Operation Frequency And Inspection Specifications Of Sf6 Circuit Breaker Operating Mechanism
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When the number of normal operations (closing and opening load current) of sf6 circuit breaker operating mechanism reaches 2000 times and the rated current is interrupted 10 times, the bolts in each part should be checked for looseness. The inspection method and requirements shall be carried out in accordance with the maintenance inspection requirements of sf6 circuit breaker spring mechanism. If it meets the specified technical parameters, it can continue to be used.
