System Sensor 2251TB Intelligent Photoelectric smoke detector with thermal 2251 compatible for use with ONYX®

compatible for use with ONYX® Series nodes such as the NFS2- 3030

Communication takes place over the power (+ and –) lines

an intelligent plug-in photoelectric smoke detector

this allows impedance changes in supervised loop to the monitored device detected

System Sensor 2251TB Intelligent Photoelectric smoke detector with thermal 2251 compatible for use with ONYX®The System Sensor 2251TB is an Intelligent Addressable Photoelectric Smoke Sensor w Thermal (135F 57. 2C fixed) Sensor. The sensitivity of 200 Series detectors can be programmed using the control panel software to suit the environment. In addition, detector sensitivity is continually monitored and reported to the panel.