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Johnson Controls M302MJ Addressable Monitor Module is a standard-sized module that monitors and supervises compatible two-wire
— B224BI: Intelligent isolator base
the panel CPU stops the group poll and concentrates on single points
a plug-in sensor head offers improved false alarm immunity and simple installation
Sensitivity is continuously monitored and reported to the panel
NEW SYSTEM SENSOR 1151 ION / IONIZATION SMOKE DETECTOR HEAD EST 2251FB Johnson Controls M302MJ Addressable MonitorThe System Sensor 1151 ionization detector uses state of the art sensing chambers. Also, the System Sensor 1151 detector is design to provide open area protection and to be use with compatible UL listed control panels only. The capability of plugging this detector into a variety of special bases makes it more versatile than equivalent direct wired models. Besides, two LEDs on each detector light provide a local 360 visible alarm indication. Remote LED