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1. A relay, comprising:
a pair of fixed terminals, each being arranged to have a fixed contact on a one-end face; a movable contact member arranged to have a pair of movable contacts that are correspondingly opposed to the respective fixed contacts; and a driving structure operated to move the movable contact member such that the respective movable contacts come into contact with the opposed fixed contacts, the relay further comprising: a first vessel arranged to allow insertion of the pair of fixed terminals; a second vessel joined with the first vessel; and an air-tight space formed by at least the pair of fixed terminals, the first vessel and the second vessel to allow the movable contact member and the respective fixed contacts to be placed therein, wherein in a moving direction of the movable contact member, a side where the fixed contacts are located is called a first side, and a side where the movable contacts are located is called a second side, wherein the movable contact member includes:
a center section located between the pair of movable contacts in a path of connecting the pair of movable contacts on the movable contact member and located on the second side relative to the movable contacts; anda pair of extended sections located between the center section and the pair of movable contacts in the path and extended in a direction including a component of the moving direction, wherein at least one of the pair of extended sections has a specific relationship of being overlapped at least partly with the one-end face located on same side relative to the center section in vertical projection of the relay onto a predetermined plane perpendicular to the moving direction,
wherein each of the pair of extended sections has a projecting part which protrudes to the first side relative to the center section, and wherein the projecting part has a length in the moving direction that is equal to or greater than a thickness of the center section.
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