Terminals Description; Meter Connection (Optional) - Sungrow SG3KTL-EC User Manual

5 Electrical Connection

5.2 Terminals Description

All electrical terminals are located at the bottom of the inverter. Fig. 5-2 shows the
connection area.
Enough space around the inverter should be kept for electrical
connection when choosing the installation site.
Item Description
1 Integrated DC switch
2 DC connectors: MC4
3 AC connection terminal
4 Wi-Fi connection terminal
5 DI connection terminal
6 RS485 connection terminal
7 NET connection terminal
8 Second PE terminal

5.3 Meter Connection (optional)

The smart energy meter is installed between the air breaker and the grid. It
measures the feed-in power and communicates with the inverter through RS485
connection. This section describes the power cables connection of the meter.
The following figure shows the cable requirements and connection.
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1 2 4 6 7
Fig. 5-2 Terminals Description
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User Manual
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