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1. Altitude: less than 2000 meters;

2. Temperature: -10 ℃ to+50 ℃;

3. Humidity: Monthly average less than 95%;

4. This system is suitable for indoor installation and use, with good ventilation, no conductive or explosive dust in the operating location, no corrosive metals, and no gases and vapors that damage insulation levels;

5. There is no severe vibration or impact at the installation location, and the vertical inclination deviates from the reference position by no more than 5 degrees in any direction.

1. Three phase input rated voltage: 380V, 50Hz;

2. Range of input voltage variation: 323V to 437V;

3. Frequency variation range: 50Hz ± 5%;

4. Output voltage: DC48V, 110V, 220V;

5. Single module output current: DC5A, 10A, 20A;

6. Output voltage regulation range: 82% to 145%;

7. Output current limiting range: 10% to 105%;

8. Voltage stabilization accuracy: ≤± 0.2%;

9. Steady current accuracy: ≤± 0.2%;

10. Ripple factor: ≤± 0.2%;

11. Conversion efficiency: ≥ 91%;

12. Power factor: ≥ 0.94;

13. Parallel current uniformity: ≤± 3%;

14. Dynamic response: ≤ 200us;

15. Audible noise: ≤ 55db;

16. Screen size: 2360 (2260) mm x 800mm x 600 (550) mm (height x width x depth).