The switchgear has an output shaft (111) of a hydraulic operation unit (110), and a drive shaft of a movable contactor (103) linearly arranged. A longitudinal shaft of an accumulator (114) is arranged parallel to the output shaft. A support unit equipped with a conduit (115) for supplying fluid under pressure to the operation unit from the accumulator, and arranged perpendicular to the output shaft of operation unit. The operation unit is used for driving the movable contactor.
