4905-9929 Simplex, Isolator Module Trualert. The 4905-9929 Simplex TrueAlert Isolator Module is intended for use on TrueAlert Addressable circuits to isolate short-circuited wiring from functioning wiring.
4905-9929 Simplex, Isolator+ modules provide short circuit isolation for TrueAlert addressable notification appliance wiring:
Power and communications are supplied by Simplex 4100ES, 4010ES, and 4007ES fire alarm control panels equipped with power supplies that provide advanced addressable notification from IDNAC Signaling Line Circuits (SLCs), and from 4009 IDNAC Repeaters.
Operation is also compatible with legacy TrueAlert SLCs from TrueAlert Power Supplies (TPS) or TrueAlert Addressable Controllers (4009T).
The dual-port design accepts communications and power from either port and automatically isolates one port from the other when a short circuit occurs.
Mounts in standard 4" (102 mm) square electrical box, 2 +" (54 mm) deep.
UL listed to Standard 864.
Information received at the control panel allows identification of the short circuit location:
Simplex control pa(more...)
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