TOKYO, May 6 (Reuters) - Japan’s Nintendo Co Ltd on Thursday forecast Switch console sales to reach 25.5 million units in the financial year that started April 1, signalling expectations of the hit device peaking. Nintendo sold 28.8 million Switch consoles in the year ended March 31. That compared with the 26.5 million that the games maker forecast in February. Reporting by Sam Nussey; Editing by Christopher Cushing Our Standards: The Thomson Reuters Trust Principles.