11 kV Isolator
11 KV Isolator
To meet the diversified requirements of our prestigious clients, we are engaged in offering 11 kV Isolator that is used in electrical industry. It is available in a wide variety of specifications as per the exact requirements of clients. This isolator is fabricated under the guidance of experienced professionals using supreme class raw materials with the help of latest technology at par with international quality standards. The offered 11 kV Isolator is widely recognized for its high performance, less maintenance, robust construction, corrosion resistance and dimensional accuracy.
| Double break Isolator guaranteed technical particulars | |||||||
| Governing Std | IS 9921/IEC-129 | ||||||
| Nominal voltage | 11kV | 22kV | 33kV | 66kV | 110kV | 132kV | 220kV |
| Highest system voltage | 12kV | 24kV | 36kV | 72.50kV | 123kV | 145kV | 245kV |
| Current rating | 400 Amps to 2500 Amps | ||||||
| STC rating kA | 25 | 25 | 30 | 30 | 40 | 40 | 40 |
| duration of STC in sec. | 1 or 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Impulse withstand Voltage(kVp) | 75/85 | 125/145 | 170/195 | 325/375 | 550/630 | 650/750 | 950/1050 |
| power frequecy withstand(kV rms) | 28/32 | 50/60 | 70/80 | 140/160 | 230/265 | 275/315 | 395/460 |
| Insulator option | Stack post | Stack post | Stack post & solid core | Solid core | Solid core | Solid core | Solid core |
| | | | solid core | | | | |
| Auxilliary options | Aux switch+Electrical Interlock+Gear mech+Motor operated mechanism | ||||||
| types of contact relief | Banging & Turn twist | ||||||
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