Phase | Three-phase four wire system |
Input voltage | Phase voltage:220V±20%(176-246V) Line voltage:380V±20%(304-456V) |
Output voltage | Phase voltage:220V±2-5% adjustable Line voltage:380V±2-5% adjustable |
Frequency | 50Hz/60Hz |
Efficiency | ≥95% |
Response time | ≤1.5S (against 10% input voltage deviation) |
Ambient temperature | -10°C~40°C |
Insulation resistance | ≥2MΩ |
Waveform distortion | Non additional waveform distortion |
Protection functions | Over-voltage, over-current, phase shortage, phase-sequence and mechanical failure. |
Over-load capacity | 1min. at the rated current of 2 times. |
Electricity-resistance strength | Power frequency sinusoidal is 200V AC without breakdown and flash over when it lasts 1min. |