A Crimping an OT or DT Terminal
Requirements on an OT or DT Terminal
● If a copper cable is used, use copper wiring terminals.
● If a copper-clad aluminum cable is used, use copper wiring terminals.
● If an aluminum alloy cable is used, use copper-to-aluminum wiring terminals,
or aluminum wiring terminals along with copper-to-aluminum washers.
● Do not connect aluminum wiring terminals to the terminal block. Otherwise
electrochemical corrosion may occur,
aecting the reliability of cable
connections.
● Comply with the IEC 61238-1 requirements when using copper-to-aluminum
wiring terminals, or aluminum wiring terminals along with copper-to-
aluminum washers.
● Do not mix up the aluminum and copper sides of a copper-to-aluminum
washer. Ensure that the aluminum side of the washer contacts the aluminum
wiring terminal, and that the copper side contacts the terminal block.
SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual A Crimping an OT or DT Terminal
Issue 07 (2023-06-30) Copyright © Huawei Technologies Co., Ltd. 103
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