INSTALLATION
MANUAL
© Scania CV AB 2018, Sweden
Batteries and alternators
03:01 Issue 11 en-GB 6
Battery cables
When manufacturing battery cables, dimension the cables between the battery and
starter motor as depicted in the diagram. This indicates the minimum permissible ca-
ble cross-section at different lengths for the various engine types.
The cable length in the diagram relates to the total length of both positive and nega-
tive cables.
Minimum permissible cable cross-section is 70 mm
2
. If the ambient temperature con-
stantly exceeds +10°C, the minimum permissible cable cross-section is 50 mm
2
.
50
1
2
3
4
5
10
15
70 95
120 140 190
9
Y
X
9
13
16
13
16
343 117
Diagram for dimensioning of battery cables.
The dotted lines apply at a constant ambient temperature of more than 10°C.
The unbroken lines apply at an ambient temperature of -20°C.
Y = Total cable length in metres.
X = Cable cross-section in mm²
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