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Sofar 110KTL – Three Phase ON-Grid Solar Inverter

Quick Overview

SOFARSOLAR is one of the subsidiaries of SOFAR Group in China and specializes in R&D, production, sales and service of grid-tied inverters ranging from 1kW to 7.5kW (residential), 10kW to 255kW (commercial) , hybrid inverters ranging from 3kW to 20kw and Amass store battery, etc . SOFARSOLAR is currently known to be one of the top 5 string inverter companies found throughout China. After breaking ground and gaining the reputation of being reliable, efficient, and professional, it has now become one of the famous companies in power storage inverters.


Brand Sofar
Product Code 110KTL
Warranty 5 years
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SKU: SOF-110KTL Categories: ,

Sofar Three Phase MPPT Solar Inverter (110KTL)

The Sofar Three Phase MPPT solar inverter has a rated power capacity of 110KW, with a maximum AC power ratio of 121 KW. The normal grid frequency range of this three phase solar inverter according to the local standard is the 45-55Hz/54-66Hz. All with an adjustable power range of 0¬100%. Here are some claims from the company;

  • The sofar three phase MPPT solar inverter comes with a warranty of 5 years.
  • For the easy installation, and routine usage, thorough user is provided.
  • The brand is “sofar” best known for the grid-tied, commercial/residential and hybrid inverters with extensive usage times.

Operativity Efficiency

The DC inverter efficiency ratio is up to 98.75% with a European weighted efficiency rate of 98.30%. Unlike the other competing solar inverter models in the markets, the self-consumption energy ratio at night is even less than 1 Watt. The MPPT module has likewise an efficiency ratio of <99.9%.

Protective Features

The Sofar solar inverter are built to smoothly without bothering the user for settings or any things—on the other hand, the protective features in the solar inverter minimizes the possibility of errors and if any of them comes up then they are notified instantly. These are;

  • DC Reverse Polarity Protection: In an eternal circuit, the device might experience damage due to reversed DC polarity—this feature ensures no damage to the circuit by cutting off power, if there is reverse polarity.
  • Anti-Islanding Protection: When the grid gets isolated by the circuit breaker, the anti-islanding protective feature disables the PV inverters, to prevent any damage.
  • Leakage Current: Any current leakage in the circuit might cause damage to the whole device including the PV plates and charge controllers—the feature breaks the circuit and notify immediately.
  • Ground Fault Monitoring: Due to any reason the grounding might face problem and this incase of lightning can cause damage. If the grounding is not proper, this monitoring pings up the user.
  • PV-array String Fault Detection: If there is any problem in string connecting the PV array, the voltage inverter will detect and notify.
  • PiD Protection: The PiD stands for Potential Induced Degradation of PV plates, that affects the efficiency of modules and the power generated throughout—this increase with time and usage. The PiD protection reduces this effect in the solar panel inverter.

Overview of Device

The Sofar solar inverters provide convenient connectivity options with the device for overviewing of the performance and operation. The optional Wi-Fi, GPRS, and PLC allows the communication. While giving an operation date storage for 25 years.


The Sofar solar inverter allows a relative humidity range of 0¬100%—on the other hand, ambient temperature for working is from -30° to 60° C. This makes it workable in almost any weather condition.

  • To prevent damage from overheating, the solar inverter model is integrated with smart cooling fan system.
  • This is noted as the best solar inverters 2021 because of operating efficiency.
  • It can work at an altitude of 4000 m.
  • The LCD display gives off the overview/status of performance, the monitoring and likewise pings up at the times of errors.
  • The solar inverter has in-built Bluetooth connectivity with integrated APP—you can watch the performance & stats, without bothering yourself to go near the DC inverter.

Technical Specification

Max. Input voltage 1100V
Rated Input voltage 625V
Start-up voltage 200V
MPPT operating voltage range 180V-1000V
Full power MPPT voltage range 500V-850V
Number of MPP trackers 10
Number for DC inputs 20
Max. input current per MPPT 26A
Max. input short circuit current per MPPT 40A
Rated power 110kW
Max. AC power 121kVA
Max. Output current 121kVA
Nominal grid voltage 3/N/PE, 230V/400Vac 220V/380Vac
Grid voltage range 310Vac-480Vac
Nominal frequency 50Hz/60Hz
Grid frequency range 45Hz-55Hz/54Hz-66Hz (According to local standard)
Active power adjustable range 0~100%
THDi <3%
Power factor 1 default (adjustable+/-0.8)
Max efficiency 98.75%
European weighted efficiency 98.30%
Self-consumption at night <1W
MPPT efficiency >99.9%
DC reverse polarity protection Yes
Anti-islanding protection Yes
Leakage current protection Yes
Ground fault monitoring Yes
PV-array string fault monitoring Yes
Zero voltage ride through Yes
DC switch Yes
Anti-PID protection Optional
AFCI Optional
Protection class/ Overvoltage category I/III
Input/ Output SPD PV: type II standard, AC: type II standard
Power management unit According to certification & request
Standard communication mode RS485, Optional: WiFi /GPRS /PLC
Operation data storage 25 years
General Data
Ambient temperature range -30° ~ +60°
Topology Transformerless
Degree of protection IP66
Allowable relative humidity range 0~100%
Max. Operating altitude 4000m
Weight 90kg
Cooling Smart forced air cooling
Dimension 995.5*663.5*368mm
Display LCD & Bluetooth + APP
Warranty 5 years/ 7 years/ 10 years
EMC EN 61000-6-2, EN 61000-6-4
Safety standards IEC62109-1/2, IEC62116, IEC61727, IEC-61683, IEC60068(1,2,14,30)
Grid standards AS/NZS 4777, VDE V 0124-100, V 0126-1-1, VDE-AR-N 4105, CEI 0-21/CEI 0-16, UNE 206 007-1, EN50549, G99, EN50530, NB/T32004