Flexible design

  • Multi-communication interface:  RS485, GPRS(optional), Wifi(optional)  DC breaker, easy to maintain and safe to use
  • Integrated functions of combiner  box& DC lightning protection, reduce  system cost for users


Efficient conversion

  • Transformerless,max.  efficiency is up to 99%
  • Euro. efficiency is up to  98.5%
  • Total current THD <2%
  • Three-level SVPWM control technology, increase DC voltage utilization


Grid friendly

  • LVRT HVRT function
  • Adjustable reactive power,  power factor from 0.8 leading to 0.8 lagging
  • Active and passive anti-islanding protection
  • Continuously adjustable active power (0-100%) function


Excellent qualities

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






Model Name 50KTLC 60KTLC 70KTLC-HV 75KTLC-HV
Max. DC input power   65000W 78000W 91000W 97500W
Max. DC input voltage 1100V
Max. DC input current 45/45/45A
MPPT voltage range 250~1000V
Recommended MPP operating voltage 650V 740V
No.of MPPT 3
Max. no. of strings per MPPT 3 4
Rated output power 50000W 60000W 70000W 75000W
Max. output power 55KVA 66KVA 77KVA 82.5KVA
Max. output current 80A 96A 89A 95A
Rated grid voltage 400V 500V
Grid voltage range 310~480Vac 422~550Vac
Rated grid frequency 50Hz/60Hz
Grid frequency range 45~55Hz/55~65Hz
THD < 2% (Under the rated power)
Power factor >0.99(rated power) /0.8 leading ~ 0.8 lagging
DC current injection < 0.5% (Under the rated power)
System data
Max. efficiency 98.7% 98.9% 99%
Euro. efficiency 98.3% 98.5% 98.5%
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/LCD(optional)
Communication interface RS485/Wifi/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) 681x660x282mm
Weight 47kg
Protection class IP66
Grid-connected standard NB/T32004-2018; IEC61727
Safety standard NB/T32004-2018; IEC 62109-1/2
Electromagnetic compatibility IEC 61000-6-2/4