http://www.iec.ch/TC57/CIM#Breaker
Class cim:Breaker

type
Class [owl:Class]
comment
A mechanical switching device capable of making, carrying, and breaking currents under normal circuit conditions and also making, carrying for a specified time, and breaking currents under specified abnormal circuit conditions e.g. those of short circuit.
subClassOf
cim:ProtectedSwitch
equivalentClass
cim:Breaker.inTransitTime max 1 cim:Seconds
References

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