Fronius IG Plus 30 V-1 - Solar Module Ground at Negative Pole: Connecting Solar Module Strings

50
Solar Module Ground at Negative Pole: Connecting
Solar Module Strings
General The following steps are only necessary when the solar module manufacturer requires a so-
lar module ground at the negative pole.
Wire Cross Sec-
tion of Solar Mod-
ule Strings
The cable cross section for solar module strings should be a maximum of 16 mm² per ca-
ble.
Solar module
ground at nega-
tive pole: Con-
necting solar
module strings
NOTE! To ensure an effective strain relief device for solar module strings, only
use cable cross sections of the same size.
1
1
6 x
1
2
1
2
3
4
4
3
NOTE! Finely stranded cables up to conductor class 5 can be connected to the
DC-side terminals without wire end ferrules.