Sunny Boy 3.0 / 3.6 / 4.0

Maximum power of PV array

5500 Wp

5500 Wp

7500 Wp

Maximum input voltage

600 V

600 V

600 V

MPP voltage range

110 V to 500 V

130 V to 500 V

140 V to 500 V

Rated input voltage

365 V

365 V

365 V

Minimum input voltage

100 V

100 V

100 V

Initial input voltage

125 V

125 V

125 V

Maximum input current, input A

15 A

15 A

15 A

Maximum input current, input B

15 A

15 A

15 A

Maximum input current per string, input A

15 A

15 A

15 A

Maximum input current per string, input B

15 A

15 A

15 A

Maximum short-circuit current, input A¹⁾

20 A

20 A

20 A

Maximum short-circuit current, input B¹⁾

20 A

20 A

20 A

Maximum reverse current into the PV modules

0 A

0 A

0 A

Number of independent MPP inputs

2

2

2

Strings per MPP input

2

2

2

Overvoltage category as per IEC 60664-1

II

II

II

Rated power at 230 V, 50 Hz

3000 W

3680 W

4000 W

Maximum apparent power at cos φ = 1

3000 VA

3680 VA

4000 VA

Rated apparent power at cos φ = 1

3000 VA

3680 VA

4000 VA

Nominal grid voltage

220 V / 230 V / 240 V

220 V / 230 V / 240 V

220 V / 230 V / 240 V

Rated grid voltage

230 V

230 V

230 V

Voltage range²⁾

180 V to 280 V

180 V to 280 V

180 V to 280 V

Rated current at 220 V

13.7 A

16 A

18.2 A

Rated current at 230 V

13.1 A

16 A

17.4 A

Rated current at 240 V

12.5 A

15.4 A

16.7 A

Maximum output current

13.7 A

16 A

18.2 A

Total harmonic distortion of the output current with total harmonic distortion of the AC voltage <2%, and AC power >50% of the rated power

≤3 %

≤3 %

≤3 %

Maximum output current under fault conditions

29 A

29 A

29 A

Inrush current

< 20% of the nominal AC current for a maximum of 10 ms

< 20% of the nominal AC current for a maximum of 10 ms

< 20% of the nominal AC current for a maximum of 10 ms

Rated grid frequency

50 Hz

50 Hz

50 Hz

Grid frequency²⁾

50 Hz / 60 Hz

50 Hz / 60 Hz

50 Hz / 60 Hz

Operating range at grid frequency 50 Hz

45 Hz to 55 Hz

45 Hz to 55 Hz

45 Hz to 55 Hz

Operating range at grid frequency 60 Hz

55 Hz to 65 Hz

55 Hz to 65 Hz

55 Hz to 65 Hz

Power factor at rated power

1

1

1

Displacement power factor cos φ, adjustable

0.8 overexcited to 0.8 underexcited

0.8 overexcited to 0.8 underexcited

0.8 overexcited to 1 to 0.8 underexcited

Feed-in phases

1

1

1

Connection phases

1

1

1

Overvoltage category as per IEC 60664-1

III

III

III

Maximum efficiency, η_max

97.0 %

97.0 %

97.0 %

European weighted efficiency, η_EU

96.4 %

96.5 %

96.5 %