Simplex 4098-9776 TrueAlarm Standard Sensor Base SF 05/11 • D340 Two-wire Duct Detector

• D340 Two-wire Duct Detector Housing (12 VDC or 24 VDC)

field-selectable settings

multitones or speakers and easily mounts to standard 4” backboxes or for surface mount use with the Wheelock SBL2 surface backbox

The SLICprovides one Class A or Class B data circuit (loop) for connecting Signature Series detectors and modules

providing a clear visual indication

Simplex 4098-9776 TrueAlarm Standard Sensor Base SF 05/11 • D340 Two-wire Duct DetectorTrueAlarm sensor bases contain integral addressable electronics that constantly monitor the status of the detachable photoelectric or heat sensors. Each sensor's output is digitized and transmitted to the system fire alarm control panel every four seconds. Since TrueAlarm sensors use the same base, different sensor types can be easily interchanged to meet specific location requirements. This feature also allows intentional sensor substitution during