Description
4903-9425 SIMPLEX, TrueAlert Non-Addressable A/V
4903-9425 Simplex, TrueAlert non-addressable audible and visible notification. For applications requiring audible/visible (A/V) notification with horn tones, these Simplex 4903 series appliances combine a high intensity strobe with a low current electronic horn in a compact package that is easy and quick to install. Each appliance can be controlled independently from each other using conventional reverse polarity NACs.
Wall mount audible/visible notification appliances with efficient piezoelectric horn and high output xenon strobe for 4-wire control applications
- 24 VDC operation with switch selection for free-run or synchronized flash rate.
- UL listed to Standard 1971.
- Compatible with ADA requirements.
- Strobe candela rating is clearly indicated on reflector.
Electronic horn audible notification appliance:
- Low current operation (25 mA @ 24 VDC).
- Harmonically rich output sound suitable for either coded or steady operation.
- UL listed to Standard 464.
4903-9425 Simplex Flexible, easy, and convenient semi-flush or surface wall mounting:
- Easily mounts to single gang, double gang, or 4-inch square outlet box.
- Optional mounting adapters are available to cover surface mounted electrical boxes and to adapt to Simplex® 2975-9145 boxes.
- Diode polarized inputs for connection to reverse polarity, supervised notification appliance circuit (NAC).
- In/out wiring terminals for 18 AWG to 12 AWG, accessible from front of housing, providing easy access for installation, inspection and testing.
- Rear of housing assembly does not extend into box.
- Optional UL listed red wire guard is available for semi flush or surface mounting.
TrueAlert non-addressable A/V strobes can be set for free-run operation or synchronized operation using an on-board selection switch.
4903-9425 Simple Horn Operation
TrueAlert non-addressable A/V horns provide an audible notification output that is a loud and penetrating, harmonically rich sound capable of a continuous or coded output per the controlling NAC’s capabilities.
Datasheet 4903-9425.
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