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Sungrow SG50CX User Manual

Sungrow SG50CX
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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

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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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