ELECTRICAL CONTACT AND CONNECTOR TERMINAL FORMED WITH IT

Description

[0001] The invention relates to an electrical contact for a conductor terminal block having an insulating housing, wherein the contact has a connection section for connecting an electrical conductor, and the connection section has a spring-loaded clamping connection with at least one clamping spring for connecting the electrical conductor by means of spring force. The invention further relates to a conductor terminal block with at least one such electrical contact.

[0002] Such an electrical contact is known, for example, from DE 197 35 835 A1. A conductor connection contact element is known from DE 20 2015 104 961 U1. An electrical connector with a direct plug contact is known from EP 2 770 582 A1.

[0003] The invention is based on the objective of providing an improved electrical contact that is even more universally applicable. Furthermore, a corresponding conductor connection terminal is to be provided.

[0004] This task is solved for an electrical contact of the type mentioned above by both of the following features a), b): a) the contact has at least three first support points for supporting and holding the electrical conductor clamped to the spring-clamp terminal in a first spatial plane, b) the contact has at least three or at least four second support points for supporting and holding the electrical conductor clamped to the spring-clamp terminal in a second spatial plane that is orthogonal to the first spatial plane.

[0005] Each of the aforementioned measures improves the securing of the electrical conductor at the contact, ensuring that the conductor is better fixed and held in a rigid position even before the contact is inserted into the insulating housing of the terminal block. In conventional terminal blocks, this securing of the electrical conductor is often achieved by parts of the insulating housing, such as a conductor entry channel or similar elements. Consequently, such terminal blocks and their contacts are not well-suited for being fitted with the electrical conductor before the contact is inserted into the insulating housing.

[0006] The present invention provides an electrical contact that, on the one hand, has the advantageous properties of a spring-clamp terminal for connecting the electrical conductor, namely simple clamping of the electrical conductor without tools, permanent and secure fixation of the electrical conductor, reliable contact, and the possibility of re-release of the electrical conductor from the spring-clamp terminal. Additionally, the contact according to the invention can be used in a manner comparable to known contacts using crimp technology. In this way, a contact, and accordingly a conductor terminal, is created, for example, for a connector system, which can be wired and pre-assembled in a factory wiring process similar to crimp technology, in order to subsequently insert the contacts with the connected electrical conductors into an insulating housing.However, due to its spring-loaded clamp connection, the contact according to the invention is easier and more reliable to wire.

[0007] These advantageous properties are made possible in the electrical contact according to the invention by the improved support and retention of the electrical conductor on the electrical contact, namely by the at least three first support points that are effective in a first spatial plane, and / or the at least four second support points that are effective in a second spatial plane orthogonal thereto. The first spatial plane can, for example, be a vertical plane running parallel to the conductor insertion direction, the second spatial plane a horizontal plane running parallel to the conductor insertion direction, in each case with respect to a substantially open underside of the electrical contact.

[0008] The first support points can be located in the connecting section. Furthermore, the second support points can also be located in the connecting section.

[0009] According to an advantageous embodiment of the invention, the at least three first support points in the direction of insertion of the electrical conductor into the spring-clamp connection comprise a front first support point, a middle first support point, and a rear first support point, wherein the middle first support point is arranged behind the front first support point and in front of the rear first support point in the direction of insertion and is located on a side of an inserted and connected electrical conductor facing away from the front and rear first support points. This allows for stable three-point support of the clamped electrical conductor. In the first spatial plane, the electrical conductor is then held relatively rigidly, so that no or at least hardly any twisting movements of the electrical conductor in the first spatial plane relative to the contact are possible.The electrical conductor is thus held on one side by the middle first support point and on the opposite side by the front and rear first support points.

[0010] According to an advantageous embodiment of the invention, the spring-loaded clamp connection has a defined clamping point for clamping the electrical conductor, with the front first support point located in front of the clamping point in the conductor insertion direction and the rear first support point located behind the clamping point. This allows for particularly stable mounting of the electrical conductor and, consequently, good fixation against movements of the first spatial plane. Depending on the embodiment, the middle first support point can be arranged in front of or behind the clamping point in the conductor insertion direction.

