Siemens FDBZ492-PR Duct Smoke Detector S54319-B25-A1 Brand New

Description

The Siemens FDBZ492-PR air-duct housings are uniquely designed to use with the photoelectric detector. Sensitivity of Models PE-11, PE-11C as well as the OP121 detectors can be verified for calibration via LED visual status or a Model RSAW-11, Model RSAC-11, or also Model FDBZ492-RTL multicolor remote lamp. Maintenance of the detector is easily accomplish via the removal of the duct-housing sampling chamber cover. Furthermore, the detector can be easily remove for cleaning or replacing by a trained technician. When used with a Siemens conventional smoke detector, smoke and combustion products are detecte for shutdown of the duct system and/or operation of supplementary equipment as provided by the system control panel. The duct unit supports two sets of Form C alarm contacts, one Form A alarm contact and one Form C trouble contact. The trouble contact supervises the presence of the input power, removal of the detector cover and the removal of the smoke detector head. Features / Specifications Temperature: 32°F – 120°F Relative Humidity: 0 – 95%; non-condensing Siemens FDBZ492-PR also knows as S54319-B25-A1 Air Duct Velocity Range: 100-4000 ft/min Sampling and Exhaust Tube Pressure Differential Range: Greater than 0.01 and less than 1.2 inches of water column NEW IN BOX