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SF-6 Interrupter Pole
Rated Voltage- 12KV
Rated Current- 1250/2500/3150A
Rated Frequency- 50Hz
Rated Short Time Withstand Current- 40KA
Rated Duration of Short Circuit- 3sec
Rated SF6 gas pressure at 20 deg C- 2.5bar
Operational Features :
1) During breaking of the contacts, the puff of gas extinguishes the arc when the circuit breaker is in the closed position.
2) Due to movement of the piston, the gas is compressed. Firstly, the main contacts open and then the arcing contacts break the contact so as to maintain a long life for the main contacts.
3) Due to this action, the compressed gas is released and it extinguishes the arc.
SF-6 Interrupter Pole
Rated Voltage- 12KV
Rated Current- 1250/2500/3150A
Rated Frequency- 50Hz
Rated Short Time Withstand Current- 40KA
Rated Duration of Short Circuit- 3sec
Rated SF6 gas pressure at 20 deg C- 2.5bar
Operational Features :
1) During breaking of the contacts, the puff of gas extinguishes the arc when the circuit breaker is in the closed position.
2) Due to movement of the piston, the gas is compressed. Firstly, the main contacts open and then the arcing contacts break the contact so as to maintain a long life for the main contacts.
3) Due to this action, the compressed gas is released and it extinguishes the arc.
