FW971 Notification Appliances – Horn

The temporal tone generated by the horn portion is designed as per ANSI and NFPA72 for standard emergency evacuation signaling requirement. 

The Horn has a built-in synchronization circuit that can synchronize multiple horn in a complete fire alarm system. There are up-to 64 Notification Appliance Circuits (NAC), networked, stand alone or interfacing with the FW951

 

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SKU: FW971 Category:
  • Operating Voltage             16 – 33 VDC/VFWR 
    Operating CurrentmA  FW961 
    FW971 
    FW981 
    Sound Level  

    (dBA 

    Voltage 
    Reverberant 
    Anechoic 
    Effective Light   50cd at default setting 
    Wire Size   12 – 18 AWG 
    Operating Temperature  0° C -49° C (32° F – 120° F)  
    Operating Humidity   0 – 93% RH non-condensing 
    Horn Pattern  Temporal tone as ANSI and  

    NFPA72 Evacuation Signal pattern 

    Strobe Pattern  1 flash per second 
    Synchronization   32 NACs (Class A) or  

    64 NACs (Class B) 

    Compatible Model  FW951 Sync Module 
    Location   Indoor walls 
    Compliance  UL 1971, UL 1638, UL 464 

    ULC S525, ULC S526