Automatic circuit breaker for large transformers - has adjustable cam for controlling amount of force required to actuate switch upon transformer overload
FR2355365A1
Electric switch system in distribution board - has mirror enabling operator to view position of contacts protected behind barrier
FR2347770A1
Release mechanism for low voltage contact-breaker - has two sets of bimetal strips to simulate hot spot of transformer
FR2326775A1
Protective circuit breaker thermal release - is for power transformer and has bimetal strips carrying phase currents and in thermally insulated housing
ES422366A1
Improvements in a circuit breaker for transformers. (Machine-translation by Google Translate, not legally binding)