Sungrow SG50CX User Manual

VI
4.4.2 Hoisting Transport...............................................................................28
4.5 Installing Mounting-bracket............................................................................29
4.5.1 PV Bracket-Mounted Installation ..........................................................30
4.5.2 Wall-Mounted Installation.....................................................................31
4.6 Installing the Inverter.....................................................................................32
5 Electrical Connection .....................................................................................34
5.1 Safety Instructions ........................................................................................34
5.2 Terminal Description .....................................................................................36
5.3 Electrical Connection Overview .....................................................................37
5.4 Crimp OT/DT terminal...................................................................................39
5.5 External Protective Grounding Connection .....................................................40
5.5.1 External Protective Grounding Requirements ........................................41
5.5.2 Connection Procedure.........................................................................41
5.6 AC Cable Connection ...................................................................................41
5.6.1 AC Side Requirements ........................................................................41
5.6.2 Requirements for OT/DT Terminal ........................................................43
5.6.3 Connection Procedure.........................................................................44
5.7 DC Cable Connection ...................................................................................46
5.7.1 PV Input Configuration ........................................................................48
5.7.2 Assembling PV Connectors .................................................................49
5.7.3 Installing PV Connector .......................................................................51
5.8 Communication Junction Box ........................................................................52
5.9 Communication Wiring Board ........................................................................53
5.10 RS485 Connection......................................................................................53
5.10.1 Interface Description .........................................................................53
5.10.2 RS485 Communication System..........................................................54
5.10.3 Connection Procedure(Terminal Block) ...............................................56
5.10.4 Connection Procedure (RJ45 Ethernet Port)........................................57
5.11 Dry Contact Connection ..............................................................................59
5.11.1 Dry Contact Function .........................................................................59
5.11.2 Wiring Procedure...............................................................................62
5.12 DRM Connection（For Countries “AU” and “NZ”）........................................62
5.12.1 DRM Function...................................................................................62
5.12.2 Connection Procedure.......................................................................63
5.13 Communication Module Connection (optional) ..............................................65
6 Commissioning ...............................................................................................66

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