Simplex 4905-9989 Horn/Speaker Cover

Simplex 4905-9989

Low current, 24 VDC Simplex® SmartSync operation electronic chime provides:
Private mode chime tone for applications requiring audible notification of trained personnel
Rugged, high impact, flame retardant thermoplastic housings, available in red with white “FIRE” lettering or white with red “FIRE” lettering
Diode polarized input for connection to reverse polarity, supervised SmartSync control Notification Appliance Circuits (NACs)

SmartSync two-wire control of audible and visible notification appliance provides:
SmartSync control of chime tone as Temporal Pattern, March Time pattern (at 60 BPM). Or on continuously (at 60 BPM); controlled separately from visible appliances on the same circuit
Visible appliances on the same circuit operate at a synchronized 1 Hz flash rate
Refer to page 2 for the SmartSync control list and additional operation information

TrueAlert notification appliance design provides flexible, easy, and convenient semi-flush or surface wall mounting:
Easily mounts to single gang, double gang, or 4-inch square electrical box
In/out wiring terminals, 18 AWG to 12 AWG
The rear of the housing does not extend into the box

Optional Accessories:
Mounting adapters to cover surface-mounted electrical boxes and to adapt to Simplex 2975-9145 boxes
UL listed wire guard 4905-9961
Covers are available separately to change color or for replacement

Listings:
Listed to UL 464 for private mode applications
Listed to CSA standards for general signaling use in
Canada (non-fire alarm applications)

Simplex 4905-9989

Datasheet

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