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
| Operating Voltage | 16 – 33 VDC/VFWR | |||
|---|---|---|---|---|
| Operating Current （mA） | 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 | |||
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