Sungrow SG50CX Quick Guide

TD_20210219_SG30-50-110CX Commissioning Guide_V1.1 Page 5 of 21
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As we continuously improving our products, changes to this document may occur without notice.
2 RS485 Connections
2.1 Inverter Connection (Daisy Chain)
Recommend that RS485 can be connected by terminal blocks.
Please note SG15/20KTL-MT inverters connection is different as SG30/50/110CX inverters.
Optional: Ensure the termination resistors (120 Ohm) are enabled ON (SW1) at each
end of the RS485 in the inverter line (only the first and the last inverter) when more
than 15 inverters are connected.

Sungrow SG50CX Specifications

General

Max. DC Voltage	1100 V
MPPT Voltage Range	200 V - 1000 V
Max. Input Current per MPPT	26 A
Number of MPPTs	4
Rated AC Output Power	50 kW
Max. AC Output Current	76 A
Frequency	50 Hz / 60 Hz
Efficiency	98.6%
Start Voltage	200 V
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	55 kVA
AC Voltage Range	310 V - 480 V
Power Factor at Rated Power	1
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
THDi	< 3%
DC Switch	Yes
AC Surge Protection	Type II
DC Surge Protection	Type II
Protection Class	I
Cooling Method	Smart forced air cooling
Protection Degree	IP66
Protection Level	IP66
Operating Temperature Range	-25°C to +60°C
Humidity	0-100%
AC Output Voltage	3 / N / PE, 220 V / 380 V, 230 V / 400 V