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SUN2000 (8KTL-28KTL)
User Manual
5 Electrical Connections
5.2 Connecting AC Output Power Cables
Connect the SUN2000 to the AC power distribution frame (PDF) or power grid over AC input
power cables.
Prerequisites
An independent there-phase circuit breaker for each inverter must be installed at the output
side to ensure that the inverter can be securely disconnected. See 10 Technical Specifications
to select the specifications of breaker.

It is not allowed for several inverters to use the same circuit breaker.

It is not allowed to connect loads between inverter and circuit breaker.
Context
Huawei recommends a soft cable for ease of installation. The outer diameter of the conductor
should be less than or equal to 4.2 mm. Table 5-1 lists the specifications.
Table 5-1 Recommended AC output power cable specifications
Inverter
Model
Range
SUN2000
-8KTL
SUN2000
-10KTL
Cross-sectional Area
(mm2)
Cable Type


SUN2000
-12KTL
Recommended Range
Value
4-core
4-core outdoor
outdoor
cable (3+N)
cable (3+N)
Recommended Range
Value
4–10
4 (12AWG)
(12AWG–
8AWG)
5-core
outdoor
cable
(3+N+PE)
SUN2000
-15KTL
6–10
6 (10AWG)
(10AWG–
8AWG)
SUN2000
-17KTL
SUN2000
-20KTL
SUN2000
-23KTL
SUN2000
-24.5KTL

3-core
outdoor
Issue 07 (2014-07-30)
External Cable Diameter (mm)
3-core outdoor
cable
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
11–20
Recommended
Value
15
NOTE
 When the outer
cable diameter
ranges from 11
mm to 13 mm,
add
cable
clamps.

When the outer
cable diameter
ranges from 16
mm to 20 mm,
strip a seal ring
from the cable
sealing
cover
interior.

When the outer
diameter of an
armored
cable
exceeds 20 mm,
strip the jacket
and
armored
layer and take
waterproof and
45