SF6 Circuit Breakers
SF6 Circuit Breakers operate to switch electric circuits and equipment in and out of the system. These circuit breakers are filled with compressed sulfur-hexafluoride gas which acts to open and close the switch contacts. The gas also interrupts the current flow when the contacts are open. 
 
 
 
          
      
 
  
 
 
 
 
 
 
 
 
 
 
 
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