PV Grid-connected inverter_SG250KU

ETL certificate For North American market

General DescriptionsSG250KU is specially-designed for the North America market.  Its wider input voltage range ensures more combinations of the PV arrays. Moreover, optical fiber isolation technology has been adopted to increase its anti-interference ability under the circumstances of multiple inverters installation. In addition, optimized circuit and structural design has improved system thermal efficiency which enhancing system reliability and stability. Reinforced protection functions, including the DC ground fault protection, make it the best product for the large-scale PV power station in North American market.Technical Features • Power reduction function • Reactive Power Control with power factor from 0.95 lagging to 0.95 leading • CEC Weighted Efficiency at 96.7% • Easy Installation and maintanence • Precise output power metering • Multilingual LCD display & multiple communication inter faces available • Auxiliary heating device available (optional) • ETL certified according to U.S standard UL1741 and IEEE1547; Canada standard C22.2 107.1-01 (pending)Communications • RS485/Ethernet/GPRS interfaces • Computer monitoring softwareSafety·Full protection functions: over-voltage protection, short-circuit protection, islanding protection, over-heat protection •  DC ground-fault protection·Over-load protection·Standards complied: ETL certified according to U.S standard UL1741 and IEEE1547; Canada standard C22.2 107.1-01 (pending) 

Technical Specifications    

MODEL	SG250KU
DC SIDE DATA
Max. DC Voltage	600Vdc
Start Voltage	320V
MPP Voltage Range	300~600Vdc
Min. DC Voltage	300V
Max. DC Power	260kWp
Max. Input Current	800A
AC SIDE DATA
Rated Output Power	250kW
Max. AC Output Current	330A
Rated Grid Voltage	480Vac
Grid Voltage Range	420~530Vac
Rated Grid Frequency	60Hz
Grid Frequency Range	59.5~60.5Hz
Grid Current THD	< 5%
DC Current Injection	<0.5% of rated inverter output current
Power Factor	0.95(lagging)~0.95(leading)
SYSTEM
CEC Weighted Efficiency	96.7%(with transformer)
Protection Degree	IP20                                      TYPE 1
Self Consumption at Night	<30W
Operating Temperature	-25°C~55°C                          -13~+131°F
Cooling Method	controlled forced-air cooling
Relative Humidity	0~95%, non-condensing
Max. Working Altitude	2000m
DISPLAY AND COMMUNICATIONS
Display	touch screen LCD
Standard Comm. Interfaces	RS485
Optional Comm. Interfaces	Ethernet/GPRS
MECHANICAL DATA
Dimensions(WxHxD)	2400x2180x850mm              95x86x34 inch
Net Weight	1700kg                                     3748 lbs

PV Grid-connected inverter_SG250KU