Sifa
Sicherheitsfahrschaltung
Time-time driver vigilance pedal requiring release and depress cycles every 30 seconds.
Easy
Based on vigilance required, reaction window, and braking penalty severity.
menu_book System Overview
Sifa is the standardized dead-man safety device fitted to virtually all German, Austrian, and Swiss rolling stock. It verifies that the driver remains conscious and capable of controlling the locomotive.
settings How It Operates
- check_circle Operating in a 30-second cycle, the pedal or button must be held down continuously.
- check_circle After 30 seconds of continuous hold, a silent visual warning lamp illuminates.
- check_circle After 2.5 additional seconds (32.5s total), an acoustic warning horn or vocal alert ("Sifa!") sounds.
- check_circle If the driver does not release and immediately re-press the pedal within 2.5 seconds of the alarm (35s total), emergency brakes are engaged automatically.
visibility In-Cab Visual & Audio Indications
White or amber dashboard lamp illuminates at 30 seconds.
Vocal "Sifa... Sifa!" or high-pitched buzzer sounds at 32.5 seconds.
lightbulb Driver Tips to Avoid Penalty Brakes
- verified Establish a comfortable rhythm: release and re-press the pedal during calm stretches so you don't get caught during heavy braking.
- verified In Train Sim World, you can tap Spacebar to cycle the pedal instantly.
