| SDT G2 Series |
| Technical Data |
GW17KT-DT |
GW20KT-DT |
GW25KT-DT |
| Input |
| Max. Input Voltage (V) |
1100 |
1100 |
1100 |
| MPPT Operating Voltage Range (V) |
200 ~ 950 |
200 ~ 950 |
200 ~ 950 |
| Start-up Voltage (V) |
180 |
180 |
180 |
| Nominal Input Voltage (V) |
620 |
620 |
620 |
| Max. Input Current per MPPT (A) |
25.0 |
25.0 |
37.5 / 25.0 |
| Max. Short Circuit Current per MPPT (A) |
31.2 |
31.2 |
46.8 / 31.2 |
| Number of MPP Trackers |
2 |
2 |
2 |
| Number of Strings per MPPT |
2 |
2 |
3 / 2 |
| Output |
| Nominal Output Power (W) |
17000 |
20000 |
25000 |
| Nominal Output Apparent Power (VA) |
17000 |
20000 |
25000 |
| Max. AC Active Power (W) |
19000 |
22000 |
27500 |
| Max. AC Apparent Power (VA) |
19000 |
22000 |
27500 |
| Nominal Output Voltage (V) |
400, 3L / N / PE |
400, 3L / N / PE |
400, 3L / N / PE |
| Output Voltage Range (V) (according to local standard) |
180 ~ 270 |
180 ~ 270 |
180 ~ 270 |
| Nominal AC Grid Frequency (Hz) |
50 / 60 |
50 / 60 |
50 / 60 |
| AC Grid Frequency Range (Hz) |
45 ~ 55 / 55 ~ 65 |
45 ~ 55 / 55 ~ 65 |
45 ~ 55 / 55 ~ 65 |
| Max. Output Current (A) |
28.8 |
31.9 |
40.8 |
| Power Factor |
~1 (Adjustable from 0.8 leading to 0.8 lagging) |
| Max. Total Harmonic Distortion |
<3% |
<3% |
<3% |
| Efficiency |
| Max. Efficiency |
98.4% |
98.4% |
98.4% |
| European Efficiency |
97.7% |
97.7% |
97.7% |
| Protection |
| PV Insulation Resistance Detection |
Integrated |
Integrated |
Integrated |
| Residual Current Monitoring |
Integrated |
Integrated |
Integrated |
| PV Reverse Polarity Protection |
Integrated |
Integrated |
Integrated |
| Anti-islanding Protection |
Integrated |
Integrated |
Integrated |
| AC Overcurrent Protection |
Integrated |
Integrated |
Integrated |
| AC Short Circuit Protection |
Integrated |
Integrated |
Integrated |
| AC Overvoltage Protection |
Integrated |
Integrated |
Integrated |
| DC Switch |
Integrated |
Integrated |
Integrated |
| DC Surge Protection |
Type III(Type II Optional) |
Type III(Type II Optional) |
Type III(Type II Optional) |
| AC Surge Protection |
Type III |
Type III |
Type III |
| AFCI |
Optional |
Optional |
Optional |
| General Data |
| Operating Temperature Range (°C) |
-30 ~ +60 |
-30 ~ +60 |
-30 ~ +60 |
| Relative Humidity |
0 ~ 100% |
0 ~ 100% |
0 ~ 100% |
| Max. Operating Altitude (m)*1 |
4000 |
4000 |
4000 |
| Cooling Method |
Smart Fan Cooling |
Smart Fan Cooling |
Smart Fan Cooling |
| User Interface |
LCD, LED (Optional), WLAN + APP |
| Communication |
WiFi, RS485 or LAN (Optional) |
| Communication Protocols |
Modbus-RTU (SunSpec Compliant) |
| Weight (kg) |
25.0 |
25.0 |
25.0 |
| Dimension (W × H × D mm) |
415 × 511 × 175 |
415 × 511 × 175 |
415 × 511 × 175 |
| Topology |
Non-isolated |
Non-isolated |
Non-isolated |
| Self-consumption at Night (W) |
<1 |
<1 |
<1 |
| Ingress Protection Rating |
IP65 |
IP65 |
IP65 |
| DC Connector |
MC4 (4 ~ 6mm²) |
MC4 (4 ~ 6mm²) |
MC4 (4 ~ 6mm²) |
| AC Connector |
AC Connector |
AC Connector |
AC Connector |
*1: For Australia, Max. Operating Altitude (m) is 3000.
*: Please visit GoodWe website for the latest certificates. |
