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Equipotential bonding connection procedure
The equipotential bonding connection is located on top of the battery module next to the positive
power connection as shown in chapter 6.1. Equipotential bonding connection scheme and the
required wire cross-section depend on local standards and regulation. The typical used wire cross-
2
section is 6 mm
.
When the system voltage is > 58 Vdc then connect a 6 mm
point of each battery module in the system to a Protective Earth (PE). Tighten it with 4Nm.
Figure 21 - Connection example of Equipotential bonding
ELECTRICAL HAZARD:
Make sure the equipotential bonding cable is routed with free clearance of the
battery pole.
Figure 22 - Wrong routing of equipotential bonding wire
2
wire from the equipotential bonding
44
Innovation in energy storage
Version 2.3 – 21-9-2022
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