ZURICH, Oct 21 (Reuters) - ABB is looking for a chairman for its e-mobility unit as it prepares the business for a potential flotation Chief Executive Bjorn Rosengren said on Thursday.

A flotation of the business, which makes electric chargers for cars and buses, is likely to take place in the first half of next year, Rosengren told reporters after the company reported its third quarter results. (Reporting by John Revill; Editing by Edmund Blair)