Mini Horn Device FireWatcher 972MR, FireWatcher 972MW
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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.