Simplex 49VO-WRFO-BA 21/01 The Audible Base Model ADBX-11

The Audible Base Model ADBX-11 attaches only to a 4-inch square electrical box with extension

TEMP PLASTIC

System Sensor B114LP 100 Series Relay Base - 4 Wire 120 Vt Ac

Data Sheet: DVC-EM

System Sensor SBBWL L-Series Wall Surface Mount Back Box

Simplex 49VO-WRFO-BA 21/01 The Audible Base Model ADBX-11TrueAlert ES weatherproof addressable appliances provide visible and audible visible notification for indoor and outdoor, extended temperature and extended humidity applications. They are individually addressed and receive power, supervision, and control signals from a Simplex fire alarm control unit providing IDNAC Signaling Line Circuits (SLCs).