Siemens ADBH-11 Fire Detector Mounting Base The System Sensor 2WT-B is

The System Sensor 2WT-B is a 2-wire

The 2951J photoelectric detector’s unique optical sensing chamber is engineered to sense smoke produced by a wide range of combustion sources

Compatibility: Works with Simplex addressable fire alarm systems

and LED color lenses for distinctive visual signaling

Interface modules support the remote annunciator module

Siemens ADBH-11 Fire Detector Mounting Base The System Sensor 2WT-B isSiemens smoke detector accessory, Model ADBH 11, combines detector base and audible device functions. Typical applications for use of Model ADBH 11 include: dormitories, hotels, motels, apartments, etc. ADBH 11 meets the audibility requirements for smoke alarms as specified in UL217: Single and Multiple Station Smoke Alarms. The Siemens ADBH 11 Audible Detector Base is designed to be used with conventional Series 11 plug in detectors.