Technical Data |
Model |
SUN-18K-G04 |
SUN-20K-G04 |
SUN-25K-G04 |
Input Side |
Max. DC Input Power (kW) |
23.4 |
26 |
32.5 |
Max. DC Input Voltage (V) |
1000 |
Start-up DC Input Voltage (V) |
250 |
MPPT Operating Range (V) |
200~850 |
Max. DC Input Current (A) |
32+32 |
Max. Short Circuit Current (A) |
48+48 |
Number of MPPT / Strings per MPPT |
2/2 |
Output Side |
Rated Output Power (kW) |
18 |
20 |
25 |
Max. Active Power (kW) |
19.8 |
22 |
27.5 |
Nominal Output Voltage / Range (V) |
3L/N/PE 380V/0.85Un-1.1Un, 400V/0.85Un-1.1Un |
Rated Grid Frequency (Hz) |
50 / 60 (Optional) |
Operating Phase |
Three phase |
Rated AC Grid Output Current (A) |
26.1 |
29 |
36.2 |
Max. AC Output Current (A) |
28.7 |
31.9 |
39.8 |
Output Power Factor |
0.8 leading to 0.8 lagging |
Grid Current THD |
<3% |
DC Injection Current (mA) |
<0.5% |
Grid Frequency Range |
47~52 or 57~62 (Optional) |
Efficiency |
Max. Efficiency |
98.6% |
Euro Efficiency |
97.8% |
MPPT Efficiency |
>99% |
Protection |
DC Reverse-Polarity Protection |
Yes |
AC Short Circuit Protection |
Yes |
AC Output Overcurrent Protection |
Yes |
Output Overvoltage Protection |
Yes |
Insulation Resistance Protection |
Yes |
Ground Fault Monitoring |
Yes |
Anti-islanding Protection |
Yes |
Temperature Protection |
Yes |
Integrated DC Switch |
Yes |
Remote software upload |
Yes |
Remote change of operating parameters |
Yes |
Surge protection |
DC Type II / AC Type II |
General Data |
Size (mm) |
330W×508H×206D |
Weight (kg) |
20.8 |
Topology |
Transformerless |
Internal Consumption |
<1W (Night) |
Running Temperature |
-25~65ºC, >45ºC derating |
Ingress Protection |
IP65 |
Noise Emission (Typical) |
<45 dB |
Cooling Concept |
Smart cooling |
Max. Operating Altitude Without Derating |
2000m |
Warranty |
5 years |
Grid Connection Standard |
CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, VDE 0126-1-1, RD 1699, C10-11 |
Operating Surroundings Humidity |
0-100% |
Safety EMC / Standard |
IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 |
Features |
DC Connection |
MC-4 mateable |
AC Connection |
IP65 rated plug |
Display |
LCD1602 |
Interface |
RS485/RS232/Wifi/LAN |