Sungrow SG125CX-P2 User Manual

5 Electrical Connection User Manual
5.14 Dry Contact Connection
5.14.1 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.
DO terminal (fault output dry contact)
The relay can be set to output fault alarms, and user can configure it to be a normally open
contact (COM
＆
NO) or a normally closed contact (COM
＆
NC).
The relay is initially at the NC contact, and it will trip to another contact when a fault occurs.
When alarm occurs, signal status change will not be triggered.
Use LED indicators or other equipment to indicate whether the inverter is in the faulty state.
The following Figures show the typical applications of normally open contact and normally
closed contact:
76

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