KERNEL PARAMERERS
BASIC SYSTEM ARCHITECTURE​

The following illustration shows basic application of this inverter. It also includes following devices to have a Complete running system. – Generator or Utility – PV modules Consult with your system integrator for other possible system architectures depending on your requirements. This inverter can power all kinds of appliances in home or office environment, including motor type appliances such as refrigerator and air conditioner.

KEY PRODUCT FEATURES​
TECHNICAL PARAMETERS
ModelSUN-18K-G04SUN-20K-G04SUN-25K-G04SUN-18K-G05SUN-20K-G05SUN-25K-G05
Input Side
Max. DC Input Power(kW)23.42632.523.42632.5
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+3226+26
Max. Short Circuit Current (A)48+4839+39
NO.of MPP Trackers2
No.of Strings per MPPT Tracker3+32+2
Output Side
Rated Output Power(kW)182025182025
Max. Active Power(kW)19.82227.519.82227.5
Nominal Output Voltage / Range (V)3L/N/PE 220/380V,230/400V
Rated Grid Frequency(Hz)50 / 60 (Optional)
Operating PhaseThree phase
Rated AC Grid Output Current(A)27.3/26.130.3/2937.9/36.227.3/26.130.3/2937.9/36.2
Max. AC Output Current(A)30/28.733.3/31.941.7/39.830/28.733.3/31.941.7/39.8
Output Power Factor0.8 leading to 0.8 lagging
Grid Current THD<3%
DC Injection Current(mA)<0.5%
Grid Frequency Range47~52 or 57~62 (Optional)
Efficiency
Max.Efficiency98.60%
Euro Efficiency97.80%
MPPT Efficiency>99%
Protection
DC Reverse-Polarity ProtectionYes
AC Short Circuit ProtectionYes
AC Output Overcurrent ProtectionYes
Output Overvoltage ProtectionYes
Insulation Resistance ProtectionYes
Ground Fault MonitoringYes
Islanding ProtectionYes
Temperature ProtectionYes
Integrated DC SwitchYes
Remote software uploadYes
Remote change of operating parametersYes
Surge protectionDC Type II / AC Type II
General Data
Cabinet Size (WxHxD mm)362×577×215 (Excluding Connectors and Brackets)362×527×220 (Excluding Connectors and Brackets)
Weight(kg)2320
TopologyTransformerless
Internal Consumption<1W (Night)
Running Temperature-25-65℃,>45℃ Derating
Ingress ProtectionIP65
Noise Emission(Typical)≤40 dB
Cooling ConceptSmart cooling
Max. Operating Altitude Without Derating2000m
Warranty5 Years
Grid Connection StandardVDE4105, IEC61727/62116, VDE0126, AS4777.2, CEI 0 21, EN50549-1, G98, G99, C10-11,
UNE217002, NBR16149/NBR16150
Operating Surroundings Humidity0-100%
Safety EMC/StandardIEC/EN 61000-6-1/2/3/4,IEC/EN 62109-1,IEC/EN 62109-2
Features
DC ConnectionMC-4 Mateable
AC ConnectionIP65 Rated Plug
DisplayLCD 1602
InterfaceRS485/RS232/Wifi/LAN

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