Quick User Manual 4 Electrical Connection
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4.2 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.
The recommended cross-section area of conductor is 16 mm
2
.
The length of insulation to be stripped off is 10 mm~13 mm.
*Image shown here is for reference only. For the detailed information, see the user
manual of meter.
4.3 AC Connection
AC Circuit Breaker
An independent three or four-pole circuit breaker for the inverter must be installed
at the output side to ensure that the inverter can be securely disconnected under
load.
Inverter Type Specification for AC Circuit Breaker
SG8KTL-EC 30A
SG10KTL-EC 30A
SG12KTL-EC 32A
It is not allowed for several inverters to use the same circuit breaker.
It is not allowed to connect loads between inverter and circuit breaker.