| Parameter | Three Phase | Single Phase |
|---|---|---|
| Configuration | 3-phase Delta / Star 3 limb construction, | 1-phase input & output |
| Type of cooling | Natural Air Cooled / Natural oil cooled (depending on rating) | |
| Primary | 415 V AC 3 phase 50 Hz | 230V AC 1 phase 50 Hz |
| Secondary | 415 V AC 3 phase | 230V AC 1 phase |
| Type of lamination | CRNO | |
| Type of winding | Copper & Aluminum (optional) | |
| Load regulation | Better than 5%. | |
| Input frequency range | 47 to 53 Hz. | |
| Class of insulation | Class F (for air cooled & oil cooled) | |
| Insulation strength | Withstands 2.5 kV for 1 minute. (Between windings & windings and body) | |
| DC galvanic isolation | 100 Mega Ohms | |
| Short Circuit Protection | HRC Fuse at input upto 200 KVA | |
| Housing | Sheet metal housing | |