[0011] According to an advantageous embodiment of the invention, the central first support point is located at a distance from the front first support point that differs by a maximum of 50% from the distance of the central first support point to the rear first support point. This positions the central first support point approximately midway between the front and rear first support points, ensuring that the advantageous effects of the aforementioned three-point mounting are maintained even with a certain deviation from the exact central arrangement. In a further advantageous embodiment, the central first support point can be located at a distance from the front first support point that differs by a maximum of 25% or a maximum of 10% from the distance of the central first support point to the rear first support point.

[0012] According to an advantageous embodiment of the invention, the contact has a ramp for the electrical conductor that runs obliquely to the conductor insertion direction, with the rear first support point located on the ramp. When the electrical conductor is inserted into the contact, the free end of the conductor thus comes into contact with the ramp at a sufficient insertion depth and is held by the ramp. In this way, the insertion depth of the electrical conductor is also limited. The oblique arrangement of the ramp relative to the conductor insertion direction allows for a high degree of flexibility in the use of the electrical contact for different conductor cross-sections. For example, an electrical conductor with a large cross-section comes into contact with the ramp at a shallower insertion depth than an electrical conductor with a smaller cross-section.Regardless of the cross-section, the inclined arrangement of the ramp ensures that the electrical conductor comes into contact with it in every case, thus making the rear first support point effective.

[0013] According to an advantageous embodiment of the invention, the connection section has a frame-shaped conductor entry area through which the electrical conductor is inserted into the connection section, with the front first support point being located at the frame-shaped conductor entry area. The frame-shaped conductor entry area provides a robust contact. Furthermore, it provides a defined conductor entry opening for the electrical conductor, which is easily identifiable by the user. This prevents incorrect operation of the electrical contact. In addition, the frame-shaped conductor entry area has the further function of providing the front first support point.

[0014] According to an advantageous embodiment of the invention, the contact has a spring-loaded tab projecting from the frame-shaped conductor insertion area towards the clamping point, on which the central first support point is located. In this way, the frame-shaped conductor insertion area has an additional function, namely providing the central first support point via the tab attached to the conductor insertion area. Due to its spring-loaded nature, the tab has the advantageous effect of allowing the central first support point to adapt to the cross-section of the electrical conductor being inserted.

[0015] According to an advantageous embodiment of the invention, the frame-shaped conductor entry area has two opposing first side walls, a first cover section connecting the first side walls, and a first bottom section opposite the first cover section, wherein the first side walls, the first bottom section, and the first cover section define a conductor entry opening. This creates a robust frame construction, which can, in particular, be manufactured in one piece from a sheet metal part. The spring-loaded tab can, for example, project from the first cover section toward the clamping point.

[0016] According to an advantageous embodiment of the invention, one or both first side walls each have at least one spring tongue, freestanding from the first base section and the first cover section, which forms a clamping point for clamping an electrical conductor by means of spring force. In this way, an integrated clamping spring, which can also be provided with a single sheet metal part, can be incorporated. If both first side walls have the aforementioned spring tongue, the electrical conductor can be clamped symmetrically from both sides. A clamping edge is then located at the free ends of the spring tongues, which is preferably oriented perpendicular to the conductor insertion direction. However, it is also conceivable that the clamping edges are oriented obliquely to the conductor insertion direction, so that the electrical conductor is guided in one direction during insertion, for example, towards the ramp.

[0017] The first floor section can be formed by a single section of material that has bent from one first side wall towards the other first side wall.

[0018] According to an advantageous embodiment of the invention, the first base section is formed by two material sections, each of which is bent from one first side wall towards the other first side wall, with a dividing joint formed between the two material sections. This has the advantage that the two material sections can be comparatively short, so that they have only slight spring properties and can thus provide a stable first support point.

[0019] Regardless of whether the first base section is formed by one or two material sections, each material section can be bent from the first side wall around a bending axis parallel to the conductor insertion direction. In this case, the respective material section runs along the underside of the contact. It is also advantageous to bend the respective material section from the side wall around a bending axis perpendicular to the conductor insertion direction. For example, before bending, the respective material section can project from the first side wall in a direction opposite to the conductor insertion direction. After bending, the respective material section then forms a front base wall on the contact.

