Product advantages：
1. Three level voltage converter technology.
2. Using IPM from Mitsubishi company as the power components.
3. Using ATEMEL company microprocessor as figure controller.
4. Zero power consumpt at night
5. Perfect protection and warning functions.
6. MPPT (Maximum Power Point Tracking )technology.
7. Circuit frame compact,Max. Efficiency≥95%
8. Stainless steel shell with hermetic seal
Product advantages：
9. Multi selection:Low frequency transformar isolation type,transformer less type,transformer less type.
10. Four quadrant operation mode.
11. communication,multi communication interface can be selected
12. pure sine wave output,automatically synchronized with the grid tracking,power factor close to 1, Current low harmonic content, non-polluting power grid, no impact
13. Inverter current closed-loop control, power controllable
14. big-screen English LCD, perfect display, interface-friendly.
Parameters：
PV grid-on system special Single-phase inverter
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model |
SF-1KD |
SF-3KD |
SF-5KD |
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Rated AC output power |
1000w |
3000w |
5000w |
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insulate mode |
Low frequency transformer |
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Recommended PV array power |
1200 Wp |
3600 Wp |
6000 Wp |
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Max. open circuit voltage |
450VDC |
780VDC |
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MPPT range |
150~450V |
200~450V |
200~780V |
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Max. input current |
6.7A |
15A |
25A |
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Can access array of parallel group |
4 group |
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connecting mode of battery board |
water-proof direct-plug terminals |
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Max. efficiency |
94% |
95% |
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Europe efficiency |
92% |
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Operating range utility |
90~135V or185~260V |
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operating range utility frequency |
50HZ±2%or60Hz±2% |
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Total Harmonic Distortion(THD) |
<4% |
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power factor |
>0.98 |
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Zero power consumpt at night |
<0.5W |
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communication Interfaces |
RS485 |
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Electrical insulation properties |
1500Vac，1 minute |
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operation surroundings Temperature |
-25~+60℃ |
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opreation surroundings Humidity |
0~100% |
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Protection |
Protection for input connecting contrary, input lack of voltage, output over load, output short circuit and over heat. |
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cooling mode |
windy |
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noisy |
<40dB |
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waterproof and Dustproof Class |
IP20（indoor）、IP65（outdoor） |
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Size(L×W×Hmm) |
300*150*500 |
350*200*500 |
410*283*580 |
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Weight(KG0 |
14 |
45 |
50 |
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