49AO-WRF Simplex, Audible Only, Wall Red Fire. The 49AO-WRF Simplex, TrueAlert ES addressable horns TrueAlert ES addressable horns are individually addressed audible notification appliances that receive power, supervision, and control signals from a Simplex fire alarm control panel providing IDNAC Signaling Line Circuits (SLCs).
Individually addressed and controlled low power TrueAlert ES A/ O (audible only) electronic horns:
Advanced addressable notification controlled by IDNAC SLCs providing regulated 29 VDC allowing strobes on the same SLC to operate with lower current even under battery backup.
Wiring supervision to each appliance allows "T-tapped" connections for Class B circuits to simplify wiring (Class A circuits require in/out wiring).
Self-Test Mode allows an on-board sensor to detect the horn output and then report its status to the control panel.
Horns are controlled separately from visible appliances on the same SLC with control panel selection of operation as Temporal Code 3, March Time (selectable as 20, 60, or 120 bpm), Continuous, or Temporal Code 4.
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