The Notifier NT-AMPS-24 is an addressable power supply and battery charger designed for compatible Notifier fire alarm systems. It operates from a 120 VAC input and provides a primary 24 VDC output rated up to 4.5 A, along with additional regulated outputs. The AMPS-24 communicates through FlashScan or CLIP and features an isolated SLC interface, battery charging, AC loss detection, brownout detection, and battery supervision. It is designed for use with Notifier NFS-3030 and NFS2-3030 fire alarm control panels and can also serve as the primary power supply for an NCA-2 Network Control Annunciator.