Renfe old chocolate and cream liveried electric multiple units, Barcelona, Spain

These were built 1934-1957 by SECN (this one WR #360 in 1944) for 1500 Volts DC from overhead. One car of a two car set was powered by four traction motors (one hour rating in total 920 hp, continuous rating 816 hp). Seen at Barcelona-Villanova in 1964. Info and more pics