Sungrow SG50CX User Manual

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• Dimensions: a≤30mm / 8.4mm≤b≤10.5mm / c≤16mm
5.6.3 Connection Procedure
High voltage may be present in inverter!
Ensure all cables are voltage-free before electrical connection.
Do not connect the AC circuit breaker until all inverter electrical connections are
completed.
Step 1 Disconnect the AC-side circuit breaker and prevent it from inadvertent reconnection.
Step 2 Take out the AC junction box and loosen the swivel nut. After removing the seals, select one
or more appropriate seals for use in combination according to the cable outer diameter, by
referring to the table below. Lead the cable through the swivel nut, seal, and junction box
successively.
Outer diameter D(mm)
Seals
20~25 a+b+c+d
25~30 a+b+c
30~40 a+b
40~50
a
Step 3 Strip the protection layer and insulation layer by specific length, as described in the figure
below.
Step 4 Make the cable and crimp OT/DT terminal,refer to " Crimp OT/DT terminal".
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