SG2K-S/SG2K5-S/SG3K-S/SG3K-D/SG5K-D

 
 
 


 
  • Higher yield with Max. efficiency 98.4 %, European efficiency up to 98.0 %
  • Flexible PV string configurations, DC/AC ratio up to 1.3

   
  • Build-in surge arresters and residual current protection
  • High anti-corrosion with aluminum alloy die casting


 
 
 

  
  • Easy local and online monitoring via App or Web
  • Export power control with Sungrow energy meter


  
  • 11.5 kg (dual tracker) / 8.5 kg (single tracker) compact design, plug and play installation
  • Fast commissioning via LCD

Technical Data

Input (DC)                                SG2K-S    SG2K5-S  SG3K-S    SG3K-D        SG5K-D

Max. PV input voltage

600 V

600 V

600 V

600 V

600 V

Min. PV input voltage / Startup input voltage

90 V / 120 V

90 V / 120 V

90 V / 120 V

90 V / 120 V

90 V / 120 V

Nominal input voltage

360 V

360 V

360 V

360 V

360 V

MPP voltage range

90 – 560 V

90 – 560 V

90 – 560 V

90 – 560 V

90 – 560 V

MPP voltage range for nominal power

210 – 480 V

260 – 480 V

310 – 480 V

160 – 480 V

260 – 480 V

No. of independent MPP inputs

1

1

1

2

2

Max. number of PV strings per MPPT

1

1

1

1

1

Max. PV input current

10A

10A

10A

20A (10A/10A)

20A (10A/10A)

Max. current for input connector

12A

12A

12A

24A (12A/12A)

24A (12A/12A)

Max. PV short-circuit current

12A

12A

12A

24A (12A/12A)

24A (12A/12A)

Output (AC)                              SG2K-S    SG2K5-S  SG3K-S    SG3K-D       SG5K-D

Nominal AC power (at 40 ˚C)

2000 W

2500 W

3000 W

3000 W

4990 W

Nominal AC power (at 45 ˚C)

2000 W

2500 W

3000 W

3000 W

4990 W

Max. AC output at PF="1" (at 45 ˚C)

2000 W

2500 W

3000 W

3000 W

4990 W

Max. AC apparent power (at 45 ˚C)

2000 VA

2500 VA

3000 VA

3000 VA

4990 VA

Max. AC output current

9.1 A

11.3 A

13.7 A

13.7 A

21.7 A

Nominal AC voltage

230 Vac

230 Vac 

230 Vac 

230 Vac 

230 Vac 

AC voltage range

180 Vac–276 Vac (this may vary with grid standards)

Nominal grid frequency

50 Hz, 60 Hz,

Grid frequency range

45 Hz–55 Hz, 55 Hz–65 Hz (this may vary with grid standards)

Total Harmonic Distortion (THD)

< 3 % (of nominal power)

DC current injection

< 0.5 % (of nominal current)

Power factor

>0.99 at default value at nominal power (adj. 0.8 overexcited/leading to 0.8 underexcited/lagging)

Feed-in phases / Connection phases

1 / 1

Efficiency                                 SG2K-S    SG2K5-S   SG3K-S    SG3K-D       SG5K-D

Max. efficiency

98.20%

98.20%

98.20%

98.40%

98.40%

Euro. efficiency

97.20%

97.50%

97.70%

97.70%

98.00%

Proctection

PV reverse connection protection

Yes

AC short-circuit protection

Yes

Leakage current protection

Yes

Grid monitoring

Yes

PV string current monitoring

Yes

DC switch

Optional

Overvoltage protection

AC Type III

General Data

Dimensions (W x H x D)

300 mm x 370 mm x 125 mm

(SG2K-S/SG2K5-S/SG3K-S)

360 mm x 390 mm x 133 mm

(SG3K-D/SG5K-D)

Weight

8.5 kg  (SG2K-S/SG2K5-S/SG3K-S)

11.5 kg  (SG3K-D/SG5K-D)

Isolation method

Transformerless

Degree of protection

IP65

Power loss in night mode

< 1 W

Operating ambient temperature range

-25 to 60 (> 45 derating)

Allowable relative humidity range (non-condensing)

0 – 100%

Cooling method

Natural cooling

Max. operating altitude

4000 m (> 2000 m derating)

Display / Communication

LCD / Wi-Fi (optional)

PV connection type

MC4 (Max. 6 mm² )

AC connection type

Plug and play connector (Max. 6 mm² )

Certification

IEC 61000-6-2, IEC 61000-6-3, IEC 62109-1, IEC 62109-2, VDE-AR-N-4105, VDE 0126-1-1, EN50438, NB/T 32004, GB/T29319, CE, CGC, TUV, SAA, ABNT NBR 16149:2013, ABNT NBR 16150:2013

Grid support

Active & reactive power control, power ramp rate control



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