A terminal block structure includes an insulative base, a conductive terminal, a toggle member and an elastic clamping piece. The insulative base has a chamber, a wire hole and an opened trough communicating with the chamber. The wire hole and the opened trough are located on the same side of the insulative base. The conductive terminal is fixed in the chamber. The toggle member has a main body, a stem and a pressing portion extended from the main body. The main body has a pivoting portion pivotally connected to the insulative base. The stem projects to outside of the insulative base from the opened trough and is movable on a lateral side of the wire hole. The elastic clamping piece is disposed in the chamber. An end of the elastic clamping piece is pressed by the pressing portion to operably open or close the wire hole.

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.

In some examples, a contact module comprising housing, middle pole, wiring unit body, wherein the middle pole and the wiring unit are disposed in the housing; the middle pole moves up and down in the housing to realize the connection or disconnection between the middle pole and the wiring unit; the wiring unit body is disposed inside the housing, and the wiring unit body is provided therein with electrically conductive part for realizing the connection between conductor wire and the wiring unit body, and a pressing part for realizing the withdrawal of the conductor wire from the electrically conductive part provided in the wiring unit body, and the conductor wire connected into the electrically conductive part can be quickly pulled out by operating the pressing part wherein the housing is provided with conductor insertion port for the conductor wire to be inserted into the electrically conductive part.

A wire-clamping connector is provided. The wire-clamping connector includes a housing and a contact element. The housing includes a through hole. The contact element is disposed in the housing, and includes a bottom plate structure and an elastic sheet body. The bottom plate structure is disposed opposite to a top wall of the housing, and includes a protruding portion that has a contact surface. A terminal portion of the elastic sheet body is fixed to the top wall, and the elastic sheet body has an acute-angular structure configured to be adjacent to the contact surface. An insertion interval is defined between the acute-angular structure and the contact surface. A wire core of a wire inserted in the through hole enters the insertion interval and is clamped together by the acute-angular structure and the contact surface, and an elastic restoring force is generated by the pressed elastic sheet body.

A poke-in terminal includes a main body, a tab terminal socket at a mating end, and a wire socket at a terminating end. The tab terminal socket includes walls forming a tab terminal receptacle configured to receive a tab terminal. Upper and lower beam contacts extend into the tab terminal receptacle to interface with the tab terminal. The wire socket includes walls forming a wire receptacle configured to receive a wire. Poke-in retention beams extend into the wire receptacle to interface with the wire when poked into the wire socket. The wire socket includes a wire release element configured to be actuated to release the poke-in retention beams from the wire.

A connection arrangement for connecting an electrical conductor includes: a housing; a busbar; a clamping spring including a clamping leg transferrable into a clamping position and into a release position; an actuator by which a compressive force is applicable to the clamping leg for transferring the clamping leg from the clamping position into the release position; a conductor connection space formed between a section of the busbar and of the clamping leg of the clamping spring; a displaceably arranged guide element in operative connection with the clamping leg of the clamping spring, the clamping leg being holdable in the release position by the guide element; and a release element, which in the release position of the clamping leg of the clamping spring is in engagement with the guide element. The release element, during insertion of the conductor to be connected into the conductor connection space, actuates by the insertion.

A conductor terminal, including an insulating housing, the insulating housing having a conductor insertion opening for inserting an electrical conductor in a conductor insertion direction, including a busbar and including a clamping spring, the clamping spring having a contact leg for contact with a part of the conductor terminal, the contact leg transitioning into a spring bend, and the spring bend transitioning into a clamping leg, the clamping leg forming a clamping point with the busbar for the electrical conductor, and including an actuating element, the actuating element being configured to open the clamping point, the actuating element being able to be transferred from an initial position into an actuating position, and the clamping point being opened in the actuating position.

A terminal block includes an insulative case, a supply-side conductive plate and a wire connecting module. The insulative case has two wire holes. The supply-side conductive plate is disposed in the insulative case. The wire connecting module is mounted on the supply-side conductive plate and includes a feed-side conductive plate, two insulative supports and two flexible clamping sheets. The feed-side conductive plate is electrically connected to the supply-side conductive plate and includes a first side wall and a second side wall opposite to each other. Each insulative support is arranged on the feed-side conductive plate. Each insulative support and the second side wall jointly form a clamping space. Each flexible clamping sheet is separately disposed on each insulative support. One end of each flexible clamping sheet is flexibly connected with the first side wall, and another end of each flexible clamping sheet is located in the clamping space.

A contact insert of a spring force connection clamp having at least one retaining frame and at least one clamp spring that is mounted in the retaining frame, wherein a spring insert that functions so as to increase the clamping force of the clamp spring is arranged at least within a region that is encompassed by a spring bow of the clamp spring, wherein the spring insert is configured as one piece with the retaining frame. A spring force connection clamp having at least one contact insert of this type is also provided.

A plug connection device for connecting a cable having at least one core to a circuit board includes a connector which can be connected to the core of the cable, and a base strip which can be connected to the circuit board The base strip includes a soldering pin which can be electrically connected to the core of the cable in a plug-in region by placing the connector onto the base strip and which can be soldered to the circuit board in a soldering region in order to produce a conductive connection. The soldering region of the soldering pin includes a plurality of contact zones such that the base strip can be connected to the circuit board in different orientations.