Notifier CPU2-640E replacement central processing unit for the NFS2-640 intelligent addressable fire alarm control panel. Includes an integral 3.0 A (6.0 A in alarm) power supply and ships as a factory-mounted control-panel chassis ready for installation in a compatible CAB enclosure.

Provides one Signaling Line Circuit (SLC) expandable to two, enabling intelligent addressable detection and notification across small-to-mid commercial buildings. Fully compatible with the NFS2-640 family of Notifier intelligent devices, FlashScan and CLIP protocols.

UL 864 listed. The "E" suffix denotes the export / updated revision of the CPU2-640 central processing unit.