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
communicatio
ns cable
Outdoor shielded twisted
pair that meets the local
standard
0.25–1 mm
2
● One or
two
communic
ations
cables: 4–
11 mm
● Three
communic
ations
cables: 4–
8 mm
Prepared
by the
customer
3 PE cable Single-core outdoor
copper cable and M10
OT/DT terminals
NOTICE
You are advised to choose
the ground point on the
enclosure. The ground
point in the maintenance
compartment is used for
connecting to the PE cable
contained in the multi-core
AC power cable.
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-(100KTL, 110KTL, 125KTL) Series
User Manual 5 Electrical Connections
Issue 07 (2020-09-15) Copyright © Huawei Technologies Co., Ltd. 47
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