12 KW 3 Phase – Low Voltage

100% unbalanced output, each phase; Max. output up to 50% rated power

AC couple to retrofit existing solar system

Max. 10 pcs parallel for on-grid and off-grid operation; Support multiple batteries parallel

Max. charging/discharging current of 350A

48V low voltage battery, transformer isolation design

6 time periods for battery charging/discharging

Support storing energy from diesel generator

Model SUN-14K-SG05LP3 SUN-15K-SG05LP3 SUN-16K-SG05LP3 SUN-18K-SG05LP3 SUN-20K-SG05LP3
EU-SM2 EU-SM2 EU-SM2 EU-SM2 EU-SM2
Battery Input Data
Battery Type Lead-acid or Lithium-ion
Battery Voltage Range (V) 40-60
Max. Charging Current (A) 260 280 300 330 350
Max. Discharging Current (A) 260 280 300 330 350
Charging Strategy for Li-ion Battery Self-adaption to BMS
Number of Battery Input 1
PV String Input Data
Max. PV Input Power (W) 28000 30000 32000 36000 40000
Max. PV Input Power (W) 22400 24000 25600 28800 32000
Max. PV Input Voltage (V) 800
Start-up Voltage (V) 150
MPPT Voltage Range (V) 180-650
MPPT Voltage Range (V) 550
Max. Operating PV Input Current (A) 36+36
Max. Input Short-Circuit Current (A) 54+54
No. of MPPT Trackers 2
No. of Strings MPP Tracker 2+2
AC Input/Output Data
Rated AC Output Active Power (W) 14000 15000 16000 18000 20000
Max. AC Output Apparent Power (VA) 15400 16500 17600 19800 22000
Rated AC Input/Output Current (A) 21.9/30.3 22.8/21.8 24.3/23.2 27.3/26.1 30.4/29
Max. AC Input/Output Current (A) 23.4/22.4 25/24 26.7/25.6 30/28.7 33.4/31.9
Max. Continuous AC Passthrough (grid to load) (A) 70
Peak Power (off grid) (W) 2 times of rated power, 10s
Power Factor Adjustment Range 0.8 leading to 0.8 lagging
Rated Input/Output Voltage/Voltage Range 220/380V, 230/400V; 0.85Un-1.1Un
Rated Input/Output Grid Frequency/Range(Hz) 50/45-55, 60/55-65
Grid Connection Form 3L+N+PE
Total Current Harmonic Distortion THDI <3% (of Rated Power)
DC Injection Current <0.5% In
Efficiency
Max. Efficiency 97.6%
Euro Efficiency 97.0%
MPPT Efficiency 99.9%
Equipment Protection
Integrated DC Polarity Reverse Connection Protection, AC Output Overcurrent Protection, Thermal Protection,
Battery Reverse Polarity Protection, DC Input Overcurrent Protection, AC Output Short-Circuit, Overvoltage Load Drop Protection, Ground Fault Current Monitoring, Arc Fault Circuit Interrupter (optional), AC Output Overcurrent and AC Output Short-Circuit and AC Output Overvoltage protection, DC Terminal Insulation Impedance Monitoring, Residual Current (RCD) Detection, Surge protection level
Surge Protection Level TYPE II(DC), TYPE III(AC)
Interface
Communication Interface RS485/RS232/CAN
Monitor Mode GPRS/WIFI/Bluetooth/AG/LAN(Optional)
General Data
Operating Temperature Range (°C) -40 to +60°C, >45°C Derating
Permissible Relative Humidity 0-100%
Permissible Altitude 3000m
Noise (dB) <65
Ingress Protection(IP) Rating IP 65
Installation Type Non-Isolated
Over Voltage Category OVC II(DC), OVC III(AC)
Cabinet Size (W×H×D mm) 456×750×268.5 (Excluding Connectors and Brackets)
Weight (kg) 50.5
Type of Cooling Intelligent Air Cooling
Warranty 5 Years/10 Years
the Warranty Period Depends the Final Installation Site of Inverter. More Info Please Refer to Warranty Policy
Grid Regulation IEC 61727, IEC 62116, C10/11, EN 50549, VDE-AR-N 4105, VDE-AR-N 4110, G98, G99, VDE-AR-N 4105
Safety / EMC Standard IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2