SAJ-R6-15KW Grid Tied Inverter 2MPPT 3 Phase


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R6-15~25K-T2-32 Series Datasheet

  • The recommended accessed DC power intake of the solar inverter is up to 18150 watts.
  • The voltage range of a single MPPT module is from 180 – 900 V.
  • For the starting up of the PV inverter model, it takes almost 200 V.
  • The minimum DC voltage ratio that can be efficiently converted is; 180 V.
  • The number of DC connection sets per single MPPT is 2/2.
  • There are two MPPT modules integrated with this solar panel inverter model.


The SAJ-R6-15KW Three Phase On-Grid Solar Inverter has an imminent power capacity of 15000 Watts. Maxpower provides a working warranty of 5 years, thus, ensuring robust working capability. Before getting to the inverter model’s description—the SAJ by Maxpower is ultimately known for the finest conversion efficiency of DC to AC power and sleeky/robust structure. Now, getting on to the working of the Suntrio Plus 15 Three Phase On-Grid Solar Inverter. Here, are some important input ratios of this solar inverter model;

Protective Features

The protective features integrated with the solar inverter model ensure durability and sustained performance. These are;

  • Internal Over-Voltage Protection: If the circuit faces any over-voltage situation, this usually can burn the device—the internal over-voltage protection feature cuts the power and shuts down the system to prevent any superior harm.
  • DC Insulation Monitoring: The DC insulation monitoring is integrated to make sure the DC power input is on point.
  • Grid Monitoring: The grid connection requires to be monitored so that in case of any disruption, the user is notified immediately.
  • AC Short Circuit Protection: In the output module, when the DC power is converted into AC power, short circuits can be imminent rarely—this feature protects from damage.
  • Thermal Protection: Overheating is one of the sole reasons that most electrical devices fail to sustain proper performance. The thermal protection prevents any preliminary or viable harm of overheating.


The topology of this best solar inverter model is transformer-less. The Suntrio 15K On-Grid Solar Inverter has a nighttime (or when not converting energy) consumption of less than 0.6 watts. On the standby mode, it has consumption of less than 10 watts. The temperature range optimal for the suitable performance is from -25 degrees Celsius to 60 degrees Celsius. As one of the most durable solar inverter 2021, it is integrated with an intelligent fan for proper cooling.

Input (DC)
Recommended accessed DC power1 [W] 18150
Max. DC Voltage [V]
MPPT Voltage Range [V] 180-900
Nominal DC Voltage [V]
Start Voltage [V] 200
Min. DC Voltage [V] 180
Max. DC Input Current PV1/PV2 [A] 22/22
Number of MPPT 2
Number of DC Connections Sets per MPPT 2/2
DC Switch
Output (AC)
Rated AC Power [VA] (@230V,50Hz) 15000
Max. AC Apparent Power [VA] 16500
Rated AC Current [A] 21.7
Max. AC Current [A] 25.0
Nominal AC Voltage / Range 3/L/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 98.4%
Euro Efficiency (at 600Vdc) 98.1%
MPPT Accuracy >99.9%
Internal Over-Voltage Protection Integrated
DC Insulation Monitoring Integrated
DCI / GFCI / Grid Monitoring Integrated
AC Short Circuit Current Protection Integrated
Thermal Protection Integrated
AC Surge Protection Ⅲ (Integrated),Ⅱ (Optional)
String Current Monitoring Integrated
DC Surge Protection Ⅱ (Optional)
DC Fuse Optional
Anti-island Protection Monitoring AFD
DC Connection MC4/H4
AC Connection Terminal Block
LCD Display 3.5 inch Graphic LCD Display, Backlight
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-condensing
Altitude 3000m ( >2000m power derating)
Noise(DBA) <35
Ingress Protection IP65 (Indoor and Outdoor installation)
Mounting Rear Panel
Dimensions (H*W*D) [mm] 640*450*232
Net Weight [kg] 29.0
Standard Warranty  [year] 5 (standard) 10/15/20/25 (Optional)
Certificates IEC/EN62109-1/2,  EN61000-6-2/3, IEC61683, IEC60068-2, IEC62116, IEC61727,  VDE0126-1-1/A1, VDE-AR-N 4105, CQC NB/T 32004, G83/2, NBR 16149, NBR 16150,  C10/11, EN50438, Rd1669, UNE206006,  UNE206007, G59/3


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