98.7% Efficiency
Maximum energy conversion

45kW three phase string inverter with 98.7% efficiency and 1100V max PV voltage.
The Deye SUN-45K-G04 series represents the pinnacle of solar energy conversion for demanding commercial installations. With 45kW power range, 98.7% max efficiency, up to 58.5kW PV input, 1100V max PV voltage, 200-1000V MPPT range, IP65 protection, Anti-PID function, and VSG support, it delivers unparalleled performance and versatility.
| Max. Output Overcurrent Protection | 132.5 A |
|---|---|
| PV Input Voltage Range | 250-1100 V |
| Type | String Inverter |
| Rated output voltage | 220/380V 230/400V |
| No. of Strings MPP Tracker | 3+3+3 |
| No. of MPP Trackers/ No. of Strings MPP Tracker | 3/3+3+3 |
| No. of MPP Trackers | 3 |
| Anti-islanding protection | yes |
| Communication Interface | RS485/RS232 |
| Euro Efficiency | 98.1% |
| Full Load MPPT Voltage Range | 450-850 V |
| Grid Connection Form | 3L+N+PE |
| Grid Regulation | IECUNE61727,217002,IEC62116,OVE-RichtlinieCEI0-21, ENR25,50549,G99,VDE-AR-NNRS097,RD4105140, |
| Inverter Topology | Non-Isolated |
| MPPT Efficiency | >99% |
| MPPT Voltage Range | 200-1000 V |
| Max. Input Short Circuit Current | 60+60+60 A |
| Max. Inverter Backfeed Current To the Array | 0 |
| Max. Operating PV Input Current | 40+40+40 A |
| Max. Output Fault Current | 130.4 A |
| Max. PV Input Power | 58.5 kW |
| Max. PV Input Voltage | 1100 V |
| Max.AC Output Apparent Power | 49.5 kVA |
| Max.AC Output Current | 75/71.7 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 | 45 kW |
| Rated AC Output current | 68.2/65.2 A |
| Rated Output Grid Frequency/range | 50Hz/45Hz-55Hz, 60Hz/55Hz-65 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 | 45 kW |
| Max PV Voltage | 1100 V |
| European Efficiency | 98.1 % |
| THDi | <3 % |
| Max Apparent Power | 49.5 kVA |
| Type Of Cooling | Intelligent air cooling |
|---|---|
| Ingress Protection(IP) Rating | IP 65 |
| IP Rating | IP65 |
| Noise Level | <50 dB |
| Noise | <65 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 |
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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-45K-G04 series supports up to 58.5kW of PV input power, allowing for high DC/AC ratios and maximum energy harvest.
Yes! The optional Anti-PID function helps prevent long-term performance degradation of solar panels, ensuring high efficiency over the system's lifespan.