18.2 Connection cables
Component
Max. cable length
Max. recom-
mended cur-
rent
Recommended
cross-section
Insula-
tion
1)
Prescribed
Recommended
mm
2
AWG
Solar module 30 m 10 m
20 A 10 8
85 °C
45 A 16 6
Battery 3 m 2 m
30 A 16 6
85 °C
45 A 16 6
Load
30 m 5 m 40 A 16 6
85 °C
30 m 20 m 45 A 25 4
Master/Slave
bus, respec-
tive total
length
25 m 10 m – – – –
Temperature
sensor
10 m 2.8 m – – – –
1)
Temperature resistance of the insulation
Technical data that varies from the above is given on a device label. Subject to change without
notice.
WARNING!
Contact your dealer for information on the recommended cable cross section when you require
longer cable lengths for the solar module, battery and loads than specified for the recom-
mended cables in the table above.