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On-grid inverter Sungrow SG20RT rated 20 kW, three-phase, 2 MPPT. Max. DC voltage 1100 V, maximum efficiency 98.5%, European efficiency 98.1%. IP rating IP65, operating temperature −25 to 60 °C. Dimensions 480 × 370 × 195 mm (H × W × D), weight 21 kg, warranty 10 years.
| Series | SG15/17/20RT |
|---|---|
| Product warranty | 10 years |
| Series AC power range | 15-20 kW |
| Max. DC power | 30 kW |
| Max. DC voltage | 1100 V |
| Max. DC current | 50 A |
| Strings per MPPT | 2 |
| DC inputs | 2 |
| Connectors | MC4 |
| Max. AC power | 22 kW |
| AC output voltage range | 180-276 / 311-478 V |
| Nominal AC voltage | 220/380; 230/400; 240/415 V |
| Max. AC current | 31.9 A |
| Nominal AC current | 29 A |
| Frequency range | 45-55 / 55-65 Hz |
| Frequency | 50/60 Hz |
| Power factor | > 0.99 (adjustable 0.8 leading to 0.8 lagging) |
| Maximum efficiency | 98.5 % |
| European efficiency | 98.1 % |
| Operating temperature range | -25 ~ +60 °C |
| IP rating | IP65 |
| Display | LED |
| Protection features | Grid monitoring DC reverse connection protection AC short-circuit protection Leakage current protection Surge Protection Ground fault monitoring DC switch PV String current monitoring Arc fault circuit interrupter (AFCI) PID recovery function |
| Inverter type | On-grid |
|---|---|
| Number of MPPT | 2 |
| Inverter power | 20 kW |
| Number of phases | 3 |
| Height | 480 mm |
|---|---|
| Width | 370 mm |
| Depth | 195 mm |
| Weight | 21 kg |
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