The NFS2-640 is engineered for mid-size applications, designed to maximize flexibility and customization that meet your specific life safety needs.


The NFS2-640 intelligent fire alarm control panel is part of NOTIFIER’s UL listed ONYX Series.  It’s designed specifically for mid-size applications, and easily expanded via NOTIFIER’s intelligent fire alarm network.

Features & Benefits:

  • ONYX Intelligent Sensing – nine levels of sensitivity, drive compensation and maintenance alert, and auto detector test
  • Fully field programmable with 80-character display
  • Optional Integrated Digital Voice Command with eight channels of standard quality audio or one channel of high quality audio and firefighter telephone on a single cable
  • Listings: Releasing, Mass Notification, Seismic Certified, Marine Approved


  • Signaling Line Circuits (SLCs):  1 expandable to 2; Style 4, 6, or 7
  • Intelligent Devices: 636 total devices; 159 detectors/159 modules per SLC
  • Notification Appliance Circuits (NACs): 4 (built in); 1.5 amps ea.
  • Voice Evacuation Available: Yes, with integrated Digital Voice Command
  • Power: 6 amps total system power
  • Annunciators: 32 LCD type, 32 ACS type
  • Networkable: Yes, NOTI-FIRE-NET or High-Speed NOTI-FIRE-NET


  • UL 864, 9th Edition (Fire)
  • UL 1076 (Burglary)
  • UL 2572 (Mass Notification Systems). (NFS2-640 version 20 or higher.)
  • LOCAL (Automatic, Manual, Waterflow and Sprinkler Supervisory)
  • AUXILIARY (Automatic, Manual and Waterflow) (requires TM-4)
  • REMOTE STATION (Automatic, Manual, Waterflow and Sprinkler Supervisory) (requires TM-4)
  • PROPRIETARY (Automatic, Manual and Waterflow)
  • Not applicable for FM
  • OT, PSDN (Other Technologies, Packet-switched Data Network)
  • IBC 2012, IBC 2009, IBC 2006, IBC 2003, IBC 2000 (Seismic)
  • CBC 2007 (Seismic)