Product description
SG series three phases dry transformer apply to ac 50/60Hz , voltage 1000Vand under circuits, it is low-voltage complete switch equipment and electrical transmission control device of three phases power transformer.
This series of three phases dry transformer can be made open type and protected type, with low loss, low noise, good fireproof performance and no pollution etc.
Specifications
| Product model | DG/SG |
| Rated capacity | 5-1000KVA |
| Phase | Single phase/Three phase |
| Input voltage | 220V/380V |
| Output voltage | 220V/380V |
| Impedance | ≤4% |
| Efficiency | ≥96% |
| Frequency | 50Hz/60Hz |
| Connecting the group | Y/Y |
| Insulation grade | F |
| Insulation resistance | The ground insulation resistance of the whole machine is> 5 MΩ |
| Insulation strength | Sinusoidal AC voltage is 2500V / 1min without flash path and breakdown |
| Instantaneous overload capacity | From 2 to 5 times the rated current |
| Display mode | meter display |
| Working mode | Long-term continuous operation |
| Protection function | Overload, over current, over temperature, short circuit protection (customized) |
| Heat dissipation mode | Self-cooling (air cooling) |












