System Sensor 2251TB Intelligent Photoelectric smoke detector with thermal 2251 — B501BH Intelligent Sounder Base

— B501BH Intelligent Sounder Base (B200SR Replaces B501BH series bases in retrofit applications)

They are smart analog standard addressable devices available in plug-in versions (UIO) and also in 1-group mounting versions

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

The Simplex 2190-9155 provides an addressable interface between conventional zone devices and the host fire alarm control panel

A common mounting base accommodates the TC806B or TC807B

System Sensor 2251TB Intelligent Photoelectric smoke detector with thermal 2251 — B501BH Intelligent Sounder BaseThe 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.