SUNWAYS-STT-425KTL-P_1
SUNWAYS-STT-425KTL-P_3
SUNWAYS-STT-425KTL-P_2

SUNWAYS STT 4~25KTL-P

COMMERCIAL SERIES
STT 4K/5K/6K/8K/10K/12K/15K/17K/20K/25KTL-P

MAX 98.6% EFFICIENCY
IP65 PROTECTION

USER MANUAL
DATA SHEET

Safe & Reliable

High Revenue

Easy to use

Safe & Reliable

  • Adapt to complex power grid
  • High reliability due to good heat dissipation design
  • Integrated lightning protection for both DC and AC
  • High anti-corrosion ability with aluminum alloy die casting technology
  • IP65, wider working temperature and altitude, adapt to various installation environments

High Yield

  • High yield with Max.98.6% efficiency
  • European weighted efficiency 98.2%
  • Up to 10% continuous output overloading capacity
  • Dual MPPT design with precise MPPT algorithm
  • Standard 5 years warranty, extendable to 10 or 15 years
  • Longer working hours due to the lower start-up voltage and wider MPPT range

Easy to use

  • Remote upgrading available
  • Plug and play connectors, easy for installation
  • Compact elegant design, less than 25 kg, easy for installation
  • Integrated I/V scan to intelligent positioning abnormal string
  • Support wireless and wired internet connection (RS485/Wi-Fi/GPRS/LAN optional)

TECHNICAL PARAMETERS

THREE PHASE:STT-4K~25KTL-P

ModelSTT-4KTL-P STT-5KTL-P STT-6KTL-P STT-8KTL-P STT-10KTL-P STT-12KTL-P STT-15KTL-P STT-17KTL-P STT-20KTL-P STT-25KTL-P
Input               
Max. Input Power (W)5,2006,5007,800 10,400 13,000 15,600 19,50022,10026,00032,500 
Start-up Voltage (V)180180180 180 180 180 180180180180 
Min. DC Voltage (V)150150150 150 150 150 150150150150 
Max. DC Input Voltage (V)1,1001,1001,100 1,100 1,100 1,100 1,1001,1001,1001,100 
Rated DC Input Voltage (V)620620620 620 620 620 620620620620 
MPPT Voltage Range (V)160-1000160-1000160-1000 160-1000 160-1000 160-1000 160-1000160-1000160-1000160-1000 
No. of MPP Trackers222 2 2 2 2222 
No. of DC Inputs per MPPT1/11/11/1 1/1 1/1 1/1 1/22/22/22/2 
Max. Input Current (A)15/15 ①15/15 ①15/15 ① 15/15 ① 15/15 ① 15/15 ① 15/30 ①30/30 ①30/30 ①30/30 ① 
Max. Short-circuit Current (A)20/2020/2020/20 20/20 20/20 20/20 20/4040/4040/4040/40 
Output               
Rated Output Power (W)4,0005,0006,000 8,000 10,000 12,000 15,00017,00020,00025,000 
Max. Output Power (W)4,4005,5006,600 8,800 11,000 13,200 16,50018,70022,00025,000 
Max. Apparent Power (VA)4,4005,5006,600 8,800 11,000 13,200 16,50018,70022,00025,000 
Rated Output Voltage (V)      3L/N/PE,230/400V      
Rated AC Frequency (Hz)     50/60Hz 45-55Hz/55-65Hz     
Max. Output Current (A)6.78.410 13.3 16.5 20 2528.431.939 
Power Factor      0.8 leading…0.8 lagging      
Max. Total Harmonic Distortion     < 3% @Rated Output Power     
DCI      < 0.5%In     
Efficiency               
Max. Efficiency98.1%98.1%98.3% 98.3% 98.6% 98.6% 98.6%98.6%98.6%98.6% 
European Efficiency97.9%97.9%98.0% 98.0% 98.2% 98.2% 98.2%98.2%98.2%98.2% 
MPPT Efficiency99.9%99.9%99.9% 99.9% 99.9% 99.9% 99.9%99.9%99.9%99.9% 
Protection               
DC Reverse Polarity Protection      Integrated     
Insulation Resistance Protection      Integrated     
DC Switch      Optional     
Surge Protection      Integrated     
Over-temperature Protection      Integrated     
Residual Current Protection      Integrated     
Anti-islanding Protection      Integrated     
AC Short-circuit Protection      Integrated     
AC Over-voltage Protection      Integrated     
General Data               
Dimensions (mm)      550W*410H*175D     
Weight (kg)   23     26 29  
Protection Degree      IP65      
Self-consumption at Night (W)       < 1      
Topology      Transformer less     
Operating Temperature Range (° C)     -30~60      
Relative Humidity (%)     0~100      
Operating Altitude (m)      4000 (derating@ > 3000)     
Cooling  Natural Convection    Smart Fan Cooling 
Noise Level (dB)   < 25       < 40  
Display      OLED & LED     
Communication    RS485/WiFi/GPRS/LAN (Optional)    
Compliance NB/T32004、IEC62109、IEC62116、VDE4105、VDE0126、UTE C15-712-1、AS4777、C10/11、  
 CEI0-21、RD1699、NBR16149、IEC61727、IEC60068、IEC61683、EN50549、EN61000  

① STT-4~25KTL series maxmium input current per string is 11A, products deliver upon the oder

About Us

BH Solar is involved with a variety of solar energy work ranging from: Domestic, Commercial to Industrial and Agriculture Installations. BH Solar has successfully completed larger contracts with electrical consultants.

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