Terminal module and conductor connection terminal formed therewith

Abstract

Terminal module (11, 12) for forming a modular conductor terminal (1) formed from several terminal modules (11, 12) joined together, wherein the terminal module (11, 12) has a housing section (21, 22), at least one busbar section (31, 32) arranged in the housing section (21, 22) and one or more spring-clamp terminals arranged in the housing section (21, 22) for connecting electrical conductors by means of spring clamping, wherein the terminal module (11, 12) has at least one first connection opening (24) on a first housing side (25) of its housing section (21, 22) and at least one second connection opening (27) on the second housing side (26) of the housing section (21, 22) facing diametrically opposite the first housing side (25), through which a connection is made by means of a busbar section (31, 32) of an adjacent, connected to it connected terminal module (11, 12) connection contact (34) of the busbar section (31,32) of the terminal module (11, 12) can be electrically contacted.

Description

[0001] The invention relates to a terminal module for forming a modular conductor connection terminal made up of several terminal modules joined together. The invention also relates to a modular conductor connection terminal made up of several terminal modules of the aforementioned type plugged together.

[0002] With such terminal modules, for example, a modular conductor connection terminal can be created in the form of a freely configurable distribution terminal block.

[0003] DE 10 2020 122 136 A1 discloses a distribution terminal consisting of a feed-in element and a distribution element plugged together with it.

[0004] The invention is based on the object of providing a further improved conductor connection terminal and a terminal module designed therefor.

[0005] This object is achieved by a terminal module for forming a modular conductor connection terminal formed from a plurality of terminal modules joined together, wherein the terminal module has a housing section, at least one busbar section arranged in the housing section and one or more spring-loaded terminal connections arranged in the housing section for connecting electrical conductors by means of spring-loaded clamping, wherein the terminal module has at least one first connection opening on a first housing side of its housing section and at least one second connection opening on the second housing side of the housing section diametrically opposite the first housing side, through which the busbar section of the terminal module can be electrically contacted by means of a connection contact connected to a busbar section of an adjacent terminal module plugged onto it.With such a terminal module, conductor terminals can be constructed entirely modularly and thus freely configured according to the user's requirements. In particular, the conductor terminal formed from several terminal modules can be flexibly configured by the manufacturer or end user with regard to its connection options. The number of terminal modules to be combined to form a conductor terminal can be freely selected. This allows the conductor terminal to be optimally adapted to the specific application.

[0006] In particular, a system can be provided with differently designed terminal modules, e.g., a feed module configured for connecting large-cross-section electrical conductors, via which electrical signals can be fed into the conductor connection terminal, and a distribution module configured for connecting small-cross-section electrical conductors whose conductor cross-section is significantly smaller than the conductor cross-section of large-cross-section electrical conductors. A distribution terminal block can advantageously be formed with such a feed module and one or more distribution modules connected to it.

[0007] On the manufacturing side, advantages arise from the use of identical parts in the distribution modules, as well as reduced inventory requirements for different variants of distribution terminal blocks, as was necessary with non-modular distribution terminal blocks according to the prior art. Advantageously, the distribution terminal block according to the invention can be provided with full compatibility with conventional distribution terminal blocks in terms of electrical connection values. In particular, the full rated current fed into the busbar arrangement via the feed-in module can be passed through to the last distribution module.

[0008] A distribution terminal block is used to distribute an electrical signal or electrical energy fed into the distribution terminal block via an electrical line to several electrical lines also arranged on the distribution terminal block, which lines generally have a smaller cross-section than the electrical line supplying the signal or electrical energy. In the distribution terminal block according to the invention, the supplying electrical line is connected to the feed-in module, and the small-cross-section electrical conductors carrying this supplied electrical energy or signal are connected to spring-loaded terminal connections on the distribution modules. The feed-in module can be plugged into the first distribution module of the distribution block in the same way that the distribution modules can be plugged together. The same plug-in connection technology can be used.

[0009] The feed-in module can, in particular, have only a first spring-loaded terminal connection. The distribution modules can be identical or different in design. A distribution module can, for example, have one spring-loaded terminal connection or two spring-loaded terminal connections arranged symmetrically to a center plane of the distribution module. A distribution module can also have more than two spring-loaded terminal connections. For example, one, two, or more spring-loaded terminal connections can be present next to one another in a distribution module in the direction in which the distribution modules are arranged. In particular, the system can comprise distribution modules with housing sections of different widths in the direction in which they are arranged. It is also conceivable for the system to contain only one type of distribution module, all of which are identical in design.

[0010] A spring-loaded terminal connection can, for example, have a clamping spring or be designed as such a clamping spring. The clamping spring can, for example, be suspended from the busbar section of the respective module, i.e., the feed-in module or the distribution module, e.g., in an opening in the busbar section. The busbar section of a distribution module can also have a type of clamping cage for accommodating one or more clamping springs of the spring-loaded terminal connections or be formed integrally with such a clamping cage.

[0011] A distribution terminal block, for example, is characterized by a block-like, essentially prismatic housing, unlike other types of conductor terminals. On one conductor connection side of the housing, the housing shape may be slightly different from the purely prismatic form, e.g., a trapezoidal shape in side view.

