Huawei SUN2000-28KTL - Page 60

SUN2000 (8KTL-28KTL)
User Manual
5 Electrical Connections
Issue 10 (2017-07-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
53
Table 5-2 describes the recommended DC input cable specifications.
Table 5-2 Recommended DC input cable specifications
Cable Type
Cross-sectional Area (mm
2
)
Cable Outer
Diameter (mm)
Range
Recommended
Value
Common PV cable
4-6
4
4.5-7.8
Highly rigid cables, such as armored cables, are not recommended because bending may
cause poor contact.
The positive and negative DC input connectors are used, as shown in Figure 5-17 and Figure
5-18.
Figure 5-17 Positive connector composition
(1) Insulation housing
(2) Locking nut
Figure 5-18 Negative connector composition
(1) Insulation housing
(2) Locking nut