Sungrow SG40CX - Page 48

38
No. Cable
Type
Specification
Cable Diame-
ter(mm)
Cross-sectional Area
(mm
2
)
3 AC cable
Outdoor multicore
copper or alumi-
nium cable
20 ~ 50
L1,L2,L3,N wire (SG30CX,
SG30CX-NI, SG33CX): 16
~ 70
L1,L2,L3,N wire (SG40CX):
25 ~ 70
L1,L2,L3,N wire (SG50CX,
SG50CX-NI): 35 ~ 70
PE wire: refer to
"table 5-2
PE Wire Requirements"
4
Communi-
cation
cable
Shielded twisted
pair (terminal
block)
4.5 ~ 18
0.1 ~ 1.5
CAT-5 Ethernet ca-
ble (RJ45)
/
table 5-2 PE Wire Requirements
Phase Wire Cross
Section S
PE Wire Cross
Section
Note
16＜S≤35mm
2
16mm
2
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 produ-
ces a conductance equivalent to that of
the wire specified in the table.
S＞35 mm
2
S/2
Other sizes of grounding cables that meet local standards and safety regulations can also
be used for grounding connections. But SUNGROW shall not be held liable for any damage
caused.
5 Electrical Connection User Manual