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Suntrio Plus 50K On-Grid Three Phase Inverter
August 9, 2020
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Suntrio Plus 5K On-Grid Three 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. Suntrio Plus Series 4K, 5K, 6K, 8K & 10K Grid-connected Inverters are the preferred inverters for residential PV investment because of their small size, light weight, high efficiency, easy installation, and reliability.


Brand SAJ
Product Code ST-5
Warranty 5 Years
User Guide Download PDF
Categories: ,

Technical Specification

Input (DC)
Max. DC power [W] 6000
Max. DC Voltage [V] 1000
MPPT Voltage Range [V] 160-900
Nominal DC Voltage [V] 600
Start Voltage [V] 180
Min. DC Voltage [V] 150
Max. DC Input Current PV1/PV2 [A] 11/11
Number of MPPT 2
Number of DC Connections Sets per MPPT 1/1
DC Switch Integrated
Output (AC)
Rated AC Power [VA] (@230V,50Hz) 5000
Max. AC Apparent Power [VA] 5000
Rated AC Current [A] 7.2
Max. AC Current [A] 8.1
Nominal AC Voltage / Range 3/N/PE, 220/380V, 230/400V, 240/415V; 180V-280V/312V-485V
Grid Frequency / Range 50Hz,60Hz/44Hz-55Hz, 54Hz-65Hz
Power Factor, Adjustable [cos φ] 0.9 leading ~ 0.9 lagging
Total Harmonic Distortion [THDi] <3% (at Nominal Power)
Feed-in-Phase /  Connection Phase 3/3
Max. Efficiency 97.8%
Euro Efficiency (at 600Vdc) 97.2%
MPPT Accuracy >99.5%
Internal Over-Voltage Protection Integrated
DC Insulation Monitoring Integrated
DCI Monitoring Integrated
GFCI Monitoring Integrated
Grid Monitoring Integrated
AC Short Circuit Current Protection Integrated
Thermal Protection Integrated
Anti-island Protection Monitoring AFD
DC Connection MC4/H4
AC Connection Plug-in-Connector
LCD Display 3.5 inch Graphic LCD Display, Backlight, Inverter Parameter and Data Display
Display Language Multi Language
Datalogger and Communication 1*RS485/1*RS232/Wifi (Optional)
General Data
Topology Transformerless
Consumption at Night [W] <0.6
Consumption at Standby [W] <10
Operating Temperature Range -25°C to +60°C (45°C to 60°C with Derating)
Cooling Method Natural Convention
Ambient Humidity 0% – 100% Non-condencing
Altitude Up to 2000m (without power derating)
Noise(DBA) <29
Ingress Protection IP65 (Indoor and Outdoor installation)
Mounting Rear Panel
Dimensions (H*W*D) [mm] 530*355*190
Net Weight [kg] 20.5
Standard Warranty  [year] 5 (standard) 10/15/20/25 (Optional)
Certificates IEC62109-1/2, IEC61000-6-2/3, IEC61683, IEC60068-2, IEC62116, IEC61717,  PEA/MEA, NRS 097-2-1, UTE-C-15-712-1, VDEO126-1-1/A1, VDE-AR-N 4105, AS4777.3,  C-TICK CQC NB/T 32004, G83-2, NBR 16149, NBR16150, TF 3.2.1,  C10/11


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


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