History
In the mid-1960s, SNCF sought a new type of dual-current electric locomotives. As thyristor technology advanced rapidly, SNCF decided to adopt the new technology for a new series of locomotives, later known as the "Nez Cassés (Broken Noses, due to their cab styling by Paul Arzens)" or "BB 4400kW". Given that the need for pure AC-locomotives was greatest, SNCF placed an initial order of five locomotives in 1968. In 1969 a second order of 10 locomotives followed, in 1970 a third order was made for another 10 locomotives. The remaining 40 locomotives were ordered in 1973.
The first five locomotives were delivered in 1971 in the overall-green "Maurienne" livery. The rest followed between 1973 and 1978, painted in the striking TEE-Arzens livery. Initially meant to support BB16000 locomotives on eastern and northeastern lines, which could not keep up with the timetables anymore after top speed on some sections was raised to 160 km/h (99 mph), the BB15000 series would become the most important locomotives on the northern and northeast network.
Read more about this topic: SNCF Class BB 15000
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