Flexible design

  • Multi-communication interface:  RS485, GPRS(optional),  Wifi (optional)
  • Intelligent forced air cooling DC breaker, easy to maintain and  safe to use
  • Digital DSP control technology

Efficient conversion

  • Transformerless,max.  efficiency is up to 98.8%
  • Euro. efficiency is up to  98.2%
  • Total current THD <2%
  • Three-level SVPWM control  technology, increase DC  voltage utilization

Grid friendly

  • Adjustable reactive power,  power factor from 0.8  leading to 0.8 lagging 
  • Active and passive  anti-islanding protection

Excellent qualities

  • CQC Gold Sun Certification
  • TUV Certification
  • SAA Certification
  • CE Certification



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Model Name 15KTL 17KTLC 20KTLC 23KTLC 25KTLC 28KTLC
Max. DC input power 19500W 22600W 26000W 29900W 32500W 36400W
Max. DC input voltage 1100V
Max. DC input current 18/30A 30/30A 36/30A 36/36A
MPPT voltage range 180~1000V
Recommended MPP operating voltage 650V
No.of MPPT 2
Max. no. of strings per MPPT 2/1 2
Rated output power 15000W 17000W 20000W 23000W 25000W 28000W
Max. output power 16.5kVA 18.7kVA 22kVA 25.3kVA 27.5kVA 30.8kVA
Max. output current 25A 28.3A 32A 36.5A 42A 45A
Rated grid voltage 400V
Grid voltage range 310~480Vac
Rated grid frequency 50Hz/60Hz
Grid frequency range 45~55Hz/55~65Hz
THD < 2% (Under the rated power)
Power factor >0.99(under the rated power) /Adjustable range:0.8 leading ~ 0.8 lagging
DC current injection < 0.5% (Under the rated power)
System data
Max. efficiency 98.7% 98.8%
Euro. efficiency 98.2%
Humidity range 0~100%,non-condensing
Cooling type Intelligent forced air cooling
Temperature range -25~+60°C
Power consumption at night < 1W
Max. working altitude 4000m
Display LED indication/ LCD display (Optional)
Communication interface Wifi/ RS485/ GPRS (Optional)
DC reverse-polarity protection Yes
Short circuit protection Yes
Output over current protection Yes
Output over voltage protection Yes
Insulation resistance monitoring Yes
Residual current detection Yes
Surge protection Yes
Grid monitoring Yes
Islanding protection Yes
Temperature protection Yes
Integrated DC switch Yes
Mechanical data
Dimensions (WxHxD) 427x439x212mm
Weight 18kg
Protection class IP66
Grid-connected standard NB/T32004-2018; ICE61727
Safety standard NB/T32004-2018; IEC62109-1/2
Electromagnetic compatibility IEC61000-6-2/4