The AU-340-P Power Supply is the 3.5 Amp, 24 VDC internal power supply for a SigCom Voice Evacuation and Paging system. Utilizing the AU-340-P will provide a built-in DC power source for most small-end systems. Larger systems may utilize an external UL Listed power supply. The AU-340-P includes three LED indicators for AC, DC and Fault indications and a Common Fault contact for supervision of the power supply and batteries via the AU-360 and AU-380 series amplifier module.
A green LED indicates DC power is available from either the power supply or the batteries. A red LED indicates that primary AC voltage is available. A yellow LED will light if both AC power and a Fault are present. The Fault contact will be in the fault state if the batteries are shorted, open below minimum acceptable voltage or if the AC power has dropped below brownout voltage (90 VAC).
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