Siemens 540-520B SF 26/11 the detector’s sensitivity measurement can
$98.54
Description
the detector’s sensitivity measurement can be transmitted to the loop controller
allowing it to communicate directly with the fire alarm control panel and provide real-time status updates
And alert or alarm tone signals
Zero Internal Auxiliary Switch
this model is use with the signature series detectors and bases
Siemens 540-520B SF 26/11 the detector’s sensitivity measurement can
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