30
(
A
)
PV string
(
B
)
Inverter
(
C
)
Grid
(
D
)
Monitoring device
(
E
)
AC circuit breaker
table 5-3 Cable Requirements
No.
Cable
Type
Specification
Cable Di-
ameter
(mm)
Cross-sectional Area(mm
2
)
1
DC cable
Multi-core PV
cable with a
maximum with-
stand voltage of
1100V
4.7 ~ 6.4
4 ~ 6
2
External
grounding
cable
Outdoor single-
core copper wire
/
The same as that of the PE wire in
the AC cable
3
AC cable
Outdoor four-
core/five-core
copper wire
18 ~ 38
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 to
(SG50CX-P2)
Outdoor four-
core/five-core
aluminum wire*
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 to
(SG50CX-P2)
User Manual
Summary of Contents for SG25CX-P2
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