SOFAR 3.3K~12KTL-X User manual
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Figure 2-2 Inverter front & side dimensions
Intended grid types
SOFAR 3.3K~12KTL-X inverters are compatible with TN-S, TN-C, TN-C-
S, TT IT grid configurations. For the TT type of electricity grid,the voltage
between neutral and earth should be less than 30V.