AS emergency stop switch with glass pane and five interchangeable labels ("Nottaster öffnen", "Notschalter", "Emergency switch", "Tür schließen" and without text)
 
With glass pane, offering protection against abuse
Switch is illuminated for better visibility, even in the dark
Five exchangeable labels ("Nottaster öffnen", "Notschalter", "Emergency switch", "Tür schließen" and empty label)