2500 kVA to 8 MVA
ONAN or ONAN/ONAF
| Range | 2500 kVA to 8 MVA |
|---|---|
| Voltage | 66 kV; 33 kV; 22 kV; 11 kV |
| Vector group | As per IS: 2026 (Part 4) |
| Class of insulation | Class A |
| Cooling | ONAN or ONAN/ONAF |
| Type | On load tap changer or Off load tap changer |
| Frequency | 50 Hz |
| Applicable standard | IS: 2026 / IS: 335 / IS: 2066 / IS: 3347 or IEC: 60076 |