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

  Download Datasheet

Technical Specifications

Operating Voltage

16 - 33 VDC/VFWR

Operating Current (mA

FW961

DC

117

FWR

124

FW971

DC

17

FWR

35

FW981

DC

75

FWR

75

Sound Level (dBA

Voltage

16V

24V

33V

Reverberant

83.1

85.6

88.2

Anechoic

94.3

97.2

99.2

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


FireWatcher UL Listed FireWatcher ULC Listed