what are the differenc between vcb and sf6 breakers
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Answer Posted / karthik_elec
vcb: its produce the vacuum during the on off and fault
duriations. this vacum eliminate the arc between the
contact points.
sf6: its pass the sulfer hexa floride gas during the on off
and fault duriations, the pressure of the sf6 gas inside
the circuit breker is 5 to 7 kg/cm2. it will vary the
operating voltage of the sf6 CB
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