The utility model discloses a
relay. The
relay comprises a contact cavity, at least one group of contact assemblies and an arc guide structure, the contact cavity is provided with a contact chamber; the contact
assembly comprises a movable contact piece and two static contact pieces, the static contact pieces are provided with static parts and conductive pieces, the static parts are arranged at the top of the contact cavity, the two conductive pieces are connected with the two static parts respectively, and the two conductive pieces extend in the direction close to each other; the movable contact piece is movably arranged in the contact cavity and is used for being in contact with or separated from the two conductive pieces; and the arc guide structure is arranged on the movable contact piece and is configured to guide arc flow generated in the contact and
separation process of the movable contact piece and the static contact piece.