General Data of the SUNGROW String Inverter SG3.0RS-L
- Mounting method : Wall-mounting bracket
- Topology : Transformerless
- Cooling method : Natural cooling
- DC connection type : MC4 Compatible Connector ( Max. 6 mm² )
- AC connection type : Plug and play connector ( Max. 6 mm² )
- Grid compliance : ABNT NBR 16150, PORTARIA Nº 140, DE 21 DE MARÇO DE 2022 IEC/EN 62109-1/2, IEC 61000-6-1/2/3/4, IEC 62116, IEC 61683, IEC 61727, IEC 60068- 2-1/2/14/30/64/27, IEC 60529, EN 50530, IS 16169 / IS 16221(BIS)
- Grid Support: Active & reactive power control and power ramp rate control
CIRCUIT DIAGRAM


EFFICIENCY CURVE( SG3.0RS-L )


| Type designation | SG3.0RS-L |
| Input ( DC ) | |
| Recommended max. PV input power | 4.5 kWp |
| Max. PV input voltage | 600 V |
| Min. operating PV voltage / Start-up input voltage | 40 V / 50 V |
| Rated PV input voltage | 360 V |
| MPP voltage range | 40 V – 560 V |
| No. of independent MPP inputs | 1 |
| Default No. of PV strings per MPPT | 1 |
| Max. PV input current | 16 A |
| Max. DC short-circuit current | 20 A |
| Output ( AC ) | |
| Rated AC output power | 3000 W |
| Max. AC Output power | 3000 VA |
| Rated AC output current ( at 220 V ) | 13.7 A |
| Max. AC output current | 13.7 A |
| Rated AC voltage | 220 V / 240 V |
| AC voltage range | 154 V – 276 V |
| Rated grid frequency / Grid frequency range | 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz |
| Harmonic ( THD ) | < 3 % ( at rated power ) |
| Power factor at rated power / Adjustable power factor | > 0.99 / 0.8 leading – 0.8 lagging |
| Feed-in phases / Connection phases | 1 / 1 |
| Efficiency | |
| Max. efficiency / European efficiency | 97.8 % / 97.3 % |
| Protection | |
| Grid monitoring | Yes |
| DC reverse polarity protection | Yes |
| AC short-circuit protection | Yes |
| Leakage current protection | Yes |
| Surge Protection | DC type II / AC type II |
| DC switch | Yes |
| PV string current monitoring | Yes |
| PID Zero function | Yes |







