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The System Sensor L-Series product line of wall and ceiling mount chimes and chime strobes includes a variety of features that increase their application versatility while simplifying the installation
It consists of a complete operator interface that is identical to the ECC-50/100 main console as well as a built-in microphone with a push-to-talk feature for ALL CALL paging
Siemens HTRI-S (500-033370) Single Input Module
while the base accommodates various mounting methods
System Sensor D4120W Duct Smoke Detector 4-Wire Silent Knight The System Sensor L-Series productSystem Sensor D4120W Watertight 4 Wire Photoelectric Duct Smoke Detector, 24VDC 120VAC Key Features NEMA Type 4 UL listed for non hazardous indoor and outdoor applications 4 Wire Photoelectric, integrated low flow technology UV Resistant, UL listed housing and cover materia
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