Siedle In-Home-Bus pushbutton module standard 3-way, F50, LS series for the LS series for audio module and as an extension module for a universal pushbutton module Completed with a 3-way pushbutton set (item no.: .. 503 TSA ..) Product features 5 LEDs for display (e.g. door open) without additional wiring Display of operational readiness via an LED Optical call display by flashing LED on the talk button Labeling field Includes labeling foils with symbols for audio and video Includes audio connection cable (red, 220 mm)
