No. Component Description Source
H Smart PV
optimizer
[3]
MERC-1300W-P, MERC-1100W-P,
SUN2000-600W-P, SUN2000-450W-
P2, SUN2000-450W-P.
Purchased from
Huawei
Note [1]: For details about meter operations, see
DTSU666-HW Smart Power
Sensor Quick Guide
,
YDS60-80 Smart Power Sensor Quick Guide, DTSU666-
H and DTSU666-H 250 A (50 mA) Smart Power Sensor Quick Guide
and
DTSU666-H 100 A and 250 A Smart Power Sensor User Manual
.
Note [2]: SUN2000MA V100R001C20SPC116 and later versions can connect to
DTSU666-HW power meter.
Note [3]: For details about how to operate optimizers, see MERC Smart PV
Optimizer User Manual and SUN2000 Smart PV Optimizer User Manual.
The cable specications must comply with local standards.
Table 5-2 Cable description
No.
Cable Type Recommended
Specications
Source
1 DC input
power
cable
Common PV cable in the
industry
(Recommended model:
PV1-F)
● Conductor cross-
sectional area: 4–6
mm
2
● Cable outer
diameter: 5.5–9
mm
Prepare
d by
users
2 AC
output
power
cable
Outdoor copper-core/
aluminum-core cable
● Conductor cross-
sectional area:
16-50 mm
2
outdoor copper-
core cable or 35-50
mm
2
outdoor
aluminum-core
cable
● Cable outer
diameter: 16–38
mm
Prepare
d by
users
3 (Option
al)
Signal
cable
Two-core outdoor
shielded twisted pair
(recommended model:
DJYP2VP2-2x2x0.75)
● Conductor cross-
sectional area: 0.2–
1 mm
2
● Cable outer
diameter: 4–11 mm
Prepare
d by
users
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 5 Electrical Connections
Issue 11 (2023-01-10) Copyright © Huawei Technologies Co., Ltd. 36
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