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The Deye SUN-50K-G04 WiFi grid-tied inverter – is a modern three-phase string inverter for commercial and industrial photovoltaic systems. It reliably converts direct current from solar panels into alternating current for feeding into the grid. Thanks to four independent MPPT trackers, the device works effectively with panels positioned at different angles and under varying light conditions, allowing for maximum utilization of solar energy potential.
The inverter has a high efficiency of up to 98.7% and a rated power of 50 kW with a short-term peak increase to 55 kW. The MPPT input voltage range is 200–1000 V, and the output voltage of 220/380 V or 230/400 V makes it compatible with most three-phase power grids. Support for power factor regulation from 0.8 leading to 0.8 lagging allows operation to be optimized for the facility’s needs, ensuring stable and safe system operation.
The SUN-50K-G04 is equipped with advanced monitoring and control features: Wi-Fi, GPRS, Bluetooth, and LAN (optional) for remote monitoring. Built-in protection systems include overvoltage, short-circuit, and reverse polarity protection, insulation resistance monitoring, ground fault monitoring, and an optional automatic arc fault circuit interrupter (AFCI). The IP65-rated design, with intelligent air cooling and an operating temperature range of -25°C to +60°C, ensures stable operation in any climatic conditions. Anti-PID support prevents panel degradation and extends their service life.
Key Technical Specifications
| Model | SUN-50K-G04 |
| Inverter Type | Grid-tied, non-isolated |
| Rated Power | 50 kW |
| MPPT trackers | 4 (3+3+3+3) |
| MPPT voltage range | 200–1000 V |
| Max. PV input power | 65 kW |
| Max. PV input voltage | 1100 V |
| Output voltage/phase | 220/380 V, 230/400 V, 3L/N/PE |
| Output frequency | 50/60 Hz |
| Power factor | 0.8 leading – 0.8 lagging |
| Total Harmonic Distortion (THDi) | <3% |
| Efficiency | Max. 98.7%, MPPT >99% |
| Protection | IP65, overvoltage, short circuit, reverse polarity, AFCI, ground fault monitoring, insulation resistance monitoring |
| Dimensions | 434 × 570 × 243 mm |
| Weight | 39 kg |
| Temperature range | -25°C to +60°C |
| Cooling | Smart air cooling |
Additional features
- Zero export function to limit energy feed-in to the grid
- Support for smart three-phase meters and integration with energy management
- Islanding protection monitoring and automatic ground fault detection
- Parallel connection of multiple inverters to increase system power
- LCD display for real-time control and parameter monitoring
- Anti-PID to extend the service life of PV panels
- Compliance with international safety and quality standards (IEC 61727, IEC 62116, EN 50549)
About Total-Energo
Total-Energo LLC provides supply, installation, configuration, and service for Deye grid-tied inverters, including the SUN-50K-G04 model. Our team provides consulting, warranty and post-warranty service, as well as integration of devices into existing energy management systems.