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what is the purpose of SF6 in HT breaker and what is the
pressure should be maintain in the breaker?
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Answer Posted / y ashok
sf6 breaker are used for ht voltage.
sf6 breaker (sf6 gas) are high arc quenching capacity.
sf6 breaker details:-(as per my knowledge)
voltage:132 kv
current:800a
sf6 pressure :4-5.5 kg/cm2
air pressure : 12-15.5 kg/cm2
make:cgl
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