The System Sensor APA151 annunciator with piezo alert is an audible signal appliance for fire alarm service. It is intended for use in System Sensor 4-wire conventional duct smoke detector applications without a system control panel to comply with NFPA 90A. The APA151 provides a red alarm LED, with an audible annunciation of an alarm signal, and a green power LED.
Also known as
- System Sensor By Honeywell-Us ANNUNCIATOR FOR DUCT PIEZO - BK-APA151