Single-phase Hybrid Inverter (3kW / 3.6kW / 4kW / 5kW / 6kW)

QH-S3~6K

The QH-S3~6K single-phase hybrid inverter, offering a power range from 3kW to 6kW, represents an optimal solution for residential energy storage systems. It is designed to accommodate a maximum 20A/20A MPPT current input and features timed charge and discharge functionality. Moreover, it incorporates integrated battery processing and protection mechanisms, ensuring enhanced battery performance and longevity. Notably, the inverter facilitates active current equalization for battery clusters and enables the connection of multiple inverters in parallel to establish a three-phase system. In addition, its UPS switching function enhances the reliability of power applications.

Product Description

The QH-S3~6K single-phase hybrid inverter, offering a power range from 3kW to 6kW, represents an optimal solution for residential energy storage systems. It is designed to accommodate a maximum 20A/20A MPPT current input and features timed charge and discharge functionality. Moreover, it incorporates integrated battery processing and protection mechanisms, ensuring enhanced battery performance and longevity. Notably, the inverter facilitates active current equalization for battery clusters and enables the connection of multiple inverters in parallel to establish a three-phase system. In addition, its UPS switching function enhances the reliability of power applications.

Highlight Features

Efficient and reliable

  • Retrofit function: intelligent AC coupling solution for easy upgrade of existing grid-connected systems
  • Smart UPS, plug & play, seamless switching under 20 seconds to give sufficient backup power for emergency use
  • Up to 200% surge power backup overload capability in 10 seconds

User friendly

  • Color LED display with intuitive multilingual software
  • Online monitoring via app
  • Remote control and upgrade function

Easy to install

  • Compatible with lithium-ion, lead-acid and sodium batteries
  • Pre-wired communication cables for plug and play
  • Supports single-phase and three-phase flexible parallel installation

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Technical Data

Technical DataQH-S3KQH-S3.6KQH-S4KQH-S5KQH-S6K
Input DC (PV side)
Maximum PV access power6kW7.2kW8kW10kW12kW
Maximum PV input power4.68kW5.76kW6.4kW8kW9.6kW
Maximum PV input voltage500V
Start-up voltage100V
MPPT voltage range150V~425V
Rated PV input voltage370V
Maximum operating PV input current20A / 20A
Maximum input short-circuit current30A / 30A
Number of MPPT / strings per MPPT2 / 1+1
Battery input data
Battery typeLithium / Lead-acid / Sodium
Battery voltage range40V~60V
Maximum charge/discharge current62.5A100A
CommunicationCAN
Number of battery input1
AC input/output data
Rated AC input/output active power3kW3.6kW4kW5kW6kW
Maximum AC input/output apparent power3.3kVA3.96kVA4.4kVA5.5kVA6.6kVA
Rated AC input/output current13.7A / 13.1A16.4A / 15.7A20.9A / 20A22.8A / 21.7A27.3A / 26.1A
Maximum AC input/output Current15.1A / 14.4A18A / 17.3A23A / 22A25.1A / 23.9A30A / 28.7A
Maximum continuous AC passthrough (grid to load)35A40A
Peak power (off-grid)2 times of rated power, 10s
Power factor adjustment range0.8 leading to 0.8 lagging
Rated input/output voltage/range220V/230V 0.85Un-1.1Un
Rated input/output grid frequency/range50Hz/45-55Hz, 60Hz/55-65Hz
Grid connection formL+N+PE
Total current harmonic distortion THDi<3% (of nominal power)
DC injection current<0.5% In
Efficiency
Maximum efficiency97,10%
Euro efficiency96,50%
MPPT efficiency>99%
Equipment protection
IntegratedDC reverse-polarity protection, Short circuit protection, Output over current protection, Surge protection (DC Type II / AC Type II), Ground fault monitoring, Integrated AFCI (DC arc-fault circuit protection, Activation required), Protection class/Over voltage category (I/II)
Surge protection levelType II (DC), Type II (AC)
Interface
Communication interfaceRS485/CAN
Monitor modeRS485, Wi-Fi, GPRS (optional)
General data
DC connectionMC4 connector
AC connectionQuick connection plug
Display69.6×55 mm LCD screen display
Operating temperature-40ºC~60ºC (>45ºC derating)
Operating relative humidity0%~100%
Maximum operating altitude2000 m
Ingress protection ratingIP65
Inverter topologyNon-isolated
Over voltage categoryOVC II (DC), OVC III (AC)
Cooling methodNatural cooling
Weight20 kg
Dimensions (WxDxH)418x340x231 mm
Grid regulationCEI 0-21, UNE 217002
Safety / EMC StandardIEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2
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