[0020] According to an advantageous embodiment of the invention, the spring-loaded clamping connection has two converging spring tongues as clamping springs, between whose free ends the clamping point is formed. This allows for symmetrical clamping of the electrical conductor between the spring tongues. The spring tongues can have a clamping edge at their free end, which enables particularly secure clamping of the electrical conductor.

[0021] If the contact has only one spring tongue, it can only have three secondary support points for supporting and holding the electrical conductor connected to the spring-clamp terminal in the second spatial plane. One secondary support point is then provided by the single spring tongue. This allows the conductor to be supported on the inside of a first side wall of the contact. If two spring tongues are present, each can provide a secondary support point.

[0022] According to an advantageous embodiment of the invention, the at least four secondary support points in the conductor insertion direction comprise two front secondary support points and two rear secondary support points, with the front secondary support points being arranged in front of the rear secondary support points in the conductor insertion direction. This allows for stable four-point support of the clamped electrical conductor. In the second spatial plane, the electrical conductor is then held relatively rigidly, so that no or at least hardly any twisting movements of the electrical conductor in the second spatial plane relative to the contact are possible. The rear secondary support points can, for example, be arranged behind the clamping point.

[0023] The front and rear second support points each form a pair of interacting support points arranged on opposite sides of the first spatial plane. Each pair of interacting support points can be arranged, for example, mirror-symmetrically to a center plane of the conductor terminal and / or parallel to the first spatial plane. The first spatial plane can be aligned, for example, parallel to the first and / or second side walls. The first spatial plane can run between the spring tongues. The first spatial plane can form a center plane between the first and / or second side walls. With an electrical conductor clamped, the first and second spatial planes can, in particular, pass through the center axis of the electrical conductor.

[0024] According to an advantageous embodiment of the invention, the free ends of the spring tongues form the front second support points. This allows for a comparatively simple mechanical design of the electrical contact, since no further elements are required to form the front second support points.

[0025] According to an advantageous embodiment of the invention, the contact has funnel-shaped centering ramps arranged obliquely to the conductor insertion direction, on which the rear secondary support points are located. The funnel-shaped design of the centering ramps, similar to the approach ramp already described, enables reliable fixation of electrical conductors with different cross-sections. An electrical conductor with a large cross-section cannot be inserted as deeply into the funnel-shaped arrangement of the centering ramps as into electrical conductors with a smaller cross-section. However, it is ensured in any case that, regardless of its cross-section, the electrical conductor rests against the centering ramps at a sufficient insertion depth and is centered by these ramps, thus being held by the rear secondary support points.The centering ramps thus also limit the insertion depth of the electrical conductor, preferably together or in combination with the ramp.

[0026] The ramp can extend, for example, from a second cover section of the contact, which is located behind the first cover section of the contact in the conductor insertion direction, obliquely towards the clamping point. If the second cover section is still located behind the centering ramps in the conductor insertion direction, the ramp can also be located at least partially behind the centering ramps in the conductor insertion direction, or extend at least partially into the area of ​​the centering ramps, i.e., overlap with the centering ramps in the conductor insertion direction.

[0027] According to an advantageous embodiment of the invention, the electrical conductor can be clamped to the spring-loaded terminal before the contact is arranged in the insulating housing. The contact can then be inserted into the insulating housing by means of the clamped electrical conductor and secured within the housing by means of its fixing element. This allows for factory wiring of the electrical contact analogous to crimping. The individual contacts can be wired and pre-assembled outside the insulating housing before being inserted. Due to the stable retention of the electrical conductor within the electrical contact, the conductor can thus be used as an aid for inserting the assembly into the insulating housing.

[0028] According to an advantageous embodiment of the invention, the contact is designed as a plug-in contact, which has a plugging section for pluggable connection with a mating plug-in contact. This has the advantage that the contact can also be used as a plug-in contact in a connector.

[0029] According to an advantageous embodiment of the invention, the electrical contact with some or all of the aforementioned elements is formed in one piece from a sheet metal part, e.g. by means of a stamping-bending process. This allows for simple and cost-effective manufacturing of the contact.

[0030] The aforementioned spring tongues can have actuating tongues that project from the end faces of the spring tongues facing the first cover section, with the actuating tongues bent out of the plane of the adjacent spring tongue section, e.g., adjacent to the free end of the spring tongue. The actuating tongues can be bent outwards, i.e., bent away from the clamping point. The actuating tongues form a funnel shape that creates a receiving funnel for an actuating element.

