Sungrow SG125CX-P2 User Manual

5 Electrical Connection User Manual
figure 5-6 Multi-inverter Communication Sys
tem
【RS485_1
interface (terminal
block)】
figure 5-7 Multi-inverter Communica
tion System
【RS485_1
interface
(RJ45)】
The length of an RS485 cable cannot exceed 1200m.
If multiple inverters communicate via the smart communication box, the number of
permissible daisy chains and the number of devices allowed to be connected should
meet the requirements (refer to the user manual of the smart communication box).
5.13.3 Connection Procedure(Terminal Block)
step 1 Remove the communication junction box, referring toRemove the Communication Junction Box.
step 2 Unscrew the swivel nut of the junction box and select the sealing ring according to the cable di
ameter.
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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