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

Technical Data

Technical DataQH-S3KQH-S3.6KQH-S4KQH-S5KQH-S6K
Input DC (PV side)
Recommended maximum PV power7kW11kW
Start-up voltage100V
Maximum input voltage600V
Rated voltage330V
MPPT voltage range90V~520V
Maximum input current20A / 20A
Maximum short circuit current30A / 30A
Number of MPPT / Strings per MPPT2/2
Battery
Battery typeLithium / Lead-acid / Sodium
Battery voltage range42V~58V
Battery capacity50Ah~2000Ah
Maximum charge/discharge power3kW3.6kW5kW
Maximum charge/discharge current62.5A100A
CommunicationCAN
Output AC (Back-up)
Rated output power3kW3.6kW4kW5kW6kW
Maximum apparent output power4.5kVA, 10s7kVA, 10s
Back-up switch time<20ms
Rated output voltage1P/N/PE, 220V / 230V
Rated output frequency50Hz
Rated output current14A / 13.5A23A / 22A
THDv<2% (@ linear load)
Input AC (Grid side)
Input voltage range187V~265V
Maximum input current20.5A / 20A25A / 23.5A31.5A / 30A34.5A / 33A34.5A / 33A
Frequency range45-55Hz / 55-65Hz
Output AC (Grid side)
Rated output power3kW3.6kW4kW5kW6kW
Maximum apparent output power3.3kVA4kVA4.4kVA5.5kVA6.6kVA
Rated grid voltage1P/N/PE, 220V / 230V
Rated grid frequency50Hz
Rated grid output current13.7A / 13.1A16.4A / 15.7A20.9A / 20A22.8A / 21.7A27.3A / 26.1A
Maximum output current15.1A / 14.4A18A / 17.3A23A / 22A25.1A / 23.9A30A / 28.7A
Power factor>0.99 (-0.8~+0.8 adjustable)
THDi<2%
Performance data
Maximum efficiency97.1%
EU efficiency96.5%
ProtectionDC 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)
DC connectionMC4 connector
AC connectionQuick connection plug
Display7.0″ LCD color screen display
CommunicationRS485, Wi-Fi, GPRS (optional)
General data
Operating temperature-25°C~60°C
Ingress protection ratingIP65
Cooling methodNatural cooling
Maximum operating altitude3000 m
CertificationsEN61000-6-1/2/3/4, IEC/EN 62109-1/2, IEC61140, CEI 0-21
Weight20 kg
Dimensions (WxDxH)420x235x450 mm
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