SG250HX-US String Inverter

Input (DC)

Max. PV input voltage
1500 V
Min. PV input voltage / Startup input voltage
600 V / 600 V
Nominal input voltage
1080 V
MPP voltage range
600 V – 1500 V
MPP voltage range for nominal power
860 V – 1300 V
No. of independent MPP inputs
12
Max. PV input current
26 A * 12
Max. current for input connector
30 A
Max. DC short-circuit current
50 A * 12

Output (AC)

Nominal AC output power
250 kVA @ 30 ℃ / 225 kVA @ 40 ℃ / 200 KVA @ 50 ℃
Max. AC output current
180.5 A
Nominal AC voltage
3 / PE, 800 V
AC voltage range
680 – 880V
Nominal grid frequency / Grid frequency range
50 Hz / 45 – 55 Hz, 60 Hz / 57 – 63 Hz
THD
< 3 % (at nominal power)
DC current injection
< 0.5 % In
Power factor at nominal power / Adjustable power factor
> 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / Connection phases
3 / 3

Efficiency

Euro. efficiency
98.50 %
Max. efficiency
99.00 %

Protection and Function

Overvoltage protection
DC Type II and AC Type II
Ground fault monitoring
Anti-PID function
An-ti PID or PID recovery
DC reverse connection protection
AC short-circuit protection
Leakage current protection
AC switch
DC switch
PV string current monitoring
Arc fault circuit interrupter (AFCI)

General Data

Dimensions (W x H x D)
1,051 × 660 × 363 mm 41.4 × 26 × 14.3 in
Weight
99 kg 218.25 lb
Isolation method
Transformerless
Degree of protection
NEMA 4X
Night power consumption
< 2 W
Operating ambient temperature range
-30 to 60 ℃ ('-22 to 140 ℉)
Allowable relative humidity range (non-condensing)
0 – 100 %
Cooling method
Smart forced air cooling
Max. operating altitude
4000 m (> 3000 m der atin g) 13123 ft (> 9843 ft derating)
Display
LED, Bluetooth+APP
Communication
RS485 / PLC
Compliance
UL1741, UL1741SA, IEEE1547, IEEE1547.1, CSA C22.2 107.1-01-2001, FCC Part15 Sub-part B Class A Limits, California Rule 21,UL 1699B
Grid Support
Reactive power at night function, LVRT, HVRT,active & reactive power control and power ramp rate control, Volt/Watt, Frequency/Watt
DC connection type
OT / DT terminal (Max. 300 mm² 600 Kcmil)

Standard Accessories

DC main output load switch
PV specific application SPD
PV SPD failure monitoring
PV self power supply for internal loads
Communication port
Current and voltage monitoring for each string