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which type of breaker sould be used for different level of
voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....
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Answer Posted / manoj
upto 11kv air break or oil break type.
between 11kv to 66kv mainly oil CB.
between 132kv to 275kv is shared by oil and gas blast CB.
between 400kv and above gas blast(SF6)type.
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