98.6% Efficiency
Maximum energy conversion

15kW three phase string inverter (LV) with 98.6% efficiency and smart monitoring.
The Deye SUN-15K-G05-LV is a high-performance three-phase string inverter designed for residential and commercial solar applications. With 15kW power range, 98.6% max efficiency, 127V/220V or 133V/230V output, zero export and VSG support, string intelligent monitoring, and IP65 protection, it ensures optimal energy generation and smooth grid integration.
| Arc fault circuit interrupter (AFCI) | Optional |
|---|---|
| DC Injection Current | <0.5%In |
| Full Load MPPT Voltage Range(V) | 375-700 |
| MPPT Voltage Range(V) | 200-700 |
| Max. Input Short Circuit Current (A) | 39+39 |
| Max. Operating PV Input Current(A) | 26+26 |
| Max. Output Fault Current (A) | 75.2 |
| Max. Output Overcurrent Protection (A) | 85 |
| Max. PV Input Power(kW) | 19.5 |
| Max. PV Input Voltage(V) | 800 |
| Max.AC Output Apparent Power(KVA) | 16.5 |
| Max.AC Output Current(A) | 39.4/37.6 |
| Max.Efficiency | 98.5% |
| No. of MPP Trackers/No. of Strings MPP Tracker | 2/2+2 |
| PV Input Voltage Range(V) | 250-800 |
| Rated AC Output Active Power(kW) | 15 |
| Rated AC Output current (A) | 39.4/37.6 |
| Rated Output Grid Frequency/range(Hz) | 50Hz/45Hz-55Hz, 60Hz/55Hz-65Hz |
| Rated PV Input Voltage(V) | 500 |
| Start-up Voltage(V) | 250 |
| Max. Output Overcurrent Protection | 47.7 A |
| PV Input Voltage Range | 250-1000 V |
| Type | String Inverter |
| No. of Strings MPP Tracker | 2+2 |
| No. of MPP Trackers/ No. of Strings MPP Tracker | 2/2+2 |
| No. of MPP Trackers | 2 |
| Anti-islanding protection | yes |
| Communication Interface | RS485/RS232 /WiFi/LAN |
| Euro Efficiency | 98.0% |
| Full Load MPPT Voltage Range | 375-700 V |
| Grid Connection Form | 3L/N/PE |
| Grid Regulation | NBR 16149, NBR 16150, EN 50549, RD 140 |
| Ground Fault Current Monitoring | Yes |
| Inverter Topology | Non-Isolated |
| MPPT Efficiency | >99% |
| MPPT Voltage Range | 200-700 V |
| Max. AC Output Apparent Power | 15 kVA |
| Max. AC Output Current | 39.4/37.6 A |
| Max. Efficiency | 98.5% |
| Max. Input Short Circuit Current | 39+39 A |
| Max. Inverter Backfeed Current To the Array | 0 |
| Max. Operating PV Input Current | 26+26 A |
| Max. Output Fault Current | 75.2 A |
| Max. PV Input Power | 19.5 kW |
| Max. PV Input Voltage | 800 V |
| Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) |
| Over Voltage Category | OVC II(DC), OVC III(AC) |
| Overvoltage Load Drop Protection | Yes |
| Power Factor Adjustment Range | 0.8 leading to 0.8 lagging |
| Power Network Monitoring | Yes |
| Rated AC Output Active Power | 15 kW |
| Rated AC Output Current | 39.4/37.6 A |
| Rated Output Grid Frequency/Range | 50/45-55, 60/55-65 Hz |
| Rated Output Voltage/Range | 127V/220V, 133V/230V 0.85UN-1.1UN V |
| Rated PV Input Voltage | 500 V |
| Residual Current (RCD) 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 | 15 kW |
| Max PV Voltage | 800 V |
| Rated Output Voltage | 127V/220V, 133V/230V |
| Type Of Cooling | Intelligent air cooling |
|---|---|
| Ingress Protection(IP) Rating | IP 65 |
| IP Rating | IP65 |
| Noise | ≤50 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 |
Looking up an error code on this Deye SUN G04/G05/G06 3-Phase? Browse the full list of codes for this device, with the cause and recommended fix for each.
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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-15K-G05-LV supports 127V/220V and 133V/230V systems at 50/60Hz, making it versatile for various grid configurations.
Yes! Optional string intelligent monitoring provides real-time insight into individual string performance for efficient maintenance and troubleshooting.