It is aimed to simplify the shape of a short-circuit means. A joint connector (A) includes a housing (10), a plurality of terminal fittings (35F, 35S, 35T) provided in the housing (10) and each formed such that a plurality of tabs (37F, 37D, 7R) are coupled by a terminal base portion (36), and a short-circuit module (40) provided in the housing (10) and formed by arranging a plurality of short-circuit plates (42) side by side in a length direction of the tabs (37F, 37D, 37R). The short-circuit plate (42) is formed with a plurality of conduction holes (45) for allowing the tabs (37F, 37D, 37R) to pass therethrough in a contact state and non-contact holes (44) for allowing the tabs (37F, 37D, 37R) to pass therethrough in a non-contact state, and an arrangement of the plurality of conduction holes (45) differs among the plurality of short-circuit plates (42).

A conductor terminal with a busbar piece and a clamping spring. The clamping spring has a clamping limb which is oriented towards the busbar piece in order to form a clamping point for clamping an electric conductor between the clamping limb and the bus bar piece, a spring bracket which adjoins the clamping limb, and a contact limb, a vertical section of which extends transversely to the bus bar piece. The vertical section of the contact limb has a recess with edges which surround the bus bar piece. The bus bar piece has a contact wall which adjoins the wall surface of the contact limb vertical section extending transversely to the busbar piece. The wall surface lying on the vertical section side facing away from the clamping limb, and which is designed to support the vertical section of the contact limb on the contact wall.

A device (1) for accommodating an electrical or electronic component (400), in particular a relay socket for accommodating a relay, comprises a base body (100) with a receptacle (110) for the component (400). The device (1) also comprises at least one pair (300) of connecting terminals connected to the two electronic connections, wherein the pair (300) of connecting terminals comprises a first connecting terminal (310) for a first connecting wire and a second connecting terminal (320) for a second connecting wire. The first connecting terminal (310) is spaced apart from the receptacle (110) by a first distance in a first direction and the second connecting terminal (320) is spaced apart from the receptacle (110) by a second distance in the first direction, wherein the first distance and the second distance are different.

An assembly of a plug connector part includes: a holding frame having a frame opening for receiving a plurality of modular contact inserts on a plurality of plug-in spaces arranged alongside one another along a width direction; and at least one modular contact insert insertable into the frame opening at at least one plug-in space, an arrangement of plug openings for connecting electrical conductors being disposed on the at least one modular contact insert. The at least one modular contact insert has an arrangement of connection spaces that are assigned to the plug openings and to which at least one functional element is attachable to electrically connect two plug openings to one another.

A modular I/O device includes a terminal base with a terminal block that includes a plurality of wiring connectors. An auxiliary wiring device includes a plurality of auxiliary wiring connectors and is selectively physically connectable to the terminal base in an operative position and selectively physically removable from the terminal base. The terminal block includes a receiver and the auxiliary wiring device includes a body including at least one mounting tab that projects outwardly from the body and that is located in the receiver. The receiver includes a projecting lip about which the auxiliary wiring device is pivotable relative to the receiver on a pivot axis. The terminal base includes at least one catch and the auxiliary wiring device further includes at least one latch arm that is adapted to engage the catch when the auxiliary wiring device is physically connected to said terminal base in its operative position.

A contact and busbar assembly forms a bus system on electronics housings arranged in an array direction. Each housing includes a circuit board. The contact and busbar assembly includes multiple bus plugs having first connecting contacts for electrically contacting the circuit boards and second connecting contacts in the form of socket contacts for electrically contacting power rail strips. A plurality of power rail strips electrically connects the second connecting contacts of adjacent electronics housings. A first power rail strip electrically connects the bus plugs of two directly adjacent electronics housings and a second power rail strip of greater length electrically connects two spaced electronics housings. An electronics housing assembly is provided having multiple electronics housings arranged against one another in the array direction and a contact and busbar assembly as set forth above. A method for removing or replacing an electronics housing arranged between two adjacent electronics housings of such an electronics housing assembly is also provided.

A switching device having a housing, with a cover that can pivot about a rotational axis, and a securing device for carrier rail mounting. The cover has at least one coupling contact for an electrical and/or signal-type contact connection with at least one engageable switching device. A closing or releasing of the contact connection occurs with a pivoting of the cover. A locking or unlocking of the securing device occurs with a pivoting of the cover. The securing device has a spring-elastic clipping element shaped on the housing, for force-locking securing to a carrier rail end face, and has a sliding element, which is mounted such that it can slide in a linear manner within the housing and is coupled to the cover, for interlocking securing to the carrier rail end face opposite the clipping element.

A conductor terminal with a busbar piece and a clamping spring. The clamping spring has a clamping limb which is oriented towards the busbar piece in order to form a clamping point for clamping an electric conductor between the clamping limb and the bus bar piece, a spring bracket which adjoins the clamping limb, and a contact limb, a vertical section of which extends transversely to the bus bar piece. The vertical section of the contact limb has a recess with edges which surround the bus bar piece. The bus bar piece has a contact wall which adjoins the wall surface of the contact limb vertical section extending transversely to the busbar piece. The wall surface lying on the vertical section side facing away from the clamping limb, and which is designed to support the vertical section of the contact limb on the contact wall by means of the wall surface facing away from the clamping limb.

A feed-through terminal block module includes first and second electrical terminals, a first current bar, and a second current bar, the terminals and current bars in a terminal housing. The first current bar permanently electrically connects the first and second terminals. The first current bar includes a first contact portion of the module. The second current bar includes a second contact portion of the module and a third contact portion of the module. A removable contact plug is inserted into the housing to selectively electrically connect the first and second contact portions. Removable bridge pins or a bridging current bar electrically connects the third contact portions of adjacent modules when modules are placed side-by-side to form a terminal block.

A modular electrical bus system for a valve manifold has a communication module, a valve driver module, and a plurality of I/O modules each having a plurality of I/O fittings being both electrically and mechanically connectable together via a bridge member connecting adjacent modules. The bridge member has a housing with an interior for housing electronic components for memory storage or Wi-fi reception and transmission that is operably connected to a complementary electrical fitting constructed to be connected to an electrical fitting of a module of said electrical fieldbus system without adding extra length to said bank of modules of said electrical fieldbus system.