Siemens HFP-11 Fire Alarm Smoke Heat and similar items

SIEMENS HFP-11 Fire Alarm Smoke Heat Detector LOT OF 3 PRE OWNED/ NORMAL WEAR/ UNTESTED/ NO BASE/ WE WERE TOLD THIS WAS PULLED FROM WORKING ENVIRONMENT BUT CANNOT TEST ANY FURTHER SO WE ARE SELLING AS IS The Siemens HFP-11 is a high-end addressable fire alarm smoke detector used in commercial and industrial systems?not a panel or module. What it is Type: Addressable multi-criteria smoke detector Technology: Photoelectric smoke sensing Thermal (heat) sensing System: Siemens FireFinder XLS / FS-250 / Cerberus PRO Wiring: 2-wire loop (addressable) ? Each detector has its own address, so the panel knows exactly which device triggered. What makes it different The HFP-11 uses Siemens FirePrint technology, which: Combines smoke + heat data Uses onboard processing to reduce false alarms Can be tuned for different environments (parking garage, office, healthcare) It?s designed to detect both: Smoldering fires (smoke-heavy) Fast-flaming fires (heat spike) Where it?s used You?ll typically find these in: Hospitals Schools Office buildings Industrial facilities Basically anywhere with a Siemens addressable fire alarm system. SHELF: FA-3 SA