[0031] The aforementioned task can also be solved by a conductor terminal block with an insulating housing and one or more electrical contacts of the type described above, to each of which an electrical conductor is clamped. This also allows the previously described advantages to be realized. If the contact(s) are designed as plug-in contacts, the conductor terminal block can also be configured as a connector.

[0032] According to an advantageous embodiment of the invention, the insulating housing has an actuating opening located in the area of ​​the actuating tongues, through which the spring-loaded clamping connection can be opened by means of an actuating tool. Opening the spring-loaded clamping connection moves the spring tongues apart, so that a clamped electrical conductor can be removed without force. It is also possible to use the electrical contact in such a way that it is already inserted into the insulating housing when the electrical conductor is to be clamped. With a sufficiently stiff electrical conductor, this can be done by simply inserting the conductor in the direction of insertion. Additionally, it is possible to open the clamping point through the actuating opening using the actuating tool, so that the electrical conductor can be guided to the clamping point without force.This method also allows less rigid electrical conductors, such as stranded conductors, to be easily connected.

[0033] The aforementioned problem is also solved by a method for providing a conductor terminal of the type previously explained, with at least one electrical conductor connected to an electrical contact of the conductor terminal, comprising the following steps: a) Providing the insulating housing of the conductor terminal, wherein the insulating housing has one or more contact receiving chambers, each designed to receive an electrical contact, but not yet fitted with such an electrical contact; b) Connecting an electrical conductor to an electrical contact while the electrical contact is completely outside the contact receiving chamber or is loosely inserted therein in a pre-assembly position; c) Inserting the electrical contact connected to the electrical conductor through a receiving opening into the still free contact receiving chamber of the insulating housing until the electrical contact has reached a final position within the contact receiving chamber and is fixed there, in particular locked in place.

[0034] This allows for a particularly advantageous assembly of the individual parts of the conductor terminal. In particular, the electrical conductor can be connected to the electrical contact in a particularly simple and reliable manner while it is still at least partially visible, i.e., while it is not yet completely inside the contact chamber of the insulating housing. Only after the electrical conductor has been correctly attached to the electrical contact is it fully inserted into the contact chamber and fixed there.

[0035] For the purposes of the present invention, the indefinite term "a" is not to be understood as a numeral. Therefore, when, for example, reference is made to a component, this is to be interpreted as "at least one component". Where angles are specified in degrees, these refer to a circle of 360 degrees (360°).

[0036] The invention is explained in more detail below with reference to exemplary embodiments and drawings.

[0037] They show Figure 1 shows an electrical contact in perspective view, Figure 2 shows the contact according to Figure 1 in another perspective view, Figure 3 the contact according to Figure 1 in side view, Figure 4 the contact according to Figure 1 in top view, Figure 5 the contact according to Figure 1 in lateral sectional view, Figure 6 the contact according to Figure 1 in side view with attached electrical conductor, Figure 7 the arrangement according to Figure 6 in top view, Figure 8 the arrangement according to Figure 6 in lateral sectional view, Figure 9 an arrangement as in Figure 6 , but with a larger cross-section of the electrical conductor, Figure 10 the arrangement according to Figure 9 in top view, Figure 11 the arrangement according to Figure 9In a side sectional view, Figure 12 shows an electrical conductor connection terminal; in a perspective view, Figure 13 shows the conductor connection terminal according to Figure 12 in perspective sectional view, Figure 14 the arrangement according to Figure 13 with contact inserted in the cutting plane, Figure 15 a conductor terminal with actuating tool arranged on it.

[0038] The one in the Figures 1 to 5 The illustrated electrical contact 1 has a connection section 3 for connecting an electrical conductor and a plug-in section 4 for pluggable connection of the contact 1 to a mating contact. Depending on the design of the contact 1, the plug-in section 4 can be configured as a male or female plug-in connection, e.g., as a socket contact, pin contact, or blade contact. In the illustrated embodiment, the plug-in section is configured as a fork contact with two forked prongs 40.

