202889 ⎘
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details; Power arrangements internal to the switch for operating the driving mechanism using fluid actuator monitoring the pressure of the working fluid, e.g. for protection measures
Cam disk and spring excursion switch for a stored-energy spring mechanism and stored-energy spring mechanism
#2Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device
#3Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device
#4Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device