Huawei SUN2000 M0 Series - Page 40

No. Name Type Recommended
Specications
3 (Optional) RS485
communications cable
(used to connect to
the RS485 signal port
on devices such as the
Smart Power Sensor
and the energy
storage device)
Two-core outdoor
shielded twisted pair
cable
● Conductor cross-
sectional area: 0.2–
1 mm
2
Note: When
devices such as the
Smart Power
Sensor and the
energy storage
device are both
connected to the
inverter, use 0.2–
0.5 mm
2
cords.
● Cable outer
diameter: 4–11 mm
4 (Optional) Power grid
scheduling signal
cable
Five-core outdoor
cable
● Conductor cross-
sectional area: 0.2–
1 mm
2
● Cable outer
diameter: 4–11 mm
5 AC output power
cable
a
Outdoor copper cable ● Conductor cross-
sectional area: 4–6
mm
2
● Cable outer
diameter: 10–21
mm
6 PE cable Single-core outdoor
copper cable
Conductor cross-
sectional area ≥ 4
mm
2
Note a: The minimum cable diameter depends on the fuse rating on the AC
side.
NO TE
● The minimum cable diameter should comply with the local cable standard.
● Factors inuencing cable selection are as follows: nominal AC current, type of cable,
routing method, ambient temperature, and maximum desired line losses.
SUN2000-(3KTL-10KTL)-M0
User Manual 5 Electrical Connections
Issue 06 (2020-10-23) Copyright © Huawei Technologies Co., Ltd. 33