Multi-system (rail)

Not to be confused with Electro-diesel locomotive.
SNCF Class B 82500 multi-system electro-diesel multiple unit at Provins

A multi-system locomotive, also known as a multi-system electric locomotive, multi-system electric multiple unit, or multi-system train, is an electric locomotive which can operate using more than one railway electrification system. Multi-system trains provide continuous journeys over routes which are electrified using more than one system.