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.
The Mittelthurgaubahn (MThB) in 1993 removed four NPZ train sets from the SBB's manufacturing line to be used on the Seehas line near Konstanz, Germany.