is an intelligent plug-in Heat Detector for use with FireFinder XLS and Desigo Fire Safety Panels. FEATURES and SPECS: — Provides seven (7) field-selectable settings in the 135° í 174°F (57.2° í 78.9°C) temperature range — Tri-color detector-status light-emitting diode (LED) with 360° viewing — Compatible with Model DPU (device programmer / loop tester) — Compatible with Model DB-11íseries mounting bases — Field programmable as rate-of-rise or fixed temperature — Compatible with Siemens Model ‘H’-series devices on the same loop.