Sonic Series
AC EV Charging Station
User Manual
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can be effectively protected zero connection. The Fig.5-4 shows the TN-C power supply
system with earth rod.
Fig. 5-4 Sonic work in TN-C system with earth rod
In TN-C, for local earth rod where there is no condition to install, a series of circuits are set
inside Sonic to protect safety. Even if leakage fault occurs when PEN is disconnected or
three-phase voltage is unbalanced, Sonic can quickly interrupt charging and protect the
personal safety of users.
c) TN-C-S power supply system wiring mode
The connection method is the same as that of TN-S power supply system.
5.4. Installation steps
Install the Charging station on the wall follow the steps as below.
◼ Step 1: Drilling
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