LUNA2000-(5-30)-S0 
User Manual 
 
Copyright © Huawei Technologies Co., Ltd. 
 
5 Electrical Connection 
Precautions 
 
 
Before connecting cables, ensure that the DC switch on the battery and all the switches 
connected to the battery are set to OFF. Otherwise, the high voltage of the battery may result 
in electric shocks. 
 
 
 
The equipment damage caused by incorrect cable connections is not covered under any 
warranty. 
 
Only certified electricians are allowed to connect cables. 
 
Operation personnel must wear proper PPE when connecting cables. 
 
The cable colors shown in the electrical connection diagrams provided in this chapter are for reference 
only. Select cables in accordance with local cable specifications (green-and-yellow cables are only used 
for PE). 
5.1    Preparing Cables 
5.2    Internal Electrical Connections of the Battery 
5.3    External Electrical Connections of the Battery 
5.4    (Optional) Cascading Batteries 
5.5    Installing the Cover