2 MPPT architecture
Two MPP trackers covering typical commercial rooftop string layouts.
Deye · Three-phase String Inverter
Deye SUN 18/20/25K G05
Three-phase string inverter family with 18kW, 20kW and 25kW models, 2 MPP trackers, up to 98.6% maximum efficiency and IP65 protection.
- 18-25kW
- 2 MPPTs
- Up to 98.6% max. efficiency
- IP65
Available Models
Three listed TRESUN output options
TRESUN navigation lists 18/20/25K-G05. Values below are taken from the Deye SUN-18-25K-G05 datasheet.
| Model | Nominal AC power | Recommended PV power | MPPTs | Max. efficiency | Weight |
|---|---|---|---|---|---|
| SUN-18K-G05 | 18,000W | 23,400W | 2 | 98.5% | 20kg |
| SUN-20K-G05 | 20,000W | 26,000W | 2 | 98.6% | 20kg |
| SUN-25K-G05 | 25,000W | 32,500W | 2 | 98.6% | 20kg |
Datasheet Features
Features
Up to 98.6% efficiency
Maximum efficiency is up to 98.6% and MPPT efficiency is above 99%.
Zero export and VSG
Zero-export application and VSG application are listed for grid-connection projects.
Specified protection
Type II SPD is specified on DC and AC sides. String monitoring and anti-PID are optional. Protection degree is IP65.
Product Family
Specifications
For preliminary product matching. Confirm the exact model and destination-market grid requirements before quotation.
- Maximum DC voltage
- 1100V class / 1000V family rating by datasheet revision
- Start voltage
- 250V
- MPPT voltage range
- 200-850V
- Nominal AC voltage
- 220V / 380V, 230V / 400V
- AC grid connection
- 3L / N / PE
- THDi
- <3%
- Protection degree
- IP65
- Cooling
- Intelligent air cooling
- Operating temperature
- -25 C to +60 C, derating above 45 C
- Dimensions (W / H / D)
- 362 / 527 / 220mm
- Weight
- 20kg
- Interfaces
- RS485 / RS232 / WiFi / LAN
Application Fit
Three-phase commercial rooftop PV projects
The SUN-18/20/25K-G05 family is intended for three-phase commercial rooftops requiring 18-25kW nominal AC output.
Technical Source
Manufacturer datasheet
Deye SUN-18-25K-G05 datasheet. Specifications may change; confirm the exact model before order placement.
Project Enquiry
Request model matching and a quotation
Please provide the target model or output power, grid voltage, PV string design, destination market and required quantity.