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Sununo Plus 5K-M On-Grid Single Phase Inverter

Quick Overview

Small three-phase PV grid-connected inverters are mainly used in residential PV grid-connected systems, to convert PV DC current to AC current for use in residential electrical equipment or for sale to the power grid. Sununo Plus Series 3K-M, 4K-M, 5K-M & 6K-M Grid-connected Inverters are the preferred inverters for residential PV investment because of their small size, light weight, high efficiency, easy installation, and reliability.


Product CodeSUN-5
Warranty5 Years
User GuideDownload PDF
Categories: ,

Technical Specification

Input (DC)
Recommended accessed DC power1 [W]6050
Max. DC Voltage [V]600
MPPT Voltage Range [V]90-550
Nominal DC Voltage [V]360
Start Voltage [V]100
Min. DC Voltage [V]80
Max. DC Input Current PV1/PV2 [A]11/11
Number of MPPT2
Number of DC Connections Sets per MPPT1/1
DC SwitchIntegrated
Output (AC)
Rated AC Power [W]46003/5000
Max. AC Power [W]4600/5000
Rated AC Current [A]20.0/21.7
Max. AC Current [A]22.2/25.0
Nominal AC Voltage / Range220V, 230V, 240V/180V-280V
Grid Frequency / Range50Hz, 60Hz/±5Hz
Power Factor, Adjustable [cos φ]0.9 leading ~ 0.9 lagging
Total Harmonic Distortion [THDi]<3% (at Nominal Power)
Feed-in1L + N + PE
Max. Efficiency97.9%
Euro Efficiency (at 360Vdc)97.5%
MPPT Accuracy>99.9%
Internal Over-Voltage ProtectionIntegrated
DC Insulation MonitoringIntegrated
DCI / GFCI / Grid MonitoringIntegrated
AC Short Circuit Current ProtectionIntegrated
Thermal ProtectionIntegrated
Anti-island Protection MonitoringAFD
DC ConnectionMC4/H4
AC ConnectionPlug-in Connector
LCD / LED DisplayLCD (16×2 Characters, Backlight) / LED (3 Lights)
Display LanguageEnglish
Communication PortRS232
CommunicationWi-fi / GPRS / Ethernet  (Optional)
General Data
Consumption at Night [W]<0.2
Consumption at Standby [W]6
Operating Temperature Range-25°C to +60°C (45°C to 60°C with Derating)
Cooling MethodNatural Convection
Ambient Humidity0% – 100% Non-condencing
AltitudeUp to 2000 m (without power derating)
Ingress ProtectionIP65 (Indoor and Outdoor installation)
MountingRear Panel
Dimensions (H*W*D) [mm]454*355*150
Net Weight [kg]14.8
Standard Warranty  [year]5 (Standard) 10/15/20/25 (Optional)
CertificatesIEC/EN62109-1/2,  EN61000-6-2/3/4, IEC61683, IEC60068-2, IEC62116, IEC61727, PEA/MEA, VDE0126-1-1/A1, CEI 0-21, VDE-AR-N 4105, AS/ZS4777.2, CQC NB/T 32004, G83/2, NBR 16149, NBR 16150,  C10/11, UNE206006,  UNE206007, EN50438



Flexible and Efficient

  • Optimized global MPPT algorithm, MPPT efficiency higher than 99.5%
  • Asymmetric dual MPPT which are compatible to all kinds of solar roofs
  • Max. efficiency of 98.0%, European efficiency of 97.6%
  • Super wide input voltage range(150V-1000V), supporting all varieties of solar panels and string desings

Convenient Installation

  • Transformless, smaller and lighter
  • AC output quick connector design, for faster installation
  • Specialized mounting design, easy to install

Smart and Easy to Use

  • One-button safety setting, easy configuration of all parameters
  • Built-in independent RTC chip, supporting data storage of 25 years
  • Integrated LCD graphical display, showing daily/monthly/yearly generation
  • Integrated RS232 / Wi-Fi interfaces, for improved communication
  • Free monitoring anytime anywhere
  • Local and remote intelligent maintenance by PC, IOS and Android devices
  • Responds to power grid dispatching, energy management of micro-grids
  • Integrated with the function of reactive adjusting

Safe and Reliable

  • IP65 protection for indoor and outdoor installation
  • Aluminum case design to enhance heat dissipation and prevent rust corrosion, prolong life time
  • Built-in high voltage DC switch for safer maintenance and application
  • Built-in convective fans to lower the temperature of core components, prolong life time
  • Natural convection for longer life


  1. 1000W/M2 25°C
  2. Meet the grid standard that AC current per phase not exceeding 16A.
  3. Meet the VDE – ARN – N 4105 that biggest apparent power of single-phase is 4600 VA.
  4. The above parameters might be slightly modified according to different grid codes.


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