[0039] In connection section 3, contact 1 has a spring-clamp terminal to which an electrical conductor can be clamped by means of spring force. In this case, the spring-clamp terminal is formed by clamping springs in the form of two spring tongues 31 oriented at an angle to each other. The spring tongues 31 each have a clamping edge at their free end 30.

[0040] The contact 1 has a frame-shaped conductor entry area 10 in the connection section 3, through which an electrical conductor to be clamped is inserted into the connection section 3. The frame-shaped conductor entry area 10 is formed by two opposing first side walls 12, 14, a first cover section 11 connecting the first side walls 12, 14, and a first bottom section 13 opposite the first cover section 11. The first side walls 12, 14, the first bottom section 13, and the first cover section 11 define a conductor entry opening. In the illustrated embodiment, the first bottom section 13 is formed by two material sections. Each of these material sections projects from one first side wall 12, 14 and is bent towards the other first side wall 12, 14.

[0041] It is further evident that contact 1 has a resilient tab 15 that projects from the frame-shaped conductor entry area 10, in particular from the first cover section 11, towards the clamping point. The first side walls 12, 14 extend in the lower region of contact 1, opposite the tab, over connecting sections 16, 17 to a second frame-shaped area 20. The spring tongues 31 are attached to the first side walls 12, 14 and extend from them in the same direction as the tab 15 of the first cover section 11. The spring tongues are free from the connecting sections 16, 17 and the first cover section 11, and can therefore be elastically deformed freely.

[0042] In the second frame-shaped area 20, the contact 1 has second side walls 22, 24, which are connected to each other by a second cover section 21. In the conductor insertion direction L, the second side walls 22, 24 transition into the forked tongues 40. From the second cover section 21, a ramp 25 extends towards the clamping point, running obliquely to the conductor insertion direction L. On the side of the second side walls 12, 22 facing away from the second cover section 22, fixing elements 23 are also arranged, which serve to fix the contact 1 in the insulating housing of the conductor terminal. The fixing elements 23 can be designed as material tongues projecting from the respective second side wall 22, 24.

[0043] Between the spring tongues 31 and the plug-in section 4, particularly in the conductor insertion direction L and before the second cover section 21, are funnel-shaped centering ramps 18, which are also oriented obliquely to the conductor insertion direction L. The ramp 25 can extend so far against the conductor insertion direction L that it overlaps with the centering ramps 18.

[0044] The spring tongues 31 each also have an actuating tongue 32, which can be arranged adjacent to the free end 30 of the spring tongue 31 and can project upwards, i.e. from the end faces of the spring tongues 31 facing the first cover section 11. The actuating tongues 32 form a funnel shape, which forms a receiving funnel for an actuating element for opening the clamping point.

[0045] In the Figure 4 The intersection line AA simultaneously marks the first spatial plane R1. In the Figure 5The second spatial plane R2 is shown.

[0046] The Figures 6 to 8 Figure 1 shows contact 1 with a clamped electrical conductor 9, which has a small cross-section. As can be seen, the small-cross-section electrical conductor 9 is supported and held in the first spatial plane R1 (denoted by the section line EE) at three first support points 6, 7, 8. A front first support point 6, viewed in the conductor insertion direction L, is located at the first bottom section 13. A middle first support point 7 is located at the spring tab 15. A rear first support point 8 is located at the ramp 25.

[0047] In addition, four second support points 5, 30 are formed. The free ends 30 of the spring tongues 31 form two front second support points, and the centering chamfers 18 form two rear second support points 5.

[0048] The Figures 9 to 11show contact 1 with a clamped electrical conductor 9, which, compared to the Figures 6 to 8 larger cross-section. Figures 9 to 11 illustrate that the same type of support is used for the electrical conductor 9 with a larger cross-section, namely in the first spatial plane R1 (marked by the section line FF) at the three first support points 6, 7, 8, and in the second spatial plane R2 at the four second support points 5, 30.

[0049] The Figure 12Figure 1 shows a conductor terminal 2 in the form of an electrical connector with an insulating housing 50, which has a mating face 51 on one mating side, allowing the connector to be plugged into a mating connector. The insulating housing 50 already contains several contacts 1, each with an electrical conductor 9 attached to it. One contact 1 with an attached conductor 9 is shown before it is inserted into a contact receiving chamber 54 of the insulating housing 50. This contact 1 can be inserted into the contact receiving chamber 54 of the insulating housing 50 by means of the portion of the electrical conductor 9 protruding from the contact 1.

