A spring-force clamping connection, including a busbar, which spans a busbar plane and has a through-opening, and including a clamping spring a separate sleeve having a sleeve wall being present, which extends from an inlet to an outlet of the sleeve in a sleeve longitudinal direction. The separate sleeve being inserted into the through-opening in the sleeve longitudinal direction transversely to the busbar plane. The sleeve wall having an outer circumferential contour, which, in the state of the sleeve inserted into the through-opening, abuts an inner circumferential contour of the through-opening, and the sleeve being connected to the busbar.

A connecting terminal for connecting at least two electric conductors to one another, wherein the connecting terminal has a housing in which at least a first conductor guide passage for guiding a first electric conductor and at least a second conductor guide passage for guiding a second electric conductor are formed.

A contact spring assembly for the self-locking contacting of a wire (28) of an electrical conductor includes a support wall (24) made of a conductive material and a contact spring (10). The contact spring (10) has a base leg (20) held stationary with respect to the support wall and a clamping leg (18) which, together with the support wall (24), forms an insertion receptacle (26) for the wire (28) of the conductor. The insertion receptacle is tapered in the insertion direction. The base leg (20) of the contact spring transitions into a holding leg (22 22), which is inserted into a receiving shaft (30) stationary with respect to the support wall (24) and has two detent projections (38), which protrude perpendicularly to the base leg in opposite directions and are locked to mating contours (34) on the walls of the receiving shaft.

The invention relates to a transformer terminal comprising: an insulating housing which has an integrally designed main body (1) and a cover (2) which can be detachably mounted on the main body (1); a mounting device which is formed on the insulating housing and is designed to mount the insulating housing on a transformer, a first electrical conductor connection (4) for a first potential, comprising a first electrical connection assembly (8) having a first bus bar (8a); a first spring-force clamping connection which is formed on first bus bar (8a) and is designed to clamp a first conductor for electrical connection to the first bus bar (8a); and a first winding wire connection (8c) for electrically connecting a first winding wire of the transformer to the bus bar (8a), the first winding wire connection (8c) being integrally moulded on the first bus bar (8a); and a second electrical conductor connection (5) for a second potential, which is different from the first potential, the first and second electrical conductor connections (4, 5) being electrically insulated from one another, the second electrical conductor connection comprising a second electrical connection assembly (9) tuning a second bus bar (9a); a second spring-force clamping connection (9b) which is formed on the second bus bar (9a) and is designed to clamp a second conductor for electrical connection to the second bus bar (9a); and a second winding wire connection (9c) for electrically connecting a second winding wire (9c) of the transformer to the bus bar (9a), the second winding wire connection (9c) being integrally moulded on the second bus bar (9a). The first electrical connection assembly (8) is arranged in a first installation space which is formed on the main body (1) in the region of a lateral face and has a first mounting opening toward said lateral face, and the second electrical connection assembly (9) is arranged in a second installation space (10b) which is formed on the main body (1) in the region of an opposite lateral face and has a second mounting opening (19b) toward said lateral face, the second installation space being separated front the first installation space.

A contacting device for bringing an electrical conductor into contact with an electrical conductor path includes a housing having a first opening for inserting the electrical conductor into a cavity in the housing and a second opening for inserting the electrical conductor path into the cavity in the housing, and a bow collector including a first portion, which is arranged in the cavity in the housing, and a second portion. The bow collector is designed such that the electrical conductor can be pressed against the electrical conductor path by the first portion of the bow collector after the electrical conductor and electrical conductor path have been inserted into the cavity in the housing, as a result of which the electrical conductor is retained on the electrical conductor path in a clamping position so as to be in contact with the electrical conductor path.

A main body portion is to be mounted to a housing by being inserted into the housing. An electrical wire insertion portion is provided in an end portion of the main body portion, defines an insertion opening into which a leading end portion of an electrical wire is to be inserted, and is configured to restrict movement of the electrical wire in a direction perpendicular to the direction of insertion of the electrical wire into the insertion opening. A conductive body connection portion is provided in the main body portion and is configured to be electrically connected to a conductive body of the electrical wire inserted into the insertion opening. A partner connection portion is provided in the main body portion and is configured to be electrically connected to a partner terminal.

Electric switchboard terminal block having a body (310) extending in a lengthwise longitudinal direction (X-X), widthwise transverse direction (Y-Y) and heightwise vertical direction (Z-Z), and comprising a front face (310a) and lateral flanks (310b) situated opposite each other in the longitudinal direction (X-X), each flank having a first seat (320) for housing a label (30), and comprising a recess (330) with a substantially trapezium-like vertical cross-section arranged in a central position in the longitudinal direction (X-X) and having a greater base open on the front face (310a) of the terminal block and smaller base open towards the inside thereof, said recess (330) having at least one further seat (331;333) for housing at least one additional label (30).

A system includes a housing and a contact portion. The housing includes a first portion and a second portion, the first portion interlocking with the second portion so as to enclose a first volume and form a first wire opening within a first end of the housing and a second wire opening within a second end of the housing. The contact portion is disposed within the first volume and includes a first wire receiving portion, a first flexing beam extending from a first surface of the first wire receiving portion towards a second surface of the first wire receiving portion, a second wire receiving portion, a second flexing beam extending from a first surface of the second wire receiving portion towards a second surface of the second wire receiving portion, and a common wire stop disposed between the first wire receiving portion and the second wire receiving portion.

Disclosed is a fast plug connector for use with copper wire, including an integrally-formed plastic-molded connector housing. The housing includes at least two terminal receiving slots juxtaposed inside the housing. The terminal receiving slots is embedded with engaging terminals having barbed pieces mounted at both tail ends thereof and twisted elastic sheets mounted at both head ends thereof. The upper end located at the left side and the right side of the head of the connector housing is mounted with fastening clamps, and a lower end located at the left side and the right side of the head of the connector housing is mounted with fastening holes that are respectively corresponding to the fastening clamps. The invention provides an electric connection using fast plug electrical connector that can be readily adapted for copper wires.

A conductor connection terminal with a conductor terminal connection arranged in a housing that has a first end face designed as conductor insertion side, with at least one conductor insertion opening, and a second end face, which lies opposite the first end face, a first side face and a second side face, which lies opposite the first side face. The two side faces connect the first and the second end face to each other, and a bottom face and a top face which lies opposite the bottom face and which connects the two end faces and the two side faces to each other. A first form-fit element and a second form-fit element, spaced apart from the first form-fit element, are arranged at least on the first side face, wherein the two form-fit elements have two contours which differ from each other and which are designed to complement each other.