
Deye · String inverter
Deye SUN-40/45/50K-G04
Three Phase | 40-50kW | 4 MPPT
Organized by official series page. Power ratings, regional versions and interfaces are not interchangeable. Original English tables preserve model columns and merged cells. Confirm the exact model, certification, supply, freight and lead time before purchase. Unpriced items require a quotation.
Deye · 2026-10-20
Official product features
- Max. 4 MPP trackers, Max. effificiency up to 98.7%
- Zero export application, VSG application
- String intelligent monitoring (optional)
- Wide output voltage range
- Anti-PID function (Optional)
Official technical specifications
Organized by official series page. Power ratings, regional versions and interfaces are not interchangeable. Original English tables preserve model columns and merged cells. Confirm the exact model, certification, supply, freight and lead time before purchase. Unpriced items require a quotation.
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| PV String Input Date | |||
| Max. PV Input Power(kW) | 52 | 58.5 | 65 |
| Max. PV Input Voltage(V) | 1100 | ||
| Start-up Voltage(V) | 250 | ||
| MPPT voltage range(V) | 200-1000 | ||
| Rated PV Input voltage(V) | 600 | ||
| Max. Input Short Circuit Current (A) | 60+60+60 | 60+60+60+60 | |
| Max. Operating PV Input Current(A) | 40+40+40 | 40+40+40+40 | |
| No. of MPPT Trackers/No. of Strings per MPPT Trackers | 3/3+3+3 | 4/3+3+3+3 | |
| AC Output Side | |||
| Rated AC Output Active Power(kW) | 40 | 45 | 50 |
| Max. AC Output Apparent Power(kVA) | 44 | 49.5 | 55 |
| Rated AC output current (A) | 60.6/58 | 68.2/65.2 | 75.8/72.5 |
| Max. AC IOutput Current(A) | 66.7/63.8 | 75/71.7 | 83.3/79.7 |
| Rated output voltage/range (V) | 220/380V, 230/400V 0.85Un-1.1Un | ||
| Grid Connection Form | 3L/N/PE | ||
| Rated Output Grid Frequency/range(Hz) | 50/45-55, 60/55-65 | ||
| Power Factor Adjustment Range | 0.8 leading to 0.8 lagging | ||
| Total Current Harmonic Distortion THDi | <3% | ||
| DC Injection Current | <0.5%ln | ||
| Efficiency | |||
| Max. Efficiency | 98.70% | ||
| Euro Efficiency | 98.10% | ||
| MPPT Efficiency | >99% | ||
| Equipment Protection | |||
| DC Reverse Polarity Protection | Yes | ||
| AC Output Overcurrent Protection | Yes | ||
| AC Output Overvoltage Protection | Yes | ||
| AC Output Short Circuit Protection | Yes | ||
| Thermal Protection | Yes | ||
| Insulation Impedance Detection | Yes | ||
| DC Component Monitoring | Yes | ||
| Arc Fault Circuit Interrupter (AFCI) | Optional | ||
| Anti-islanding Protection | Yes | ||
| Residual Current Detection | Yes | ||
| Surge Protection Level | TYPE II(DC),TYPE II(AC) | ||
| DC Switch | Yes | ||
| Interface | |||
| Communication Interface | RS485/RS232 | ||
| Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) | ||
| General Data | |||
| Operating Temperature Range (°C) | -25 to +60℃, >45℃ Derating | ||
| Permissible Ambient Humidity | 0~100% | ||
| Permissible Altitude (m) | 4000m | ||
| Noise (dB) | <65 | ||
| Ingress Protection(IP) Rating | IP 65 | ||
| Inverter Topology | Non-Isolated | ||
| Over Voltage Category | OVC II(DC),OVC III(AC) | ||
| Cabinet Size (WxHxD mm) | 434×570×243 (Excluding Connectors and Brackets) | ||
| Weight [kg] | 39 | ||
| Warranty [year] | 5 Years | ||
| Type Of Cooling | Intelligent Air Cooling | ||
| Grid Regulation | IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002, OVE-Richtlinie R25, G99, VDE-AR-N 4105 | ||
| Safety EMC/Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | ||
Datasheets & official documents
Download DatasheetDownload Manual 1certificate_cqc+nbt32004-2018-2certificate_emc+eniec61000-3certificate_en62109-3certificate_iec62109-3certificate_southafrica+nrs-097eudeclaration-sun-40-50k-g04+231016005certificate_iec61727+iec62116+iec61683+iec60068certificatetuvmark+en62109certificatelvd+en62109certificatefrance_en50549-10certificateen50549-10certificateemc+eniec61000certificatedubai
View official Deye product page ↗