The Emergency Power Off Stopper Station push button from STI allows users to safely and quickly disconnect power to equipment, or an entire facility, in the event of an emergency. Allows a user to perform a calm, effective and confident action when needed. In the event of a disaster, it helps limit damage and makes it safer for rescue personnel to attend to the emergency. Switch options include: Turn-to-Reset, Key-to-Reset, Key-to-Activate, Momentary or Weatherproof Momentary.