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On-grid inverter Sungrow SG4.0RS rated 4 kW, single-phase, 1 MPPT. Max. DC voltage 600 V, maximum efficiency 97.9%, European efficiency 97.2%. IP rating IP65, operating temperature −25 to 60 °C. Dimensions 270 × 410 × 150 mm (H × W × D), weight 10 kg, warranty 10 years.
| Series | SG3.0/3.6/4.0/5.0/6.0RS |
|---|---|
| Product warranty | 10 years |
| Series AC power range | 3.0-6 kW |
| Max. DC power | 6 kW |
| Max. DC voltage | 600 V |
| Max. DC current | 32 A |
| Strings per MPPT | 1 |
| DC inputs | 2 |
| Connectors | MC4 |
| Max. AC power | 4 kW |
| AC output voltage range | 154-276 V |
| Nominal AC voltage | 220/230/240 V |
| Max. AC current | 18.2 A |
| Nominal AC current | 17.4 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 | 97.9 % |
| European efficiency | 97.2 % |
| Operating temperature range | -25 ~ +60 °C |
| IP rating | IP65 |
| Display | LED |
| Protection features | Grid monitoring DC reverse polarity protection AC short-circuit protection Leakage current protection Surge Protection DC switch PV string current monitoring Arc fault circuit interrupter (AFCI) PID recovery function |
| Inverter type | On-grid |
|---|---|
| Number of MPPT | 1 |
| Inverter power | 4 kW |
| Number of phases | 1 |
| Height | 270 mm |
|---|---|
| Width | 410 mm |
| Depth | 150 mm |
| Weight | 10 kg |
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