Three Phase String Inverter SUN-18/20/25K-G05
Three Phase String Inverter SUN-18/20/25K-G05

Three Phase String Inverter SUN-18/20/25K-G05

● 2 MPP trackers, Max. efficiency up to 98.6%
● Zero export application, VSG application
● String intelligent monitoring (optional)
● Wide output voltage range
● Anti-PID function (Optional)

Detail

Model SUN-18K-G05 SUN-20K-G05 SUN-25K-G05
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) 26+26
Max. Short Circuit Current (A) 39+39
No.of MPP Trackers 2
No.of Strings per MPP Tracker 2+2
Output Side
Rated Output Power (kW) 18 20 25
Max. Active Power (kW) 19.8 22 27.5
Rated Output Voltage/Range (V) 3L/N/PE 220/380V, 230/400V 0.85Un-1.1Un (this may vary with grid standards)
Rated Grid Frequency (Hz) 50 / 60 (Optional)
Operating Phase Three Phase
Rated AC Grid Output Current (A) 27.3/26.1 30.3/29 37.9/36.2
Max. AC Output Current (A) 30/28.7 33.3/31.9 41.7/39.8
Power Factor Adjustment Range 0.8 leading to 0.8 lagging
Total Harmonics Current Distortion (THDi) <3%
DC Injection Current (mA) <0.5%
Grid Frequency Range 45-55 or 55-65 (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
Cabinet Size (WxHxD mm) 362×527×220 (Excluding Connectors and Brackets)
Weight (kg) 20
Topology Transformerless
Internal Consumption <1W (Night)
Running Temperature -25 to +65℃, >45℃ Derating
Ingress Protection IP65
Noise Emission (Typical) ≤40 dB
Cooling Concept Smart Cooling
Permissible Altitude (m) 4000
Warranty 5 Years
Grid Connection Standard IEC 61727, IEC 62116, CEI 0-21, EN 50549, NRS 097, RD 140, UNE 217002,
OVE-Richtlinie R25, G99, VDE-AR-N 4105
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
Display LCD1602
Interface RS485/RS232/Wifi/LAN