
SUN2000-(33KTL, 40KTL)-JP
User Manual
5 Electrical Connections (2-pin Spot-Check Terminal)
Issue 07 (2019-06-30)
Copyright © Huawei Technologies Co., Ltd.
49
Figure 5-12
DC terminals
Table 5-2
DC terminal selection requirements
Number of Inputs SUN2000
1
Connects to any route.
2
Connects to routes 1 and 5.
3
Connects to routes 1, 3, and 5.
4
Connects to routes 1, 3, 5, and 7.
5
Connects to routes 1, 2, 3, 5, and 7.
6
Connects to routes 1, 2, 3, 5, 6, and 7.
7
Connects to routes 1, 2, 3, 4, 5, 6, and 7.
8
Connects to routes 1, 2, 3, 4, 5, 6, 7, and 8.
DC input power cable specifications
lists the recommended DC input power cable specifications.
Table 5-3
Recommended DC input power cable specifications
Cable Type
Conductor Cross-Sectional Area
(mm
2
)
Cable Outer
Diameter (mm)
Range
Recommended
Value
Common PV cables in the
industry (model: PV1-F)
3.5–5.5 (or 12–10
AWG)
3.5 (or 12 AWG)
4.5–7.8
Rigid cables, such as armored cables, are not recommended, because poor contact may be
caused by the bending of the cables.
Positive and negative connectors