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