- # 432, 433, Sidco Estate, 88, Yadhaval street, Ambattur, Chennai - 600 098. India
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| Rated Voltage | 66 KV | |
| Rated Current | 300 A | |
| Direction of Power Flow | Bi-Directional | |
| Tapping Arrangement | Linear | |
| Maximum Number of Tap Positions | 17 | |
| Maximum Step Voltage | 1000V | |
| Switching Capacity | 270 KVA | |
| Insulation Level | Applied Voltage (KV) | Fullwave Lightning Impulse (KV) |
| A) Tap Changer to Earth | 140 | 350 |
| b) Between phases | 140 | 350 |
| c) Between First and Last Contacts | 40 | 100 |
| d) Between any two adjacent Contacts | 25 | 50 |
| e) Between contacts of Change – Over Selector | NA | NA |
| Oil Quantity | 580 Liters | |
| Weight of OLTC with Oil | 1000 Kg |