[0050] The Figure 13Figure 1 shows the connector 2 with the insulating housing 50 in a sectioned view on the left, where no contact 1 is yet inserted. A retaining element 53 arranged within the contact receiving chamber 54 is visible, which interacts with the fixing element 23 of the contact to fix the contact 1 in the contact receiving chamber 54.

[0051] The Figure 14 shows the arrangement according to Figure 13 with the contact 1 inserted in the contact chamber 54. The positive locking fixation of the contact 1 is recognizable by the overlapping of the retaining element 53 by the fixing element 23.

[0052] Based on the Figure 15An advantageous method for actuating the spring-loaded clamping connections of the contacts 1 in the insulating housing 50 is presented. The insulating housing 50 has actuating openings 52 at the locations where the actuating tongues 32 are situated on the inserted contacts 1. The actuating tongues 32 can be actuated through the actuating opening 52 by means of any tool and thus spread apart.

[0053] The Figure 15Figure 1 shows an advantageous embodiment in which an actuating tool 60, specially adapted to the insulating housing 50, is used. The actuating tool 60 has a lever-like design. It has a manual actuating area 62 and an actuating plunger 61 that can be guided through the actuating opening 52. The actuating element 60 can be hooked onto the insulating housing 50 and thus fixed in place by means of a fixing area 63, which is arranged at the end of the actuating element 60 opposite the manual actuating area 62. Now, by pressing the manual actuating area 62, the spring-loaded clamping connection can be actuated in a simple and convenient manner, i.e., the clamping point can be opened. Reference symbol list

[0054] 1 Contact 2 Conductor terminal 3 Connection section 4 Plug-in section 5, 30 Second support points 6, 7, 8 First support points 9 Electrical conductor 10 First frame-shaped area 11 First cover section 13 First bottom section 12, 14 First side walls 15 Spring tab 16, 17 Connection sections 18 Centering ramps 20 Second frame-shaped area 21 Second cover section 22, 24 Second side walls 23 Fixing element 25 Lead-in ramp 30 Free ends 31 Spring tongues 32 Actuating tongues 40 Fork tongues 50 Insulating housing 52 Actuating opening 53 Retaining element 54 Contact receiving chamber 60 Actuating element 61 Actuating plunger 62 Manual actuation area 63 Fixing area L Conductor insertion direction R1 First Second spatial plane R2

Claims

1. Electrical contact (1) for a conductor connection terminal (2) having an insulating-material housing (50), the contact (1) having a connection section (3) for connecting an electrical conductor (9), the connection section (3) having a spring-force clamping connection with at least one clamping spring for connecting the electrical conductor (9) by means of spring force, wherein: a) the contact (1) has at least three first support points (6, 7, 8) for supporting and holding the electrical conductor (9) clamped in the spring-force clamping connection in a first spatial plane (R1), characterized in that: b) the contact (1) further has at least three or at least four second support points (5, 30) for supporting and holding the electrical conductor (9) clamped in the spring-force clamping connection in a second spatial plane (R2), which is orthogonal to the first spatial plane (R1).

2. Electrical contact according to claim 1, characterized in that the at least three first support points (6, 7, 8) comprise, in the conductor insertion direction (L) of the electrical conductor (9) into the spring-force clamping connection, a front first support point (6), a middle first support point (7), and a rear first support point (8), the middle first support point (7) being arranged in the conductor insertion direction (L) behind the front first support point (6) and in front of the rear first support point (8), and being located on a side of the electrical conductor (9) facing away from the front first support point (6) and the rear first support point (8).

3. Electrical contact according to claim 2, characterized in that the spring-force clamping connection has a defined clamping point for clamping the electrical conductor (9), the front first support point (6) being located in the conductor insertion direction (L) in front of the clamping point and the rear first support point (8) behind the clamping point.

4. Electrical contact according to one of claims 2 to 3, characterized in that the middle first support point (7) has a distance from the front first support point (6) that deviates by a maximum of 50% from the distance of the middle first support point (7) to the rear first support point (8).

