Huawei SUN2000-63KTL-JPH0 User Manual page 51

SUN2000-63KTL-JPH0
User Manual

Do not connect aluminum wiring terminals to the AC terminal block. Otherwise the
electrochemical corrosion will occur and affect the reliability of cable connections.

Comply with the IEC61238-1 requirements when using copper-aluminum transition wiring
terminals, or aluminum wiring terminals along with copper-aluminum transition spacers.

If copper-aluminum transition spacers are used, pay attention to the front and rear sides.
Ensure that the aluminum sides of spacers are in contact with aluminum wiring terminals,
and copper sides of spacers are in contact with the AC terminal block.
Figure 5-6 Requirements for the OT/DT terminal
Issue 06 (2020-02-18) Copyright © Huawei Technologies Co., Ltd.
5 Electrical Connections
44