Sungrow SG20RT User Manual

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figure 5-6 Multi-inverter Connection
• The maximum number of inverters allowed to be connected in the same point
of connection is 5.
• The RS485 communication cable should be shielded twisted pair cables or
shielded twisted pair Ethernet cables.
• The RS485 cable between two devices should be not longer than 10 m.
• The RS485 communication cannot be used simultaneously with COM1 port for
WiNet-S/WiNet-S2.
• Refer to the manual of Logger for the communication connection to the meter.
5.10.2 Assembling the COM Connector
step 1 Unscrew the swivel nut from the connector.
step 2 Take out the terminal block.
step 3 Remove the seal and lead the cable through the cable gland.
5 Electrical Connection User Manual

Sungrow SG20RT Specifications

General

Model	SG20RT
Category	Inverter
Max. DC Voltage	1100 V
Rated AC Power Output	20 kW
Max. Efficiency	98.6%
Max. DC Input Power	30 kW
Max. Input Voltage	1100 V
Start Voltage	200 V
Number of MPPTs	2
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	22 kVA
Rated Grid Frequency	50 Hz / 60 Hz
Max. Output Current	32 A
Power Factor at Rated Power	>0.99
THDi	<3%
DC Switch	Yes
Protection Class	IP65
Cooling Method	Natural Convection
Protection Degree	IP65
Protection Level	IP65
MPPT Voltage Range	200 V - 1000 V
Operating Temperature Range	-25°C to +60°C
Input Voltage Range	200 V - 1000 V
MPPT Range	200 V - 1000 V
AC Voltage Range	310 V - 480 V