• SI6KS2xiliezhoushitu16cemian-879.png
  • SI6KS2xiliezhengshitu-588.png
  • SI6KS2xilieditu-403.png
Residential On-grid Inverters

SI-3.6~6K-S2

  • 3.6~6kW
  • 2MPPTs
  • Single Phase

Technical Parameters

We use dual MPPT for roof structures with different orientations for more precise control and higher power production. With a maximum MPPT input current of 14A, it is fully compatible with high-efficiency modules.


  • fuyong2-867.png

    OLED display, touch button design, simple operation

  • fuyong1-693.png

    Maximum efficiency 97.6%, more power generation

  • gongsijieshaoyoushishuju6-140.png

    14A string current, suitable for high power modules

  • guangfuban-176.png

    130% DC configuration, 110% AC overload output

  • 65-133.png

    IP65 protection level, built-in SPD protection device

  • shouji-920.png

    Intelligent remote monitoring

  • fuyong2-635.png

    Support anti-backflow function

  • fuyong1-617.png

    60V ultra-low operating voltage

  • AFCI-58.png

    Support AFCI function

Technical Data
Technical DataS1-3.6K-S2SI-4K-S2SI-4.6K-S2SI-5K-S2S1-6K-S2
Input Data




Max. DC input power4700W5500W6000W6500W7800W
Max. DC input voltage

550V

Operation voltage range

80V-540V

Number of independent MPPT/strings per MPPT

2/1+1

MPPT max. current

14A/14A

AC Output Data




Rated output power3.6kW4kW4.6kW5kW6kW
Max. output power4kW4.4kW5kW5.5kW6.6kW
Rated output voltage

230V/ 180V-280V

Rated output frequency

50Hz,60Hz/±5Hz

Rated output current15.7 A18 A20A21.8 A26.1 A
Max. output current17.3 A20A22A24A29A
Power factor

-0.8~+0.8(adjustable)

THDi

<3%(Nominal Output)

Grid system pattern

L+N+PE

Efficiency




Max. efficiency

97.6%

Europe efficiency

96.8%

Protection




Input DC switch

Yes

Input over current protection

Yes

DC reverse polarity protection

Yes

Output over voltage protection

Yes

Output over current protection

Yes

Anti islanding protection

Yes

Insulation impedance protection

Yes

RCD detection

Yes

General Data




Dimensions (L/W/H) in mm

330/188/312

Weight

11.4 kg

Noise

<25dB

Operation temperature range

-25℃~+60℃

Heat dissipation mode

Natural

IP Class

IP 65

Maximum altitude

4000m

Self-Consumption night

<1w

Topology

Transformerless

Features




LCD display

Yes

Communication interface

WIFI/4G/GPRS/RS485(optional)

Warranty

5 years (standard)

Standards

IEC62109-1, IEC62109-2, NB/T32004, VDE-AR-N4105, EN50549