For services on the Seehas line (the area near Konstanz, Germany), the Mittelthurgaubahn (MThB) in 1993 took four NPZ trainsets off the SBB's production line.
In 1993, the Mittelthurgaubahn (MThB) took four NPZ trainsets from the SBB's production line for use on the Seehas line near Konstanz, Germany.