| Model | SUN-18K-G04-LV | SUN-20K-G04-LV | SUN-21K-G04-LV | |||||||
| Max. PV Input Power(kW) | 23.4 | 26 | 27.3 | |||||||
| Max. PV Input Voltage(V) | 800 | |||||||||
| Start-up Voltage(V) | 250 | |||||||||
| MPPT voltage range(V) | 200-700 | |||||||||
| Rated PV Input voltage(V) | 350 | |||||||||
| Max. Operating PV Input Current (A) | 40+40 | |||||||||
| Max. Input Short Circuit Current (A) | 60+60 | |||||||||
| No. of MPP Trackers/No. of Strings per MPP Tracker | 2/3+3 | |||||||||
| Rated AC Output Active Power(kW) | 18 | 20 | 21 | |||||||
| Max. AC Output Apparent Power(kVA) | 18 | 20 | 21 | |||||||
| Rated AC output current (A) | 47.3/45.2 | 52.5/50.2 | 55.2/52.7 | |||||||
| Max. AC Output Current(A) | 47.3/45.2 | 52.5/50.2 | 55.2/52.7 | |||||||
| Rated output voltage/range (V) | 127V/220V, 133V/230V 0.85UN-1.1UN | |||||||||
| Grid Connection Form | 3L/N/PE | |||||||||
| Rated Output Grid Frequency/range(Hz) | 50/45-55, 60/55-65 | |||||||||
| Power Factor Adjustment Range | 0.8 leading to 0.8lagging | |||||||||
| Total Current Harmonic Distortion THDi | <3% | |||||||||
| DC Injection Current | <0.5%ln | |||||||||
| Max. Efficiency | 98.6% | |||||||||
| MPPT Efficiency | ＞99% | |||||||||
| DC Reverse Polarity Protection | Yes | |||||||||
| AC Output Overcurrent Protection | Yes | |||||||||
| AC Output Overvoltage Protection | Yes | |||||||||
| AC Output Short Circuit Protection | Yes | |||||||||
| Thermal Protection | Yes | |||||||||
| Insulation Impedance Detection | Yes | |||||||||
| DC Component Monitoring | Yes | |||||||||
Arc Fault Circuit Interrupter (AFCI) | Optional | |||||||||
Anti-islanding Protection | Yes | |||||||||
| Residual Current Detection | Yes | |||||||||
| Surge Protection Level | TYPE II(DC),TYPE II(AC) | |||||||||
DC Switch | Yes | |||||||||
| Communication Interface | RS485/RS232 | |||||||||
Monitor Mode | GPRS/WIFI/Bluetooth/4G/LAN(optional) | |||||||||
| Operating Temperature Range (°C) | -25 to +65℃, >45℃ Derating | |||||||||
| Permissible Ambient Humidity | 0~100% | |||||||||
| Permissible Altitude (m) | 2000m | |||||||||
| Noise (dB) | ≤50 dB(A) | |||||||||
| Ingress Protection(IP) Rating | IP 65 | |||||||||
| Inverter Topology | Non-Isolated | |||||||||
| Over Voltage Category | OVC II(DC),OVC III(AC) | |||||||||
| Cabinet Size (WxHxD mm) | 362×577×215 (Excluding Connectors and Brackets) | |||||||||
| Weight [kg] | 28.7 | |||||||||
| Warranty [year] | 5 years | |||||||||
| Type Of Cooling | Intelligent Air Cooling | |||||||||
| Grid Regulation | NBR 16149, NBR 16150, EN 50549, RD 140 | |||||||||
| Safety EMC/Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | |||||||||
