circuit breaker vs disconnect

circuit breaker

noun
  • An electrical switch capable of opening and closing an electrical circuit in all operating conditions, including fault situations. 

  • Synonym of trading curb 

  • More specifically, a circuit breaker that automatically breaks overcurrent conditions; a type of overcurrent protective device. 

  • Quarantine measures intended to prevent spread of pandemics, such as the coronavirus. 

disconnect

noun
  • A switch used to isolate a portion of an electrical circuit. 

  • A lack of connection or accord; a mismatch. 

  • The deliberate severing of ties with family, friends, etc. considered antagonistic towards Scientology. 

  • A break or interruption in an existing connection, continuum, or process; disconnection. 

verb
  • To sever or interrupt a connection. 

  • To remove the connection between an appliance and an electrical power source. 

  • Of a person, to become detached or withdrawn. 

How often have the words circuit breaker and disconnect occurred in a corpus of books? (source: Google Ngram Viewer )