A power contactor having an electromagnetic driving unit, a rotating armature, and a reset element. The rotating armature is switched by the electromagnetic driving unit between an open position and a closed position. The reset element exerts a reset force onto the rotating armature when in the closed position.

A power contactor having an electromagnetic driving unit, a rotating armature, and a reset element. The rotating armature is switched by the electromagnetic driving unit between an open position and a closed position. The reset element exerts a reset force onto the rotating armature when in the closed position.

An electrical switch includes a coil assembly, an armature rotatable about an axis of rotation and driven by the coil assembly, and a contact assembly having a contact spring directly connected to the armature. The contact spring is a spring pack including a plurality of springs. At least one of the springs of the spring pack is formed of a first material and at least another one of the springs of the spring pack is formed of a second material different from the first material.

An electrical switch includes a coil assembly, an armature rotatable about an axis of rotation and driven by the coil assembly, and a contact assembly having a contact spring directly connected to the armature. The contact spring is a spring pack including a plurality of springs. At least one of the springs of the spring pack is formed of a first material and at least another one of the springs of the spring pack is formed of a second material different from the first material.

Provided is a relay, with which an insulation distance can be maintained while preventing an increase in size of the relay. The relay has a coil, an iron core, an armature which moves by excitation of the coil, a contact terminal which displaces in accordance with the movement of the armature, a pressing member which is attached to the armature and which presses the contact terminal, and a base block having a wall arranged between a first area in which the coil and the iron core are arranged, and a second area in which the contact terminal and the pressing member are arranged, wherein the armature comprises a first portion arranged in the first area and a second portion extending from the first portion and arranged in the second area, and the pressing member is affixed to the second portion.

Provided is a terminal of a relay constituted by an assembly of a plurality of members, with which plastic deformation can be prevented, and a relay including the terminal. A movable terminal of the relay is constituted by an assembly of a first member having two legs, and a second member having a contact, wherein the second member has at least three holes, the first member has at least three protrusions which are individually inserted into and crimped in the at least three holes, and an intermediate hole among the at least three holes is arranged so as to be positioned on the side opposite the contact with respect to a straight line that contacts the edges of the outermost holes on the side close to the contact.

Provided is a terminal of a relay constituted by an assembly of a plurality of members, with which plastic deformation can be prevented, and a relay including the terminal. A movable terminal of the relay is constituted by an assembly of a first member having two legs, and a second member having a contact, wherein the second member has at least three holes, the first member has at least three protrusions which are individually inserted into and crimped in the at least three holes, and an intermediate hole among the at least three holes is arranged so as to be positioned on the side opposite the contact with respect to a straight line that contacts the edges of the outermost holes on the side close to the contact.

Examples of a relay are described, with which the characteristics of the relay such as the operating voltage can be prevented from changing, even when impact is applied to the relay. The relay has an electromagnet, an armature which pivots about a pivot axis by excitation of the electromagnet, a pressing member attached to a tip of the armature, and a terminal which is pressed by the pressing member, wherein the armature comprises a plate-like insertion part which extends in a direction parallel to the pivot axis, and a guide groove provided in the insertion part and which extends in a direction parallel to the pivot axis, and the pressing member comprises an enclosure which is open on one end, and a part of the enclosure is inserted into the guide groove.

Examples of a relay are described, with which the characteristics of the relay such as the operating voltage can be prevented from changing, even when impact is applied to the relay. The relay has an electromagnet, an armature which pivots about a pivot axis by excitation of the electromagnet, a pressing member attached to a tip of the armature, and a terminal which is pressed by the pressing member, wherein the armature comprises a plate-like insertion part which extends in a direction parallel to the pivot axis, and a guide groove provided in the insertion part and which extends in a direction parallel to the pivot axis, and the pressing member comprises an enclosure which is open on one end, and a part of the enclosure is inserted into the guide groove.

A contactor is provided in the present utility model, the contactor comprising: a housing; a static iron core, a movable iron core, and a contact holder positioned in the housing, wherein the static iron core is fixed to the housing, the movable iron core and the static iron core are disposed opposite to each other, and the contact holder is fixed to the movable iron core; and a built-in switch positioned in the housing, wherein the built-in switch comprises a static contact piece fixed to the housing and a moving contact piece fixed to the contact holder, and the contact holder is configured to drive the moving contact piece to move so as to switch an on/off state of the built-in switch.. The contactor of the present utility model has high expandability and improves the convenience of connecting to an external circuit module.