Sungrow SG50CX User Manual

56
5.10.3 Connection Procedure(Terminal Block)
RS485 communication cables should be shielded twisted pair cables or shielded
twisted pair Ethernet cables.
There are three communication terminals, and the silkscreen marks are COM1/
COM2/COM3. Please choose according to the actual situation.
Step 1 Remove the communication junction box, see
" Remove the Junction Box".
Step 2 Strip the protection layer and insulation layer by appropriate length.
Step 3 Loosen the swivel nut of the junction box and select an appropriate seal according to cable
outer diameter. Lead the cable through the swivel nut, seal, and junction box successively.
Outer Diameter D(mm)
Seal
4.5 ~ 6
c
6 ~ 12 a + b
12 ~ 18 b
Step 4 Secure the cable to the terminal base.
5 Electrical Connection 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