Sungrow SG50CX User Manual

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figure 7-22 Grounding Detection
If the grounding detection is enabled, the DO relay will switch on automatically to signal the
external alarm if the value exceeds the grounding detection alarm value.
The PV insulation resistance fault (fault sub-code 039) will trigger the DO relay to signal the
external alarm.
7.8.7 Password Changing
Tap Modify Password to enter the modify password interface, as shown in the following
figure.
figure 7-23 Modify Password
The password shall consisit of 8–20 digits, including letters and numbers.
7 iSolarCloud App User Manual

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