Connecting An Ac Input Power Cable - Huawei STS-6000K-H1 Installation Manual

STS-6000K-H1 Smart Transformer Station (Vietnam,
Duc Long Gai Lai)
Installation Guide

7.3 Connecting an AC Input Power Cable

Requirements for OT/DT Terminals
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Figure 7-4 Requirements for OT/DT terminals
Issue 02 (2020-02-21)
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 AC terminal block. Otherwise
electrochemical corrosion may occur, affecting 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 the copper-to-aluminum washers. Ensure
that the aluminum side of the washer contacts the aluminum wiring terminal, and the
copper side contacts the AC terminal block.
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