NFS-640
The NOTIFIER NFS-640 (also NFS2-640) is a compact intelligent addressable fire alarm control panel from the ONYX Series, ideal for small to medium buildings with one expandable to two SLC loops supporting up to 636 devices total (318 per loop: 159 detectors + 159 modules).
It uses FlashScan technology for ultra-fast polling (<2 seconds/318 devices), ONYX intelligent sensing with nine sensitivity levels, drift compensation, and optional voice evacuation with up to eight audio channels.Key Specifications
| Feature | Specification |
|---|---|
| SLC Loops | 1-2 Style 4/6/7 (636 devices max) |
| NACs | 6 Class B (Style Y); Class A optional |
| Display | 80-char LCD standard; optional 640-char NCA |
| Power | 120/240 VAC; 6.0 A total 24 V output |
| History | 800 events + 200 alarm-only (nonvolatile) |
| Network | Up to 200 nodes high-speed net; EIA-485 annunc. |












