Mini Horn Device FireWatcher 972MR, FireWatcher 972MW
The FW972MR and FW972MW Mini Horns are conventional audible signal appliances that operate on Maple Armor’s NAC, listed according to UL 464 and
ULC-S525 for indoor use
When the polarity of the NAC circuit is switched from supervision to alarm activation, the device sounds with Temporal 3-3-3 code. The horns offer three sound level settings. A button is contained that when pressed will allow the device to be silenced for 10 minutes before resound.