Siemens Cerberus Pro

Siemens Cerberus Pro

FDBZ492 Duct Smoke Detector

Models FDBZ492, FDBZ492-HR, FDBZ492-R and FDBZ492-RP (with FDBZ-WT and FDBZ492-RTL)

The Siemens – Fire Safety Model ‘FDBZ’-series of airduct- detector housings are designed to be used with the Siemens Model ‘H’-series, ‘FD’-series and the Model OP121 detectors. Designed for installation directly to heating, ventilating and air-conditioning (HVAC) duct systems, the Model ‘FDBZ’-series complies with National Fire Protection Association Standard (NFPA) No.’s 72 and 90A, and is Underwriters’ Laboratories Listed.

When equipped, the air-duct detector housing will signal the presence of smoke being carried through the duct system. Air-duct detectors are not intended to be substituted for open-area detection.

  • Four (4) models available
    – Addressable and conventional (with and without relays)
  • Compatible with Siemens – Fire Safety conventional and addressable fire-alarm control panels (FACPs)
  • Magnet test feature with the Model OP121 conventional detector
  • Design for air-velocity range of 100 to 4,000 feet-per-minute (fpm)
  • Robust, compatible conventional remote indicator test switch that incorporates tri-color light-emitting diode (LED)
  • Clear housing cover with smoke test port on cover for quick identification of detector type
    – Removable with four (4) captive-thumb screws (no tools required)
    – Includes a smoke / aerosol detector test port
  • Optional NEMA 4X-reinforced, stainless-steel and watertight enclosure available, Model FDBZ-WT
  • No tools required for cover removal, sampling and exhaust-tube installations
  • Trouble-event activation upon front-cover removal
  • Alarm LED visible from front
  • Self-contained model available with ‘on-board’ power supply for conventional detectors
  • Expanded temperature range
  • Relay models available
  • UL268A Listed, ULC-S529 Listed; FM (#3010), CSFM (#3240-0067:0265) Approved