SUN-40/45/50K-G04
SUN-40-50K-G04
The SUN-40/45/50K-G04 is a three-phase string inverter series that feeds solar power straight into the building and the grid, without a battery. It comes in 3 models, rated 40–50 kW.
We quote it on its own or as part of a matched system with Deye batteries and accessories. Availability, lead time and delivery to your site are confirmed in the written quotation.
No prices online: every order is quoted in writing.
- Manufacturer's category
- Three Phase String Inverter
- Rating
- 40–50 kW
- Phases
- 3-phase
- Models on this page
- 3
Models
| Model | Rating |
|---|---|
| SUN-40K-G04 | 40 kW |
| SUN-45K-G04 | 45 kW |
| SUN-50K-G04 | 50 kW |
Technical specifications
Values as published by the manufacturer, one column per model where the manufacturer's table has them.
A value across all model columns is the same for every model.
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| 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+60+60+60 |
| Max. Operating PV Input Current(A) | 40+40+40 | 40+40+40 | 40+40+40+40 |
| No. of MPPT Trackers/No. of Strings per MPPT Trackers | 3/3+3+3 | 3/3+3+3 | 4/3+3+3+3 |
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| 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 | ||
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| Max. Efficiency | 98.70% | ||
| Euro Efficiency | 98.10% | ||
| MPPT Efficiency | >99% | ||
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| 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 | ||
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| Communication Interface | RS485/RS232 | ||
| Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) | ||
| Model | SUN-40K-G04 | SUN-45K-G04 | SUN-50K-G04 |
|---|---|---|---|
| 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 | ||
Documents
- Datasheet (2025-05-21)Datasheet · EN · 186 KB · PDF ↗
- User manual (2026-07-02)Manual · EN · 9.1 MB · PDF ↗
10 EU-relevant certificates
EU declarations of conformity, EN and IEC test certificates and EU grid-code certificates, as published by the manufacturer. Certificates for markets outside the EU are not listed.
- EU declaration of conformityCertificate · 229 KB · PDF ↗
- EMC + EN IEC 61000 (2024-04-25)Certificate · 259 KB · PDF ↗
- EMC + EN IEC 61000 (2024-07-06)Certificate · 263 KB · PDF ↗
- EN 50549-10 (2024-07-06 #2)Certificate · 373 KB · PDF ↗
- EN 50549-10 (2024-07-06)Certificate · 624 KB · PDF ↗
- EN 62109Certificate · 155 KB · PDF ↗
- IEC 61727 + IEC 62116 + IEC 61683 + IEC 60068Certificate · 207 KB · PDF ↗
- IEC 62109Certificate · 133 KB · PDF ↗
- LVD + EN 62109Certificate · 1.3 MB · PDF ↗
- TÜV mark + EN 62109Certificate · 1.4 MB · PDF ↗
All documents open from the manufacturer's own servers, so you always get the file Deye currently publishes. Most are in English.
Key features
As listed by the manufacturer.
- 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)
Independent dealerSECURISTIKA SRL is an independent dealer of Deye products. This website is not affiliated with, endorsed by or operated by the manufacturer.
Specifications, features and documents as published by the manufacturer. Check the current datasheet before you order. Source page (opens in a new tab)
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