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Is the Frequent ON/OFF cycle affect the SF range of SF6 circuit breaker life.

The frequency of ON/OFF cycle does not affect the Circuit breaker life. 
It is linked to the number of operation. SF1 range of Circuit Breaker like other CBs is class M2 and able to do 10000 operations. Operation means 10000 O/C (10000 ON &10000 OFF). 

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