Highest Voltages
- Hamburg S-Bahn: 1,200 V, since 1940
- Manchester – Bury, England: 1,200V (side Contact)
- Culoz–Modane railway, France: 1,500 V, 1925–1976
- Guangzhou Metro, Line 4&Line 5: 1,500 V
In Germany during the Third Reich, a railway system with three-metre gauge width was planned. For this Breitspurbahn railway system, electrification with a voltage of 100 kV taken from a third rail was considered, in order to avoid destruction of overhead wires by anti-aircraft guns. However, such a power system would not have worked as it is not possible to insulate a third rail for such high voltages in the proximity of the rails. The whole project did not progress any further owing to the onset of World War II.
Read more about this topic: Third Rail
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