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3 Electrical Connection
3.1 Terminal Description
All electrical terminals are located at the bottom of the inverter.
Fig. 3-1 Terminal Description
* Image shown here is for reference only. The actual product you receive may
differ.
Tab. 3-1 Terminal Descriptions
MC4 terminals for PV inputs.
-S series: one pair of PV terminals.
-D series: three pairs for SG8K3-D and two pairs
for the other –D inverter types.
To connect a Wi-Fi module.
The left port is used to connect to the energy
meter. The right port is reserved.
The AC terminal to the utility grid.
3.2 Grounding the Inverter
All non-current carrying exposed metal parts of the equipment and other
enclosures in the PV power system should be grounded, e.g. PV strings frame
and inverter enclosure.
A second Protective Earth (PE) terminal is equipped at the bottom of the
inverter. Be sure to connect this PE terminal for reliable grounding and ensure
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