Assertion: sf circuit breaker | /r/ObjectUse | used in electrical grids
Facets:
value: at transmission voltages
type: OTHER
value: as generator circuit breakers
type: MANNER
value: in distribution systems at voltages
type: LOCATION
value: widely
type: DEGREE
Source sentences:
text: Developed in the 1950s and onward, SF 6 circuit breakers are widely used in electrical grids at transmission voltages up to 800 kV, as generator circuit breakers, and in distribution systems at voltages up to 35 kV.