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| Quantity: | |
|---|---|
IST-12/400
Three-column Disconnector
Manual
Horizontal Rotary Type
Single Ground
Turn the Horizontal
Manual
Oei Power
IEC62271-102
8535309000
High-voltage
Outdoor High-voltage
Grounding
Three Pole
Three
Ist
IEC IEEE
OEIpower
China Nanyang
Product Description
| S.No | DESCRIPTION | UNITS | BIDDER OFFERED VALUE |
| 1. | Rated Voltage | KV | 12 KV |
| 2. | Frequency | Hz | 50 Hz |
| 3 | Rated continuous current | A | 630 |
| 4 | Impulse withstand voltage to ground | KV | 95 |
| 5 | Impulse withstand voltage across gaps | KV | 110 |
| 6 | Dry one-minute power frequency withstand voltage to ground | KV | 35 |
| 7 | Dry one minute power frequency withstand voltage across gap | KV | 45 |
| 8 | Wet one minute power frequency withstand voltage to ground | KV | 30 |
| 9 | Limits of radio interference 10KV and 1000 K.C/Sec | 250 uV | |
| 10 | Temperature rise at rated current (max.) | 30oC at 50oC ambient | |
| 11 | Dimensions and mechanical ,Electrical values Of Polymer Insulator | ||
| 12 | Leaking distance | mm | 508 (minimum) |
| 13 | Dry arcing distance | mm | 210 (minimum) |
| 14 | Cantilever strength | kg | 400 |
| 15 | Tensile strength | kg | 1000 |
| 16 | Compressive strength | kg | 5400 |
| 17 | Tensile proof test load | kg | 700 |
| 18 | Dry power frequency flashover | KV | 85 |
| 19 | Wet power frequency flashover | KV | 55 |
| 20 | Dry one-minute power frequency withstand | KV | 70 |
| 21 | Wet one-minute power frequency withstand | KV | 45 |
| 22 | Impulse flash over positive | KV | 115 |
| 23 | Impulse flashover negative | KV | 140 |
| 24 | Power frequency puncture voltage | KV | 150 |
