General Data of the Sungrow Inverter SG3.0/3.6/4.0/5.0/6.0RS
- Dimensions (W*H*D) : 410 * 270* 150 mm
- Weight : 10 kg
- Mounting method : Wall-mounting bracket
- Topology : Transformerless
- Degree of protection : IP65
- Operating ambient temperature range : -25 to 60 ℃
- Allowable relative humidity range (non-condensing) : 0 – 100 %
- Cooling method : Natural cooling
- Max. operating altitude : 4000 m
- Display : LED digital display & LED indicator
- Communication : Ethernet / WLAN / RS485 / DI (Ripple control & DRM)
- DC connection type : MC4 (Max. 6 mm²)
- AC connection type: Plug and play connector (Max. 6 mm²)
CIRCUIT DIAGRAM


EFFICIENCY CURVE


| Type designation | SG3.0RS | SG3.6RS | SG4.0RS | SG5.0RS | SG6.0RS |
| Input (DC) | |||||
| Recommended max. PV input power | 4.5kWp | 5.4kWp | 6kWp | 7.5kWp | 9kWp |
| Max. PV input voltage | 600V | 600V | 600V | 600V | 600V |
| Min. operating PV voltage / Start-up input voltage | 40V/50V | 40V/50V | 40V/50V | 40V/50V | 40V/50V |
| Rated PV input voltage | 360V | 360V | 360V | 360V | 360V |
| MPP voltage range | 40-560V | 40-560V | 40-560V | 40-560V | 40-560V |
| No. of independent MPP inputs | 2 | 2 | 2 | 2 | 2 |
| Default No. of PV strings per MPPT | 1 | 1 | 1 | 1 | 1 |
| Max. PV input current | 32A(16A/16A) | 32A(16A/16A) | 32A(16A/16A) | 32A(16A/16A) | 32A(16A/16A) |
| Max. DC short-circuit current | 40A(20A/20A) | 40A(20A/20A) | 40A(20A/20A) | 40A(20A/20A) | 40A(20A/20A) |
| Output (AC) | |||||
| Rated AC output power | 3000W | 3680W | 4000W | 5000W* | 6000W |
| Max. AC Output power | 3000VA | 3680VA | 4000VA | 5000VA* | 6000VA |
| Rated AC output current (at 230 V) | 13.1A | 16A | 17.4A | 21.8A** | 26.1A |
| Max. AC output current | 13.7A | 16A | 18.2A | 22.8A** | 27.3A |
| Rated AC voltage | 220/230/240V | 220/230/240V | 220/230/240V | 220/230/240V | 220/230/240V |
| AC voltage range | 154-276V | 154-276V | 154-276V | 154-276V | 154-276V |
| 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 | 1/1 | 1/1 | 1/1 | 1/1 |
| Efficiency | |||||
| Max. efficiency | 97.9 % | 97.9 % | 97.9 % | 97.9 % | 97.9 % |
| European efficiency | 97.0 % | 97.0 % | 97.2 % | 97.3 % | 97.5 % |
| Protection | |||||
| Grid monitoring | Yes | Yes | Yes | Yes | Yes |
| DC reverse polarity protection | Yes | Yes | Yes | Yes | Yes |
| AC short-circuit protection | Yes | Yes | Yes | Yes | Yes |
| Leakage current protection | Yes | Yes | Yes | Yes | Yes |
| Surge Protection | DC type II / AC type II | DC type II / AC type II | DC type II / AC type II | DC type II / AC type II | DC type II / AC type II |
| DC switch | Yes | Yes | Yes | Yes | Yes |
| PV string current monitoring | Yes | Yes | Yes | Yes | Yes |
| Arc fault circuit interrupter (AFCI) | Optional | Optional | Optional | Optional | Optional |
| PID recovery function | Yes | Yes | Yes | Yes | Yes |
*: AS 4777.2: 4999W, 4999VA
**: AS 4777.2 :Rated and Max. AC current is 21.7A







