Huawei SUN2000-75KTL Series - Connecting Cables to Amphenol Helios H4 Connectors

Number
of PV
Strings
Terminal Selection Number
of PV
Strings
Terminal Selection
5 PV2, PV6, PV10, PV14, and
PV18
6 PV2, PV4, PV6, PV10, PV14,
and PV18
7 PV2, PV4, PV6, PV10, PV14,
PV18, and PV20
8 PV2, PV4, PV6, PV8, PV10,
PV14, PV18, and PV20
9 PV2, PV4, PV6, PV8, PV10,
PV14, PV16, PV18, and
PV20
10 PV2, PV4, PV6, PV8, PV10,
PV12, PV14, PV16, PV18,
and PV20
11 PV1, PV2, PV4, PV6, PV8,
PV10, PV12, PV14, PV16,
PV18, and PV20
12 PV1, PV2, PV4, PV6, PV8,
PV10, PV12, PV14, PV16,
and PV18–PV20
13 PV1–PV4, PV6, PV8, PV10,
PV12, PV14, PV16, and
PV18–PV20
14 PV1–PV4, PV6, PV8, PV10,
PV12, PV14, and PV16–
PV20
15 PV1–PV6, PV8, PV10, PV12,
PV14, and PV16–PV20
16 PV1–PV6, PV8, PV10, PV12,
and PV14–PV20
17 PV1–PV8, PV10, PV12, and
PV14–PV20
18 PV1–PV8, PV10, and PV12–
PV20
19 PV1–PV10 and PV12–PV20 N/A N/A
5.7.2 Connecting Cables to Amphenol Helios H4 Connectors
Specication Requirements
Cables with high rigidity, such as armored cables, are not recommended, because
poor contact may be caused by the bending of cables.
CA UTION
Use the Amphenol Helios H4 connectors delivered with the solar inverter. If the PV
connectors are lost or damaged, purchase the connectors of the same model. The
device damage caused by incompatible PV connectors is beyond the warranty
scope.
Procedure
Step 1 Prepare the DC input power cables.
Step 2 Crimp positive and negative metal contacts.
Step 3 Insert the contacts into the corresponding positive and negative connectors.
SUN2000-(75KTL, 100KTL, 110KTL, 125KTL) Series
User Manual 5 Electrical Connections
Issue 15 (2023-01-31) Copyright © Huawei Technologies Co., Ltd. 68