Sungrow SG25CX-P2 User Manual page 47

User Manual
table 5-3 Cable Requirements
No. Cable
1 DC cable
External
grounding
2
cable
3 AC cable
Communi-
4 cation
cable
*A copper to aluminum adapter terminal is required when an aluminum cable is used. For
details, refer to
** The specifications are valid only when the phase wire and PE wire use the same material.
If otherwise, ensure that the cross section of the PE wire produces a conductance equivalent
to that of the 16mm
Type
Multi-core PV
cable with a
maximum with-
stand voltage of
1100V
Outdoor single-
core copper wire
Outdoor four-
core/five-core
copper wire
Outdoor four-
core/five-core
aluminum wire*
Shielded twisted
pair
CAT 5E outdoor
shielded network
cable
" Aluminum Cable Requirements".
2 in the table.
Specification
Cable Di-
ameter Cross-sectional Area(mm
(mm)
4.7 ~ 6.4 4 ~ 6
The same as that of the PE wire in
/
the AC cable
L1,L2,L3,N wire：16~35(SG25/30/
33/36/40CX-P2)
PE wire：16**(SG25/30/33/36/
40CX-P2)
L1,L2,L3,N wire：35~50(SG50CX-
P2)
PE wire： refer
requirements"(SG50CX-P2)
18 ~ 38
L1,L2,L3,N wire：25~35(SG25/30/
33/36/40CX-P2)
PE wire：16**(SG25/30/33/36/
40CX-P2)
L1,L2,L3,N wire：35~50(SG50CX-
P2)
PE wire：refer
requirements"(SG50CX-P2)
0.5~1
5.3 ~ 7
/
5 Electrical Connection
2 )
to"table 5-4 PE wire
to"table 5-4 PE wire
37