Gentex Corporation GN-503FF IN STOCK The EST3 Control Display modules
$443.98
Description
The EST3 Control Display modules provide the emergency user with the simplest of interfaces
The Siemens HTRI-R single-input interface module with relay allows fire alarm systems to monitor and control external devices with precision
causes the detector to automatically signal an alarm condition but dust and debris accumulated over time does not change alarm sensitivity
11 field selectable candela settings
Gentex Corporation GN-503FF IN STOCK The EST3 Control Display modulesThe GN 503 (120VAC 9VDC) Series of combination photoelectric smoke and electrochemical sensor carbon monoxide alarms are for use as evacuation devices in all dwelling units, including but not limited to homes, apartments, hospitals, hotels, motels and other commercial occupancies. The GN 503 Series is listed in compliance with ANSI UL 217, ANSI UL 2034, for installation per NFPA 720 and NFPA 72. Available in three models, the GN 503 Series is
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