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Remote Annunciator w/ Piezo Alert, APA151
APA151 piezo annunciators, which replace the APA451 with a new, improved look, provide an audible alarm signal, a red LED to indicate alarm status, and a green LED to indicate power status. They are intended for use with System Sensor 4-wire conventional duct smoke detector applications without a system control panel, to comply with NFPA 90A.
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APA151 piezo annunciators, which replace the APA451 with a new, improved look, provide an audible alarm signal, a red LED to indicate alarm status, and a green LED to indicate power status. They are intended for use with System Sensor 4-wire conventional duct smoke detector applications without a system control panel, to comply with NFPA 90A.