Tyco SimplexGrinnell DL-1 2850-9004 Time Panel is a 120 V, 3 A timing module from the Tyco SimplexGrinnell line, identified by model DL-1 2850-9004 and part number 28509004. It is described as a Time Panel within SimplexGrinnell systems, with internal references such as 521-427 E and EV appearing in its identifiers. This compact unit integrates into legacy Simplex fire protection and life-safety installations, providing timing functionality for connected equipment through its 120 VAC input and 3 A rating.
