General Descriptions:
SG250KU 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 software
Safety:
·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)
Download： SG250KU [120KB] || ETL [120KB]
Technical Specifications
| MODEL | SG250KU |
| DC SIDE DATA | |
| Max. DC Voltage | 600Vdc |
| MPP Voltage Range | 300~600Vdc |
| Max. DC Power | 260kWp |
| Max. Input Current | 800A |
| Recommend PV Array Open Circuit Voltage | 450V |
| AC SIDE DATA | |
| Rated Output Power | 250kW |
| 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 | |
| Max. Efficiency | 96.7%(with transformer) |
| Protection Degree | IP20 TYPE 1 |
| Self Consumption at Night | <30W |
| Operating Temperature | -25℃~55℃ -13~+131℉ |
| 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 |
