Simplex 4903-9425-RC

Simplex 4903-9425 TrueAlert Horn/Strobe, 15cd, Red

The Simplex 4903-9425 is a non-addressable TrueAlert audible/visible notification appliance for 4-wire operation, combining a low-current electronic horn with a 15 candela xenon strobe in a single wall-mount unit. It features a red housing with white "FIRE" lettering and is designed for easy semi-flush or surface installation.

Key Features:

• Combined Horn/Strobe: Pairs a harmonically rich electronic horn with a 15 cd xenon strobe, each controllable independently when wired to separate NACs.

• Selectable Strobe Operation: On-board switch selects free-run or synchronized flash at 1 Hz, compatible with Simplex synchronized flash modules and control panels.

• Flexible Mounting: Mounts to a standard single gang, double gang, or 4-inch square electrical box, semi-flush or surface.

• Accessible Wiring: Front-accessible in/out terminals for 18 AWG to 12 AWG wire simplify installation, inspection, and testing.

• Rugged Construction: High-impact, flame-retardant thermoplastic housing rated for 32°F to 122°F (0°C to 50°C) and 10% to 93% non-condensing humidity.

• Listings and Approvals: UL Listed (Standard 1971 for the strobe, Standard 464 for the horn), CSFM Listed, FM Approved, and MEA (NYC) Accepted.