98.8% Efficiency
Maximum energy conversion

75kW three phase string inverter with 98.8% efficiency and 6 MPPT channels.
The Deye SUN-75K-G03 series represents the pinnacle of three-phase string inverter technology for commercial and industrial applications. With 75kW power range, 98.8% max efficiency, up to 6 MPPT channels, 200-850V MPPT range, Anti-PID function, VSG support, and IP65 protection, it delivers exceptional performance for large-scale solar installations.
| AC Output Active Power(kW) | 75 |
|---|---|
| AC Output current (A) | 113.6/108.7 |
| Output Current(A) | 125/119.6 |
| Output Fault Current (A) | 217.4 |
| Output Overcurrent Protection (A) | 206 |
| DC Injection Current | <0.5% |
| Full Load MPPT Voltage Range(V) | 550-850 |
| MPPT Voltage Range(V) | 200-850 |
| Max. Output Fault Current (A) | 217.4 |
| Max. Output Overcurrent Protection (A) | 206 |
| Max. PV Input Power(kW) | 97.5 |
| Max. PV Input Voltage(V) | 1000 |
| Max.AC Output Current(A) | 125/119.6 |
| PV Input Voltage Range(V) | 250-1000 |
| Rated AC Output Active Power(kW) | 75 |
| Rated AC Output current (A) | 113.6/108.7 |
| Rated PV Input Voltage(V) | 600 |
| Start-up Voltage(V) | 250 |
| Max. Output Overcurrent Protection | 206 A |
| PV Input Voltage Range | 250-1100 V |
| Type | String Inverter |
| Max PV Voltage | 1000 |
| No. of Strings MPP Tracker | 4+4+4+4+4+4 |
| No. of MPP Trackers | 6 |
| No. of MPP Trackers/ No. of Strings MPP Tracker | 6/4+4+4+4+4+4 |
| Anti-islanding protection | yes |
| Communication Interface | RS485/RS232 |
| Euro Efficiency | 98.1% |
| Full Load MPPT Voltage Range | 550-850 V |
| Grid Connection Form | 3L+N+PE |
| Grid Regulation | UNEIEC61727,217002,IECOVE-Richtlinie62116,CEI0-21,R25,CEIG99,0-16,VDE-AR-NEN50549,4105,NRSVDE-AR-N097,RD140,4110 |
| Inverter Topology | Non-Isolated |
| MPPT Efficiency | >99% |
| MPPT Voltage Range | 200-850 V |
| Max. Input Short Circuit Current | 60+60+60+60+60+60 A |
| Max. Inverter Backfeed Current To the Array | 0 |
| Max. Operating PV Input Current | 40+40+40+40+40+40 A |
| Max. Output Fault Current | 217.4 A |
| Max. PV Input Power | 97.5 kW |
| Max. PV Input Voltage | 1000 V |
| Max.AC Output Apparent Power(KVA | 82.5 |
| Max.AC Output Current | 125/119.6133.3/127.5 A |
| Max.Efficiency | 98.7% |
| Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) |
| Over Voltage Category | OVC II(DC),OVC III(AC) |
| Power Factor Adjustment Range | 0.8 leading-0.8lagging |
| Rated AC Output Active Power | 75 kW |
| Rated AC Output current | 106.1/101.5 113.6/108.7 121.2/115.9 136.4/130.4151.5/144.9166.7/159.4 A |
| Rated Output Grid Frequency/range | 50Hz/45Hz-55Hz, 60Hz/55Hz-65Hz HZ |
| Rated Output voltage/range | 220/380V, 230/400V 0.85Un-1.1Un V |
| Rated PV Input Voltage | 600 V |
| Residual Current Detection | yes |
| Safety EMC/Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 |
| Start-up Voltage | 250 V |
| Surge Protection Level | TYPE II(DC), TYPE II(AC) |
| Thermal Protection | yes |
| Total Current Harmonic Distortion THDi | <3% |
| Rated AC Power | 75000 W |
| MPPT Channels | 4 |
| European Efficiency | 98.2 % |
| THD | <3 % |
| Grid Connection | 3L/N/PE |
| Rated Output Voltage | 220/380V, 230/400V |
| Type Of Cooling | Intelligent air cooling |
|---|---|
| Weight [kg] | 81 |
| Ingress Protection(IP) Rating | IP 65 |
| IP Rating | IP65 |
| Cooling | Intelligent Air Cooling |
| Noise | ≤ 55 dB |
|---|---|
| Operating Temperature Range | -25℃ to +60℃,>45℃ derating °C |
| Permissible Altitude | 4000 m |
| Permissible Ambient Humidity | 0-100% |
| Operating Temperature | -25 to 60 °C |
| Max Altitude | 4000 m |
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Read: SEC Net-Metering in Saudi Arabia: How to Apply for Rooftop Solar Approval (2026) →Yes. DEYE inverters are rated for high ambient temperatures and dusty conditions common across the Gulf, North Africa and the wider MEA region, with IP-rated enclosures for outdoor installation in shaded areas.
The SUN-75K-G03 series can handle up to 97.5kW of PV input power, allowing for high DC/AC ratios and maximum energy harvest.
Yes! The inverter is rated for operation up to 4000m altitude, making it suitable for installations in mountainous regions.