Sungrow SG125CX-P2 User Manual

8 System Decommissioning
8.1 Disconnecting Inverter
CAUTION
Danger of burns!
Even if the inverter is shut down, it may still be hot and cause burns. Wear protective
gloves before operating the inverter after it cools down.
For maintenance or other service work, the inverter must be switched off.
Proceed as follows to disconnect the inverter from the AC and DC power sources. Lethal
voltages or damage to the inverter will follow if otherwise.
step 1 Disconnect the external AC circuit breaker and prevent it from inadvertent reconnection
step 2 Rotate the DC switch to the "OFF" position for disconnecting all of the PV string inputs.
step 3 Wait about 5 minutes until the capacitors inside the inverter completely discharge.
step 4 Ensure that the DC cable is current-free with a current clamp.
- - End
8.2 Dismantling the Inverter
CAUTION
Risk of burn injuries and electric shock!
After the inverter is powered off for 5 minutes, measure the voltage and current with
professional instrument. Only when there is no voltage nor current can operators who
wear protective equipment operate and maintain 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