Input (DC) Max. DC power (@ cos φ =1) 141kW Max. Input voltage 1000V Start voltage 520V MPPT voltage range 500~820V Number of DC inputs 4 Output (AC) Rated power 125kW Max. Output AC power 137.5kVA Max. Output current 275A Max. THD <3%(at nominal power) Rated grid voltage 400V Grid voltage range 310~450V Rated grid frequency 50/60Hz Grid frequency range 47~52Hz/57~62Hz 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 SG 125K 97.5% European Efficiency 97.0% Protection Input side disconnection device Breaker Output side disconnection device Breaker LVRT (Zero-voltage Ride-through) DC overvoltage protection Yes Active power continuously adjustable (0100%) AC overvoltage protection Yes Grid monitoring Yes Ground fault monitoring Yes Insulation monitoring Opt Grid-friendly Reactive power control with power factor from 0.9 lagging to 0.9 leading Give reactive power compensation to the grid at night General Data according to directive Dimensions (W/H/D) Max. Efciency at 97.5% with transformer 1100kg Operating temperature range Efficient 1095x1903x939mm Weight -30~+55℃ Self-consumption at night Redundant power solution of dual power improving system <30W External auxiliary supply voltage Efcient PWM algorithm, low consumption on switch No Cooling concept Temperature controlled air-cooling Degree of protection IP54 -30℃55℃ continuously operating at rated power Max. permissible value for relative humidity (non-condensing) 0~95%, non -condensing Continuously and stably working in high altitude environment Max. altitude 6000m (derating > 3000m) Auxiliary heater (Optional) Fresh air consumption 2040m³/h Display LCD Communication port/protocols Modbus Adaptable Qualified Enel-GUIDA, TüV certication Efficiency Curve Circuit Diagram: 98% 95% Number of DC Inlets + 4 Efficiency 92% 89% 4 86% 20% 40% AC Circuit Breaker AC Contactor Number of AC Outlets L1 DC EMC Filter AC Filter AC EMC Filter L2 L3 Lightning-proof Device 80% 0% Transformer 1 1 1 N Vdc=500V Vdc=600V Vdc=820V 83% - Power Module DC Circuit Breaker 60% 80% PE 100% Normalized Output Power www.sungrowpower.com