SUN2000-(33KTL, 40KTL)
User Manual
5 Electrical Connections
Issue 03 (2015-12-01)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
47
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5.3 Installing AC Output Power Cables
Connect the SUN2000 to the AC power distribution frame (PDF) or power grid using AC
output power cables.
Prerequisites
An independent three-phase circuit breaker must be installed on the AC side of each
SUN2000 to ensure that the SUN2000s can be safely disconnected from the power grid. See
10 Technical Specifications
to select the circuit breaker of the appropriate specifications.
Do not install a single circuit breaker for several SUN2000s.
Do not connect loads between the SUN2000 and circuit breaker.
Context
Outdoor copper-core cables are recommended.
Table 5-1
describes the specifications.
Table 5-1
AC output cable specifications
Inverter Model
Cable Type
Cross-sectional Area
(mm
2
)
Cable Outer
Diameter (mm)
Range
Recomme
nded
Value
Range
Recomm
ended
Value
SUN2000-33KT
L
4-core
outdoor cable
(L1, L2, L3,
and N)
16–25 (or
6–3 AWG)
16 (or 6
AWG)
24–32
28
SUN2000-40KT
L
3-core
outdoor cable
(L1, L2, and
L3)
16–35 (or
6–2 AWG)
The customer needs to prepare OT terminals. The SUN2000-33KTL requires M6 OT
terminals and a cable with the maximum cross-sectional area of 25 mm
2
can be
connected. The SUN2000-40KTL requires M8 OT terminals and a cable with the
maximum cross-sectional area of 35 mm
2
can be connected.