Huawei SUN2000-250KTL Series User Manual page 47

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
No. Component
E Fuse/Circuit
breaker
F AC switch
The SUN2000 has an internal residual current monitoring unit (RCMU). Its
external AC switch should be a three-phase circuit breaker or any other AC load
circuit breaker to safely disconnect the SUN2000 from the power grid.
Table 5-2 Cable description (S indicates the conductor cross-sectional area of the AC output cable,
and S indicates the conductor cross-sectional area of the PE cable)
p
No. Cable
1 DC input
power cable
Issue 02 (2022-12-20)
Description
The tracking system should be equipped with an
overcurrent protection device or component. The
power cable between the device or component and
the wiring terminal should be shorter than or equal
to 2.5 m.
A fuse or a circuit breaker is recommended.
● Installed between the SUN2000 and tracking
control box
● Fuse specifications: rated voltage ≥ 800 V; rated
current: 16 A; protection: gG
● Circuit breaker specifications: rated voltage ≥ 800
V; rated current: 16 A; tripping: C
To ensure that the SUN2000 can be safely
disconnected from the power grid when an
exception occurs, connect an AC switch to the AC
side of the SUN2000. Select an appropriate AC
switch in accordance with local industry standards
and regulations.
● Installed in the AC combiner box
● Recommended: a three-phase AC circuit breaker
with a rated voltage greater than or equal to 800
V AC and a rated current of 400 A
NO TICE
NO TE
● The cable diameter must comply with local cable standards.
● The factors that affect cable selection include the rated current, cable type, routing
mode, ambient temperature, and maximum expected line loss.
Type
PV cable that meets
the 1500 V standard
Copyright © Huawei Technologies Co., Ltd.
Conductor Outer
Cross-Sectional Diameter
Area
2 5–7.8 mm
4–6 mm
5 Installing Cables
Source
Prepared by
the
customer
Prepared by
the
customer
Source
Prepared by
the
customer
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