Simplex 4903-9426 TrueAlert Non-Addressable Horn Strobe SF 19/01 Four-wire base

Four-wire base

The GN-503 Series is listed in compliance with ANSI/UL 217

allowing persons evacuating the building to activate the fire alarm

The remote microphone panel is a supervised remote microphone

NOTE: Use with System Sensor SB-I/O backbox (not included)

Simplex 4903-9426 TrueAlert Non-Addressable Horn Strobe SF 19/01 Four-wire baseTrueAlert 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.