Suntrio Plus 33K On-Grid Three Phase Inverter
August 9, 2020
Suntrio Plus 20K On-Grid Three Phase Inverter
August 9, 2020
Show all

Suntrio Plus 25K On-Grid Three Phase Inverter

Quick Overview

Industrial and Commercial three phase PV grid-connected inverters are mainly used in commercial rooftop PV grid system, to turn PV DC current into AC current for equipment in factories or sell to power grid. Suntrio Plus 25-60K is characterized with high efficiency, convenience in installing, stable and reliable. It’s preferred inverter for commercial PV investment.


Brand SAJ
Product Code ST-25
Warranty 5 Years
User Guide Download PDF
Categories: ,

Technical Specification

Input (DC)
Max. DC power [W] 30000
Max. DC Voltage [V] 1000
MPPT Voltage Range [V] 180-900
Nominal DC Voltage [V] 600
Start Voltage [V] 200
Min. DC Voltage [V] 180
Max. DC Input Current PV1/PV2 [A] 22/22/22
Number of MPPT 3
Number Of DC Connections Sets per MPPT 2/2/2
DC Switch Integrated
Output (AC)
Rated AC Power [VA] (@230V,50Hz) 25000
Max. AC Apparent Power [VA] 27500
Rated AC Current [A] 37.9
Max. AC Current [A] 42.0
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] 0.8 leading ~ 0.8 lagging
Total Harmonic Distortion [THDi] <3% (at Nominal Power)
Feed-in 3L + N + PE
Max. Efficiency 98.6%
Euro Efficiency (at 600Vdc) 98.4%
MPPT Accuracy >99.5%
Internal Over-Voltage Protection Integrated
DC Insulation Monitoring Integrated
DCI / GFCI / Grid Monitoring Integrated
AC Short Circuit Current Protection Integrated
LVRT Integrated
Thermal Protection Integrated
AC Surge Protection Ⅲ (Integrated),Ⅱ (Optional)
String Current Monitoring Integrated
Anti-PID Module Optional
DC Surge Protection Ⅱ Optional
DC Fuse Optional
Anti-island Protection Monitoring AFD
DC Connection MC4/H4
AC Connection Terminal Block
LCD & LED Display 3.5 inch Graphic LCD Display
Display Language English
Communication Port 2*RS485 + 1*RS232
Communication Wi-fi / GPRS / Ethernet  (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 Intelligent fan
Ambient Humidity 0% – 100% Non-condencing
Altitude 3000m ( >2000m power derating)
Noise(DBA) <35
Ingress Protection IP65 (Indoor and Outdoor installation)
Mounting Rear Panel
Dimensions (H*W*D) [mm] 700*530*260
Net Weight [kg] 48.0
Standard Warranty  [year] 5 (standard) 10/15/20/25 (Optional)
Certificates IEC62109-1/2, IEC61000-6-2/3, IEC60068-2, IEC62116, IEC61717, VDE-AR-N 4105, AS4777.2, AS4777.3, C-TICK, CQC NB/T 32004, G83-2, G59-3, NBR 16149, NBR 16150, TF 3.2.1



Flexible and Efficient

  • Optimized global MPPT algorithm, MPPT efficiency higher than 99.5%
  • Three MPPT which are compatible to all kinds of solar roofs
  • Max. efficiency of 98.8%, European efficiency of 98.5%
  • Super wide input voltage range(180V-1000V), supporting various solar panels and string desings

Convenient Installation

  • Aluminium case design, smaller and lighter
  • Integrate DC combiner box, reduce system cost
  • Separate area for maintenance, easy and quick for repair

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 with the function of reactive power control & ZVRT, responds to power grid dispatching, energy management of grid
  • Integrate string current monitoring, monitor string working status

Safe and Reliable

  • IP65 protection for indoor and outdoor installation
  • Optional DC&AC surge protection, guarantee system safety
  • Optional Anti-PID module, protect panels from PID damage
  • Aluminum case design to enhance heat dissipation and prevent rust corrosion, prolong life time


There are no reviews yet.

Be the first to review “Suntrio Plus 25K On-Grid Three Phase Inverter”

Your email address will not be published. Required fields are marked *