Table 5-2 Cable description
No. Name Type Recommended
Specications
1 DC input power cable Common outdoor PV
cable in the industry
(Recommended
model: PV1-F)
● Conductor cross-
sectional area: 4–6
mm
2
● Cable outer
diameter: 5.5–9
mm
2 (Optional) Battery
cable
3 (Optional) Signal
cable
a
Outdoor shielded
twisted pair
● Conductor cross-
sectional area: 0.2–
1 mm
2
● Cable outer
diameter: 4–11 mm
4 AC output power
cable
b
Outdoor copper cable ● Conductor cross-
sectional area: 4–6
mm
2
● Cable outer
diameter: 10–21
mm
5 PE cable Single-core outdoor
copper-core cable
Conductor cross-
sectional area: ≥ 4
mm
2
Note a: When the smart power sensor and battery are connected to the
SUN2000 at the same time, use a cable core with a cross-sectional area of 0.2
mm
2
to 0.5 mm
2
.
Note b: The minimum cable diameter depends on the fuse rating on the AC
side.
● The minimum cable diameter should comply with the local cable standard.
● Factors inuencing cable selection are as follows: rated current, type of cable, routing
method, ambient temperature, and maximum desired line losses.
SUN2000-(3KTL-10KTL)-M1 Series
User Manual 5 Electrical Connections
Issue 17 (2024-01-12) Copyright © Huawei Technologies Co., Ltd. 42