No. Component Description Source
J
AC switch
c
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: a three-phase AC circuit
breaker with a rated voltage greater
than or equal to 415 V AC and a rated
current of:
● 25 A (SUN2000-8KTL-M2,
SUN2000-10KTL-M2,
SUN2000-12KTL-M2)
● 40 A (SUN2000-15KTL-M2,
SUN2000-17KTL-M2,
SUN2000-20KTL-M2)
Prepared by the customer
● Note a: WLAN-FE Smart Dongle: For details about the SDongleA-05 operation, see
SDongleA-05 Smart Dongle Quick Guide (WLAN-FE)
; 4G Smart Dongle: For details about the
SDongleA-03 operation, see
SDongleA-03 Quick Guide (4G)
. You can obtain the quick guide at
https://support.huawei.com/enterprise by searching for the Smart Dongle model.
● Note
b: For details about meter operations, see
DTSU666-HW Smart Power Sensor Quick
Guide
,
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual
, and
YDS60-C24
Smart Power Sensor Quick Guide
.
● Note
c: SUN2000-8KTL-M2 and SUN2000-10KTL-M2 inverters are applicable only to Australia.
● Note d: The SUN2000-(600W-P, 450W-P2) cannot be used together with the MERC-(1300W,
1100W)-P.
Table 5-2 Cable description
No.
Name Type Recommended Specications
1 DC input power cable Standard PV cable in
the industry
● Conductor cross-sectional area: 4–6
mm
2
● Cable outer diameter: 5.5–9 mm
2 (Optional) RS485
communications cable
(used to cascade
inverters or connect to
the RS485 signal port
on the SmartLogger)
Two-core outdoor
shielded twisted pair
cable
● Conductor cross-sectional area: 0.2–1
mm
2
● Cable outer diameter: 4–11 mm
SUN2000-(8KTL-20KTL)-M2
User Manual 5 Electrical Connections
Issue 11 (2023-02-07) Copyright © Huawei Technologies Co., Ltd. 40
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