The Intelligent Thermal (Heat) Detector (Model FDT421) provides an advanced method of detection, address programming supervision ? combined with sophisticated FACP communication. Model FDT421 uses a state-of-the-art thermistor, microprocessor and advanced signal analysis, providing high reliability and accuracy.
Additional information
| Weight | 0.2 lbs |
|---|---|
| Dimensions | 1.93 × 4.13 × 4.13 in |
| Manufacturer |
Siemens Industry, Inc. |
| Brand |
Siemens |
| Condition |
New |
| Unit of Measurement |
EA (Each) |
| Programming |
DPU |
| Thermal Rating |
Programmable |
| Series |
Desigo |
| Detection Method |
Fixed Temperature, Programmable, Rate-of-Rise |
| Production Status |
Active |
Features
- Built-in ISOtechnology
- Compatible with Siemens Model `H’- series devices on the same loop (with Desigo Fire Safety Modular | FireFinder XLS/V | FC/FV20–series fire-alarm control panels
- Contains seven (7) field-selectable settings in a temperature range of 135°F – 174°F (57.2°C – 78.9°C)
- Provides a low-temperature warning of 40°F (4.4°C)
- Field programmable as rate-of-rise or fixed temperature
- Tri-color detector-status light-emitting diode (LED) with 360° view
- Compatible with Model DPU (device programmer / loop tester)
- Utilizes advanced, microprocessor-based signal processing
- Each detector is self-testing:
- complete diagnostics performed every 10 seconds
- Polarity insensitive via SureWire technology
- Functions with Model DB-11–series mounting bases
- Superior electromagnetic interference (EMI) and radio-frequency interference (RFI) immunity
- Restriction of Hazardous Substances (RoHS compliant)
- UL 521 Listed, ULC Listed; FM (#3230, #3210), CSFM (#7272-0067:0258) Approved