The RENFE class 252 are a series of Bo'Bo' electric locomotives, built by CAF, Meinfesa, Siemens and Krauss-Maffei for RENFE. 15 units were built for the NAFA (Nuevo Acceso Ferroviario a Andalucía) line between Madrid - Sevilla (standard gauge version), and 60 units constructed for general use to Iberian gauge (1668mm).