5 Electrical Connection User Manual
table 5-1 Cable Requirements
Specification
No. Cable Type
Cable Diame
ter(mm)
Cross-sectional Area(m
m
2
)
1 DC cable
PV cable complying
with 1,500V stan
dard
6 ~ 9 4~6
2
Additional
grounding
cable
Outdoor sin
gle-core copper
wire cable
The same as that of the PE wire in the AC ca
ble
L1,L2,L3,(N) wire: 70 ~ 240
Four/Five-core out
door copper or alu
minum cable
(1)(2)
38 ~ 56
PE wire: refer to table 5-2
PE Wire Requirements
L1,L2,L3,(N) wire: 70 ~ 240
3 AC cable
Four single-core
outdoor copper
or aluminum ca
bles
(1)(2)
14 ~ 32
PE wire: refer to table 5-2
PE Wire Requirements
Shielded twisted
pair (terminal block)
0.1 ~ 1.5
4
Communi
cation ca
ble
CAT-5 Ethernet ca
ble (RJ45)
4.5 ~ 18
/
(1) A copper to aluminum adapter terminal is required when an aluminum cable is used. For
details, refer to Aluminum Cable Requirements.
(2) In the case of four single-core cables, a spare AC sealing plate accessory is required as
shown in the following figure. To purchase the AC sealing plate accessory, contact your distrib
utor. If the distributor is unable to provide the AC sealing plate accessory, contact SUNGROW.
figure 5-3 Spare AC Sealing Plate
Inverter for Australia and New Zealand are equipped with the four-core sealing plate
by default.
36