Home / Products / Solar Power Inverter / Hybrid Solar Inverter / QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow

QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow

​​​​​​​
 
  • Lithium Battery Auto-Restart Function
  • Touch Screen Display (Optional)
  • Adjustable Utility & PV Charging Voltage
  • CT Anti-Backflow Protection
  • PF 1.0 High-Efficiency Inverter Design
  • PV Power Feed-in Support
  • External WiFi Communication (Optional)
  • Built-in BMS Communication for Lithium Batteries
Output Voltage:
Rated Power :
Availability:
QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow
QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow
QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow
QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow
QA-series | 3.6kW/6.2kW zero export hybrid solar inverter support CT anti-backflow
  • QA

  • Techfine

QA-SERIES-DETIAL-1.jpg

Flexible Grid Interaction & Energy Trading

  • Supports on-grid, off-grid, and hybrid modes. Enables battery-free operation and flexible adaptation to different scenarios. Battery power selling modes (SUF & PEC) support both energy storage and grid feed-in.

QA-SERIES-DETIAL-2.jpg

SiC Technology for Low Loss & High Efficiency

  • Adopts silicon carbide (SiC) devices for higher efficiency, lower thermal loss, and reduced self-consumption. Ensures stable long-term operation with minimal overheating, noise, and failure rates.

QA-SERIES-DETIAL-3.jpg

Real-Time Monitoring via Smart APP

  • Optional WiFi module enables real-time power generation monitoring, fault diagnostics, and error alerts. High-performance DSP improves system responsiveness and overall control accuracy.

QA-SERIES-DETIAL-4.jpg

Self-Consumption Priority, Grid-Compliant Control

  • Built-in CT anti-backflow function intelligently controls power flow, prioritizes self-use, prevents reverse current, and complies with energy regulations. Fast response time of 20 ms ensures precise control.

QA-SERIES-DETIAL-6.jpg

Automatic Restart After Deep Discharge

  • Compatible with multiple lithium battery brands. Supports intelligent battery activation and automatic restart after over-discharge using both PV and utility power.

QA-SERIES-DETIAL-5.jpg

Flexible Load Expansion Beyond Rated Power

  • Supports unlimited load capacity through proper system wiring. Grid and PV power work together to supply excess demand without being limited by inverter rated output.

ModelQA3624SMHQA6248SMH
AC Input
Input FormationL+N+PE
AC Input220/230/240VAC
Input Voltage Range90-280VAC±3V(Normal Mode)    170-280VAC±3V (UPS Mode)
Frequency60Hz(Adaptive)
Inverter Output
Rated Power3600W6200W
Dual Output Power3600W6200W
Output Voltage(AC)230VAC±5%
Output Frequency50Hz±0.1%
Output WavePure Sine Wave
Transfer Time(Adjustable)10ms for Computer Equipment, 20ms for Household Equipment
Peak Power7200VA12400VA
Overload AbilityBattery Mode: 11s@105%~150% Load; 2s@150%~200% Load;   400ms@>200% Load
Grid connected   Operation
Output Voltage220/230/240VAC
Grid Voltage Range170-265VAC
Grid Frequency Range49-51±1Hz/59-61±1Hz
Output Current15.7A26.9A
Power Factor Range>0.99
Max efficiency (DC/AC)>98%
Battery Charging
Rated Voltage24VDC48VDC
Constant Charging Voltage28.2Vdc56.4Vdc
Float Charging Voltage27VDC54VDC
PV Input &   Charging
PV Charging MethodMPPTMPPT
Max PV Input Power6500W8500W
PV Input Voltage Range60~500VDC60~500VDC
MAX PV Input Voltage500VDC500VDC
MAX PV Input Current27A27A
MAX PV Charge Current120A120A
MAX AC Charge Current100A100A
MAX Charge Current120A120A
Communication &   Display
LCDCan display operating mode/load/input/output
RS2325PIN/Pitch2.54mm,Baud Rate 2400
Expansion Slot Communication InterfaceLithium Battery BMS Communication Card,WIFI 2×5PIN/Pitch2.54mm
Parallel InterfaceNot Support Parallel
Environmental   Conditions
Operating Temperature-10°C~50°C
Storage Temperature-15°C~60°C
Ork AltitudeNo more than 1000m, If 1000m<,Rate power will lower, MAX   4000m, Refer
Operating Environment Humidity20%~95% Non Condensing
Noise<50dB
Mechanical
L*W*H(mm)440.3x309x125.5mm


Previous: 
Next: 

Quick View

QUICK LINKS

PRODUCTS

CONTACT US

  Building 3, No.6 Foluo Road, Luocun, Shishan Town, Nanhai District, Foshan city, Guangdong Province, China.

INQUIRY NOW

Keep In Touch With Us
​Copyright © 2026 Guangdong Techfine Electronic Co,.Ltd.