NAC Panel
The NATIONAL TIME D900-RPS Series Notification Appliance
Control Panel is designed to meet the needs of your increasing power requirements. The D900-RPS-SG
Series provides two style Y or Z conventional Notification Appliance Circuit (NAC) rated for a total
of 5 Amps. The 24 VDC (0.5 A) auxiliary power and the resettable 24 VDC (0.32 A) auxiliary power
outputs provide for system application flexibility. Other benefits include - 1) an intelligent 2
wire interface residing on the DigiCommTM analog addressable loop with the capability of returning
all power supply trouble statuses along with NAC circuit activation indication, for factual point
annunciation 2) an AC power failure trouble time delay per NFPA72. 3) Remote trouble diagnostic
identification of fault conditions. The D900-RPS-SG is capable of synchronized horn (temporal) and
strobe operation directly from the NAC outputs without the need of a synchronization module. This
provides horn (temporal) and strobe synchronization with independent control (alarm silence
capability) on the same pair of wires.
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5 Amps of Notification Appliance Power 