UNIT SWITCH, OPENING/CLOSING DEVICE, AND RAILWAY VEHICLE

摘要

PROBLEM TO BE SOLVED: To prevent increase in the number of components and enlargement of a device even when two circuits are connected to one of electric connection parts.SOLUTION: The unit switch includes: a vacuum interrupter molded with a solid insulator including at least a movable electrode and a fixed electrode disposed so as to face each other; two electric connection parts on the fixed electrode side; one electric connection part on the movable electrode side; and an insulation operation rod for driving in an openable/closable manner a power collection mechanism and the movable electrode on the movable electrode side.