Product details
| Part number | 49AO-WRF |
|---|---|
| Description | Audible Only Wall Mt Red Fire |
| Category | Notification Appliances / TrueAlert ES Addressable Appliances |
| System | Simplex TrueAlarm detectors and TrueAlert appliances |
| Works with | 4100ES with EPS+ or EPS Power Supply (IDNAC), 4010ES with ESS Enhanced System Supply (IDNAC), 4007ES with IDNAC Notification, 4009 IDNAC Repeater, … |
| Approvals | UL 464; ULC S525; CSFM Listing 7135-0026:0372; FM approved |
| Availability | In stock in Riyadh |
| Support | Selection, compatibility and programming help from our engineers |
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About the 49AO-WRF
TrueAlert ES addressable audible-only electronic horn with a red cover and FIRE wording, supplied with cover and matching mounting plate. It takes power, supervision and control from an IDNAC SLC on a Simplex panel, which sets Temporal Code 3, March Time, Continuous or Temporal Code 4 and high or low output. Self-Test and Magnet Test let the horn be checked from the panel or at the device.
On legacy TrueAlert controllers the horn runs at 17 VDC to 31 VDC and offers only Continuous, Temporal Code 3 and March Time of 60 or 120 bpm.
Specifications
| Operating voltage | 23 VDC to 31 VDC, Special Application |
|---|---|
| Current | 23 mA maximum @ 31 VDC |
| Supervisory load | 1 unit load (= 0.8 mA control panel current) |
| Sound output @ 10 ft (3 m), 23 VDC, UL 464 | 89.8 dBA steady/high; 83.4 dBA steady/low |
| Sound | 2400 to 3700 Hz sweep, modulated at 120 Hz rate |
| Temperature range | 32° to 122° F (0° to 50° C) |
| Humidity range | 10% to 93%, non-condensing @ 104° F (40° C) |
| Dimensions with cover | 5 ⅛" H x 5" W x 1 ½" D (130 mm x 127 mm x 38 mm) |
Used with
- 4905-9937 – Red surface mount adapter skirt
- 4905-9931 – Red adapter plate for Simplex 2975-9145 box
- 2975-9145 – Red mounting box, requires 4905-9931 adapter plate
- 4905-9961 – Red wire guard with mounting plate
- 4905-9929 – TrueAlert addressable wiring isolator
From Simplex datasheet S49AO-0001. The datasheet, UL listing and installation manual can be downloaded under Documents above.





