| DC
(direct current) |
AC
(alternating current) |
| 750 V (600 V) |
15 kV, 16,7 Hz |
tram and trolley-bus,
metro and suburban rail
(600 V only addition) |
main line railways and
mass transit |
| 1500 V |
25 kV, 50/60 Hz |
metro and suburban rail
with own track
main line railways and mass transit (addition of completed routes) |
main line railways and
mass transit |
| 3000 V |
2 x 25 kV, 50/60 Hz
AT System |
| main line railways (addition
of completed routes) |
high-power and high-speed main line |
