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Sungrow SG50CX User Manual

Sungrow SG50CX
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90
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

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Sungrow SG50CX Specifications

General IconGeneral
Max. DC Voltage1100 V
MPPT Voltage Range200 V - 1000 V
Max. Input Current per MPPT26 A
Number of MPPTs4
Rated AC Output Power50 kW
Max. AC Output Current76 A
Frequency50 Hz / 60 Hz
Efficiency98.6%
Start Voltage200 V
Number of DC Inputs per MPPT2
Max. AC Apparent Power55 kVA
AC Voltage Range310 V - 480 V
Power Factor at Rated Power1
Adjustable Power Factor Range0.8 leading - 0.8 lagging
THDi< 3%
DC SwitchYes
AC Surge ProtectionType II
DC Surge ProtectionType II
Protection ClassI
Cooling MethodSmart forced air cooling
Protection DegreeIP66
Protection LevelIP66
Operating Temperature Range-25°C to +60°C
Humidity0-100%
AC Output Voltage3 / N / PE, 220 V / 380 V, 230 V / 400 V

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