Sungrow SG125CX-P2 User Manual

User Manual 5 Electrical Connection
NOTICE
• After being crimped, the OT terminal must wrap the wires completely, and the wires
must contact the OT terminal closely.
• When using a heat gun, protect the device from being scorched.
• Keep the PV+ cable and PV– cable close to each other when connecting DC input
cables.
• Before connecting a power cable (such as the AC cable, the DC cable, etc.), confirm
that the label and identifier on the power cable are correct.
• When laying out communication cables, separate them from power cables and
keep them away from strong interference sources to prevent communication in
terruption.
• All vacant terminals must be covered with waterproof covers to prevent affecting
the protection performance.
• Ensure that AC output cables are firmly connected. Failing to do so may cause
inverter malfunction or damage to its AC connectors.
• When the wiring is completed, seal the gap at the cable inlet and outlet holes with
fireproof/waterproof materials such as fireproof mud to prevent foreign matter or
moisture from entering and affecting the long-term normal operation of the invert
er.
The cable colors in figures in this manual are for reference only. Please select cables
according to local cable standards.
5.2 Terminal Description
All electrical terminals are located at the side and bottom of the inverter.
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Sungrow SG125CX-P2 Specifications

General

Max. DC Voltage	1100 V
Rated AC Power	125 kW
Max. DC Power	150 kW
Start-up Voltage	200 V
MPPT Voltage Range	200 V - 1000 V
Max. Short-circuit Current per MPPT	40 A
Max. AC Power	137.5 kW
Max. AC Current	198 A
Rated AC Voltage	400 V
Rated Grid Frequency	50/60 Hz
Total Harmonic Distortion	<3%
Power Factor Adjustment Range	0.8 leading to 0.8 lagging
DC Connection Type	MC4
Protection Class	IP66
Maximum DC Input Power	150 kW
DC Inputs per MPPT	2
Cooling Method	Smart forced air cooling
Operating Temperature Range	-25°C to +60°C
Humidity Range	0 - 100%
Communication	RS485, Ethernet