● You are advised to use the H4TC0003 (Amphenol) crimping tool and do not use
it with the positioning block. Otherwise, the metal terminals may be damaged.
● The H4TW0001 (Amphenol) open-end wrench is recommended.
● Cables with high rigidity, such as armored cables, are not recommended as DC
input power cables, because poor contact may be caused by the bending of the
cables.
● Before assembling DC connectors, label the cable polarities correctly to ensure
correct cable connections.
● After the positive and negative connectors snap into place, pull the DC input
cables back to ensure that they are connected securely.
Figure 5-13 Connecting the DC power cable
During DC input power cabling, leave at least 50 mm of slack. The axial tension
on PV connectors must not exceed 80 N. Radial stress or torque must not be
generated on PV connectors.
----End
SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual 5 Electrical Connections
Issue 05 (2023-02-28) Copyright © Huawei Technologies Co., Ltd. 46
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