The SFP-2402e are UL Edition listed conventional fire alarm control panels with two alarm initiating zones and four initiating zones respectively. The Notification Appliance Circuit (NAC) protocol can silence audible devices while strobes continue to flash, using a single pair of wires.
Specifications
Initiating Device Circuits : SFP-2402: 2 Class B SFP-2404: 4 Class B (Class A option available)
Notification Appliance Circuits (NACs) : SFP-2402: 1 Class B
Voice Evacuation Available: Yes : requires direct connect to Fire Voice 25/50
Power : 3.0 amps total system power; SFP-2404 expandable to 6 amps