SG250KU
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Catalog excerpts

Input (DC) Max. DC power (@ cos φ =1) 284kW Max. Input voltage 600V Start voltage 300V MPPT voltage range 320~600V Number of DC inputs 6 Output (AC) Rated power 250kW Max. Output AC power 275kVA Max. Output current 300A Max. THD <3%(at nominal power) Rated grid voltage 480Vac Grid voltage range 422~528Vac Rated grid frequency 60Hz Grid frequency range 59.3~60.5Hz Power factor at rated power >0.99 Isolation Transformer Yes DC current injection <0.5% of rated inverter output current Adjustable displacement factor 0.9 (lagging) ~0.9 (leading) Efficiency Max. Efficiency 97.3% European Efficiency 96.7% CEC Efficiency 96.5% SG 250KU Protection Efficient Input side disconnection device Yes AC overvoltage protection Yes Grid monitoring Yes Ground fault monitoring Precise output power metering Yes DC overvoltage protection CEC weighted efciency at 96.7% Yes Output side disconnection device Yes General Data Adaptable Dimensions (W/H/D) Compact design, easy installation and transportation 1800x2180x850mm 71x86x34 inch Weight Auxiliary heater (Optional) 1700kg -25~+55℃ -13~+131 F Operating temperature range Noise emission (typical) <100W External auxiliary supply voltage UL1547, IEEE1547, C22.2 107.1-01 o <65dB Self-consumption at night Qualified 3748 lbs No Cooling concept IP20 Max. permissible value for relative humidity (non-condensing) 0~95%, non -condensing Max. altitude 6000m (derating > 2000m) Fresh air consumption 5610m³/h Display Touch screen LCD Communication protocols Modbus Comm. Interface Efficiency Curve controlled forced-air cooling Degree of protection RS485 Ethernetoptional TYPE 1 Circuit Diagram: Efficiency Curve: 98% Efficiency 95% DC Circuit Breaker 92% LC Filter Output Transformer AC Main Contactor AC Circuit Breaker L1 DC EMC Filter 89% 86% 20% 40% L2 N 3-phase Full Bridge (IGBT) 80% 0% AC EMC Filter L3 Vdc=320V Vdc=450V Vdc=600V 83% + 60% 80% 100% Lightning-proof Device PE Normalized Output Power www.sungrowpower.com

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