An electrical contact system includes a pair of static contacts, a rotatable member disposed between the static contacts and rotatable about a rotation axis between a first position and a second position, and a movable contact mounted on and rotated with the rotatable member. A pair of opposite ends of the movable contact are in electrical contact with the static contacts when the rotatable member is rotated to the first position. The ends of the movable contact are separated from the static contacts when the rotatable member is rotated to the second position. The movable contact has a Z-shape and is slidably mounted on the rotatable member. The movable contact slides under a pushing force from a first static contact of the static contacts toward a second static contact of the static contacts to be in electrical contact with the second static contact.

An electrical switchgear (10) is disclosed, which comprises a housing (12, 14, 16), at least one first contact (18, 20) mounted in the housing (14), at least one second contact (22, 24) being translationally movable within the housing (12, 14), a switchgear control mechanism comprising a first rotary element (26) having a first rotation axis (28) and a second rotary element (30) having a second rotation axis (32), and a link element (34) pivoted on one end to the first rotary element (26) and on the other end to the at least one second contact (22, 24), wherein the first and the second rotation axes (28, 32) are arranged substantially perpendicular to each other, wherein the second rotation axis (32) is arranged essentially in parallel to the translational movement direction (36) of the at least one second contact (22, 24), wherein the first and the second rotary elements (26, 30) engage such that a rotation of the second rotary element (30) is transmitted to the first rotary element (26), and wherein the link element (34) transmits a rotational movement of the first rotary element (26) to a translational movement of the at least one second contact (22, 24).

A circuit interrupter includes: a first fixed terminal including a first fixed contact; a movable contactor which is formed as a separate part from the first fixed terminal and includes a first movable contact; a holding unit configured to hold the movable contactor so that the first movable contact is connected to the first fixed contact; and a squib configured to generate gas by combustion. In the circuit interrupter, pressure of the gas generated by the squib causes movement of the movable contactor in a direction away from the first fixed terminal so that the first movable contact is separated from the first fixed contact.

Disclosed is a relay device including a stator having first and second stationary contact points spaced apart from each other; a movable element provided so as to be movable in a first direction toward the stator and in a second direction away from the stator, the movable element being electrically connected with the stator by making contact with the first and second stationary contact points; and an actuator for moving the movable element in the first or second direction, wherein the movable element includes: a first movable part having a first contact surface formed thereon, which can make contact with the first stationary contact point; and a second movable part having second and third contact surfaces formed thereon, which can make contact with the second stationary contact point, wherein the second and third contact surfaces make contact with the second stationary contact point at different positions.

The contact device includes a movable contact that comes into contact with a first fixed terminal by moving a moving body to one side in one direction, and comes away from the first fixed terminal by moving the moving body to the other side in the one direction. The movable contact includes a first contact unit that comes into contact with the first fixed terminal. The first fixed terminal also includes a first surface with which the first contact unit comes into contact from a direction intersecting with one direction. The first contact unit includes a first contact piece on the first contact unit side that comes into contact with the first surface in a stretched manner in a state of being pressed to one side in one direction by the moving body.

An electrical contact system includes a pair of static contacts, a rotatable member disposed between the static contacts and rotatable about a rotation axis between a first position and a second position, and a movable contact mounted on and rotated with the rotatable member. A pair of opposite ends of the movable contact are in electrical contact with the static contacts when the rotatable member is rotated to the first position. The ends of the movable contact are separated from the static contacts when the rotatable member is rotated to the second position. The movable contact has a Z-shape and is slidably mounted on the rotatable member. The movable contact slides under a pushing force from a first static contact of the static contacts toward a second static contact of the static contacts to be in electrical contact with the second static contact.

An exemplary contactor assembly includes, among other things, a movable contact that transitions relative to a plurality of stationary contacts back and forth between a closed position and an open position. The movable contact contacts at least one of the stationary contacts with an initial contact surface and then a final contact surface when the movable contact is in the closed position. An exemplary contactor transitioning method includes, among other things, changing areas of contact between a movable contact and a plurality of stationary contacts when the movable contact is in a closed position with the plurality of stationary contacts.

An electromagnetic relay includes: an exciting coil; a movable core driven by the exciting coil; a movable contactor having a first movable contact and a second movable contact to operate with the movable core; a first fixed terminal having a first fixed contact with which the first movable contact abuts when the movable contactor is moved by energizing the exciting coil; and a second fixed terminal having a second fixed contact with which the second movable contact abuts when the movable contactor is moved by energizing the exciting coil. An inclination angle of a central axis of the first movable contact with respect to a central axis of the first fixed contact and an inclination angle of a central axis of the second movable contact with respect to a central axis of the second fixed contact are inclined in opposite directions from each other.

The present invention relates to the field of heavy duty relays with electromagnetic, pneumatic or other mechanical means of actuation. In particular the invention relates to a relay or contactor which addresses the problem of contact welds formed during actuation of the relay. In one aspect the invention provides an electrical relay comprising a contact bridge portion carrying at least two spaced apart electrical contact surfaces, a terminal portion comprising at least two corresponding spaced apart electrical contact surfaces, and an actuating mechanism for selectively bringing the electrical contact surfaces of the bridge portion into electrical contact.

Disclosed is a relay device including a stator having first and second stationary contact points spaced apart from each other; a movable element provided so as to be movable in a first direction toward the stator and in a second direction away from the stator, the movable element being electrically connected with the stator by making contact with the first and second stationary contact points; and an actuator for moving the movable element in the first or second direction, wherein the movable element includes: a first movable part having a first contact surface formed thereon, which can make contact with the first stationary contact point; and a second movable part having second and third contact surfaces formed thereon, which can make contact with the second stationary contact point, wherein the second and third contact surfaces make contact with the second stationary contact point at different positions.