Table 5-3 Cable description of 4-pin models (S: cross-sectional area of the AC cable conductor; S
p
:
cross-sectional area of the PE cable conductor)
No. Cable Category Conductor
Cross-Sectional
Area Range
Outer
Diameter
Source
1 DC input power
cable
PV cable that meets the
1100 V standard
4–6 mm
2
5.5–9 mm Prepared
by the
customer
2 RS485
communications
cable
Outdoor shielded twisted
pair that meets the local
standard
0.25–1 mm
2
● One or
two
commu
nicatio
ns
cables:
4–11
mm
● Three
commu
nicatio
ns
cables:
4–8
mm
Prepared
by the
customer
3
PE cable
[1]
Single-core outdoor copper
cable and M10 OT/DT
terminals
S
p
≥ S/2 N/A Prepared
by the
customer
4 Tracking system
power cable
Three-core outdoor copper
cable with dual-layer
protection
10 mm
2
15–18 mm Prepared
by the
customer
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 5 Electrical Connections
Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. 53
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