Which is is best option for 33 kv line incomer.I am
Desinging the panel for new projects and i would like to get
Your opinion on this
Vcb or sf6.
Please help me with your replies.
Thanks
D p singh

Answer Posted / madhu

SF6 is most reliable, fit and forget. VCB is only available up to 33 kV.
SF6 breakers are maintenance prone and chance of gas leak is more. But SF6 is available from 11 kV to 400 + kV

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