5. Electrical contact according to one of claims 2 to 4, characterized in that the contact (1) has a run-on slope (25) for the electrical conductor (9), which extends obliquely to the conductor insertion direction (L), the rear first support point (8) being located on the run-on slope (25).

6. Electrical contact according to one of claims 2 to 5, characterized in that the connection section (3) has a frame-shaped conductor insertion region (10) through which the electrical conductor (9) is to be inserted into the connection section (3), the front first support point (6) being located on the frame-shaped conductor insertion region (10).

7. Electrical contact according to claim 6, characterized in that the contact (1) has a resilient tab (15) protruding from the frame-shaped conductor insertion region (10) toward the clamping point, on which the middle first support point (7) is located.

8. Electrical contact according to one of claims 6 to 7, characterized in that the frame-shaped conductor insertion region (10) has two opposing first side walls (12, 14), a first top section (11) connecting the first side walls (12, 14), and a first bottom section (13) opposite the first top section (11), the first side walls (12, 14), the first bottom section (13), and the first top section (11) delimiting a conductor insertion opening.

9. Electrical contact according to claim 8, characterized in that one or both first side walls (12, 14) each have at least one spring tongue (31) freed from the first bottom section (13) and the first top section (11), which forms a clamping point for clamping an electrical conductor (9) by means of spring force.

10. Electrical contact according to one of claims 8 to 9, characterized in that the first bottom section (13) is formed by two material sections, each of the two material sections being bent from one of the first side walls (12, 14) toward the other first side wall (12, 14), a separating gap being formed between the two material sections.

11. Electrical contact according to one of the preceding claims, characterized in that the spring-force clamping connection has, as clamping springs, two spring tongues (31) tapering toward each other, a clamping point being formed between their free ends (30).

12. Electrical contact according to one of the preceding claims, characterized in that the at least four second support points (5, 30) comprise, in the conductor insertion direction (L), two front second support points (30) and two rear second support points (5), the front second support points (30) being arranged in the conductor insertion direction (L) in front of the rear second support points (5).

13. Electrical contact according to claim 12, characterized in that the free ends (30) of the spring tongues (31) form the front second support points.

14. Electrical contact according to one of claims 12 to 13, characterized in that the contact (1) has funnel-shaped centering slopes (18) oriented obliquely to the conductor insertion direction (L), the rear second support points (5) being located on these centering slopes (18).

15. Electrical contact according to one of the preceding claims, characterized in that the electrical conductor (9) can be clamped on the spring-force clamping connection before the contact (1) is arranged in the insulating-material housing (50), the contact (1) being insertable into the insulating-material housing (50) by means of the clamped electrical conductor (9) and fixable in the insulating-material housing (50) by means of its fixing element (23).

16. Electrical contact according to one of the preceding claims, characterized in that the contact (1) is designed as a plug contact having a plug section for plug-in connection to a mating plug contact.

17. Conductor connection terminal (2) with an insulating-material housing (50) and one or more electrical contacts (1) according to one of the preceding claims, each having an electrical conductor clamped thereto.

18. Conductor connection terminal according to claim 17, characterized in that the insulating-material housing (50) has, for one, several, or all electrical contacts (1), an actuating opening (52) arranged in the region of the actuating tabs (32), through which the spring-force clamping connection can be opened by means of an actuating tool (60).

19. Method for providing a conductor connection terminal according to claim 17 or 18 with at least one electrical conductor (9) connected to an electrical contact (1) of the conductor connection terminal (2), comprising the following steps: a) providing the insulating-material housing (50) of the conductor connection terminal (2), the insulating-material housing (50) having one or more contact receiving chambers (54) designed to receive one electrical contact (1) each, but not yet fitted with such an electrical contact (1), b) connecting an electrical conductor (9) to an electrical contact (1) while the electrical contact (1) is located completely outside the contact receiving chamber (54) or is loosely inserted therein in a pre-assembly position, c) inserting the electrical contact (1) connected to the electrical conductor (9) through a receiving opening into the still empty contact receiving chamber (54) of the insulating-material housing (50) until the electrical contact (1) reaches an end position within the contact receiving chamber (54) and is fixed there, in particular latched there.