Table 5-1 Component description
No. Component Description Source
A PV module ● A PV string consists of PV
modules connected in series.
● The inverter supports the
input from four PV strings.
Prepared by the
customer
B Smart PV
optimizer
The SUN2000-(600W-P, 450W-
P2) and MERC-(1300W, 1100W)-
P are supported.
[3]
Purchased from
the Company
C AC switch To ensure that the inverter can
be safely disconnected from the
power grid when an exception
occurs, connect an AC switch to
the AC side of the inverter. Select
an appropriate AC switch in
accordance with local industry
standards and regulations.
Huawei recommends the
following switch specications:
Recommended: three-phase AC
circuit breaker, rated voltage ≥
415 V AC, rated current:
● 12KTL–20KTL: 40 A
● 25KTL: 50 A or 63 A
Prepared by the
customer
D SUN2000 Select a proper model as
required.
Purchased from
the Company
E SmartLogger Select a proper model as
required.
Purchased from
the Company
F
Power meter
[1]
Recommended models:
DTSU666-H, DTSU666-HW,
YDS60-80 and YDS60-C24,
DTSU71 and DHSU1079-CT
[4]
Purchased from
the Company
G Rapid shutdown
switch
Select a proper model as
required.
Prepared by the
customer
H Power grid
scheduling device
Select the devices that meet the
power grid scheduling
requirements.
Provided by the
local power grid
company
I
Smart Dongle
[2]
Supported models:
● WLAN-FE Smart Dongle:
SDongleA-05
● 4G Smart Dongle:
SDongleA-03, SDongleB-06
Purchased from
the Company
SUN2000-(12KTL-25KTL)-M5 Series
User Manual 5 Electrical Connections
Issue 10 (2024-05-14) Copyright © Huawei Digital Power Technologies Co., Ltd. 33