52
Connecting up the mains cable on US power sourc-
es
General The US power sources are supplied without a mains cable. A mains cable appropriate for
the connection voltage must be fitted prior to commissioning.
A strain-relief device for a cable cross-section AWG 10 is installed on the power source.
Strain-relief devices for larger cable cross-sections must be designed accordingly.
Stipulated mains
cables and strain-
relief devices
AWG ... American Wire Gauge
Safety
WARNING!
Work that is carried out incorrectly can cause serious injury and damage.
► The following activities must only be carried out by trained and qualified personnel.
► Pay particular attention to the "Safety rules" sections in the power source and system
component operating instructions.
Connecting the
mains cable
Remove the left side panel of the power source
Strip about 100 mm (4 in.) of insulation from the end of the mains cable
NOTE!
The ground conductor (green, or green with yellow stripes) should be approx. 10 -
15 mm (0.4 - 0.6 in.) longer than the phase conductors.
Fit ferrules to phase conductors and the ground conductor of the mains cable; crimp
ferrules with pliers
CAUTION!
Risk of short circuits!
If ferrules are not used, there is a risk of short circuits between the phase conductors or
between phase conductors and the ground conductor.
► Fit ferrules to all phase conductors and the ground conductor of the stripped mains ca-
ble.
Power source Mains voltage Cable cross-sec-
tion
TT 4000/5000 MV Job, MW 4000/5000 MV
Job
3 x 380 - 460 V
3 x 200 - 240 V
AWG 10
AWG 6
1
3
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