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The M500X Isolator Module is a standard-sized module that enables part of the communications loop to continue operating when a short circuit occurs on it
Common base for both photo and ion detectors
or sounder bases
The signaling line circuits of FCI analog addressable panels are designed to accommodate up to 99 monitor modules per circuit
System Sensor 5251B Fixed Temperature Thermal Detector 5951j The M500X Isolator Module isSystem Sensor 5251B and 5251RB detectors use an innovative thermistor sensing circuit to produce 135F fixed and rate of rise thermal detection in low profile packages. Besides, the 5251H model provides fixed high temperature detection at 190F. In addition, these thermal detectors provide cost effective, intelligent property protection in a variety of applications. Furthermore, the 200 Series smoke detectors are intelligent (addressable) detectors with
