Product Description
. . . . . Simplex Grinnell 4905-9931 742-301 TrueAlert SmartSync Adapter Plate, Red, for Mounting to Simplex 2975-9145 box (typically for retrofit, may be mounted vertical or horizontal) 8-5/16" x 5-3/4" x 0.060" thick (211 mm x 146 mm x 1.5 mm). Simplex Grinnell. TE Connectivity. 4905-9931.