Sungrow SG50CX User Manual

59
Step 5 If other wiring operations need to be performed on the communication board, finish the wiring
operations before performing the following steps. If otherwise, continue to perform the fol-
lowing steps.
Step 6 Install the junction box, see
" Install the Junction Box".
Step 7 Pull the cable gently to make sure it is secured, tighten the swivel nut clockwise.
- - End
5.11 Dry Contact Connection
Dry contact cables require a cross section of 1 mm
2
to 1.5 mm
2
.
The connection procedure of the dry contact is the same as that of the RS485 ter-
minal block.
5.11.1 Dry Contact Function
The configuration circuit board is provided with fault output dry contact and emergency stop
dry contact, as shown in the figure below.
Connection method of the dry contacts is similar to that of the RS485 terminal block.
User Manual 5 Electrical Connection

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