SG125HV String Inverter

Input (DC)

Max. PV input voltage
1500 V
Min. PV input voltage / Startup input voltage
860 V / 920 V
Nominal input voltage
1050 V
MPP voltage range
860 – 1450 V
MPP voltage range for nominal power
860 – 1250 V
No. of independent MPP inputs
1
No. of DC inputs
1
Max. PV input current
148 A
Max. DC short-circuit current
240 A

Output (AC)

Max. AC output power
125 kVA @ 50 °C
Max. AC output current
120 A
Nominal AC voltage
3 / PE, 600 V
AC voltage range
480 – 690 V
Nominal grid frequency / Grid frequency range
50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 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
98.70 %
Max. efficiency
98.90 %
CEC efficiency
98.50 %

Protection and Function

Overvoltage protection
DC Type II / AC Type II
Grid monitoring
Ground fault monitoring
Insulation monitoring
Night SVG function
DC reverse connection protection
AC short-circuit protection
Leakage current protection
AC switch
DC switch
Islanding Protection
PID recovery function

General Data

Dimensions (W x H x D)
670 × 902 × 296 mm 11.7 × 26.4 × 35.5 in
Weight
76 kg 168 lb
Isolation method
Transformerless
Degree of protection
IP65 NEMA 4X
Night power consumption
< 4 W
Operating ambient temperature range
-25 to 60 °C (> 50 °C derating); -13 °F to 140 °F (> 122 °F derating)
Allowable relative humidity range (non-condensing)
0 – 100 %
Cooling method
Smart forced air cooling
Max. operating altitude
4000 m (>3000 m derating) 13123 ft (>9843 ft derating)
Display
LED
Communication
Bluetooth+APP / RS485
Compliance
UL1741, UL1741SA, IEEE1547, IEEE1547.1, CSA C22.2 107.1-01-2001, FCC Part15 Sub-part B Class A Limits, California Rule 21, IEC 62109- 1/-2, IEC 61000-6-2/-4, IEC 61727, IEC62116, BDEW, UNE 206007- 1:2013, P.O.12.3, UTE C15-712-1:2013, CEI 0-16:2017, IEC 6
Grid Support
LVRT, HVRT, ZVRT, active & reactive power regulation, PF control, soft start/stop
Type designation
SG125HV-20
DC connection type
OT or DT terminal (Max. 185 mm²; 350 Kcmil)
AC connection type
OT or DT terminal (Max. 185 mm²; 350 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