[0012] In particular, the first and second connection openings of a housing section can be aligned with one another or at least partially overlapping in the direction of the terminal modules' alignment. In this way, when adjacent terminal modules are plugged into one another, the connection contact can be electrically connected to the busbar sections of both terminal modules and extend through the first connection opening of one terminal module and the immediately adjacent second connection opening of the other terminal module. In this way, in principle, any number of terminal modules can be aligned side by side in a alignment direction and connected mechanically and electrically to one another via connection contacts.

[0013] According to an advantageous embodiment of the invention, the terminal module has at least one first connecting contact designed as a counterpart to a first contact section of the at least one connection contact, with which the first contact section of the connection contact of an adjacent terminal module can be plugged together in the manner of a plug connection, wherein the first connecting contact is connected to the busbar section of its terminal module. In this way, the terminal modules can be easily plugged together, similar to electrical connectors, with the electrical contact between the busbar sections being established automatically upon plugging together.

[0014] The connection contact can either be formed integrally with the busbar section of a terminal module or be designed as a separate component that is only used when needed. If the connection contact is formed integrally with the busbar section, the terminal module is characterized by at least one connection contact protruding from the housing section on the first housing side of its housing section. If the connection contact is designed as a separate component, this connection contact naturally only protrudes from the housing section when it is attached there.

[0015] The use of a connection contact designed as a separate component has the advantage that this connection contact can be appropriately dimensioned for the current to be conducted. Such a connection contact is simple and cost-effective to manufacture. A flexible connection in the form of a plug-in connection can compensate for minor movements in the mechanical system. For example, different terminal modules in a series arrangement of a large number of terminal modules can be connected to one another using differently dimensioned connection contacts, for example by using a larger-cross-section connection contact for high currents, e.g., from the feed-in module, and smaller-cross-section connection contacts for lower currents.

[0016] According to an advantageous embodiment of the invention, the terminal module has at least one second connecting contact designed as a counterpart to a second contact section of the at least one connecting contact, with which the second contact section of the connecting contact of the terminal module can be plugged together in the manner of a plug-in connection, wherein the second connecting contact is connected to the busbar section of its terminal module. In this embodiment, the terminal module is particularly suitable for connecting contacts that are designed as separate components. The connecting contact can thus be connected to adjacent terminal modules on both sides, i.e. at the first and second contact sections, in the manner of a plug-in connector.

[0017] According to an advantageous embodiment of the invention, the first and / or second contact section of the at least one connecting contact is designed as a contact lug or contact blade. Such a contact lug is suitable for transmitting large currents with low contact resistance. Furthermore, such a connecting contact can be manufactured easily and cost-effectively, particularly using conventional manufacturing processes.

[0018] According to an advantageous embodiment of the invention, the first and / or second connecting contact is formed integrally with the busbar section of the respective terminal module. This simplifies the manufacture of the terminal modules and their assembly, making them more cost-effective. Furthermore, such a one-piece design can further improve the current-carrying capacity and minimize contact resistance.

[0019] The first and / or the second connecting contact can be formed, for example, as a surface section of the busbar section of the terminal module.

[0020] According to an advantageous embodiment of the invention, a contact spring is arranged on the first and / or second connecting contact, by means of which a connecting contact plugged into the connecting contact can be pressed against the connecting contact. Such a contact spring can establish a secure contact and, in particular, generate a sufficient contact force.

[0021] The contact spring can be an additional spring in addition to the clamping springs of the spring-loaded terminal connections, specifically designed to establish contact between the connection contact and the first and / or second connecting contact. Alternatively, a clamping spring of a distribution module can be used as a contact spring for pressing the connection contact against the first and / or second connecting contact, which also functions as a clamping spring of a spring-loaded terminal connection of the distribution module.

[0022] According to an advantageous embodiment of the invention, the contact spring has a first spring leg, a spring arc adjoining the first spring leg, and a second spring leg adjoining the spring arc, wherein the first and / or second connecting contact is arranged outside the area surrounded by the first and second spring legs. For example, the contact spring can be arranged between the first and second connecting contacts and press the respective contact section of the connecting contact against the respective, associated connecting contact by means of compressive force. In this way, the contact spring can be supported with one spring leg on the first contact section of a connecting contact and with the other spring leg on the second contact section of another connecting contact. The contact spring can be permanently attached to the first and / or second connecting contact, e.g.as a pre-tensioned spring clamped to it by means of its spring force.

[0023] According to an advantageous embodiment of the invention, the contact spring is designed to be mirror-symmetrical to a plane of symmetry extending between the first spring leg and the second spring leg. This allows for a compact contact spring with high spring force.

[0024] According to an advantageous embodiment of the invention, the terminal contact is formed integrally with the first or second connecting contact. This simplifies the manufacture of the terminal modules and their assembly, making them more cost-effective. Furthermore, such a one-piece design can further improve the current-carrying capacity and minimize contact resistance. Safety is also improved by the one-piece design, as these elements cannot be accidentally separated from one another.

[0025] According to an advantageous embodiment of the invention, the connection contact is designed as an S-shaped contact unit. Such an S-shaped contact unit can be easily integrated into the structure of a conductor connection terminal plugged together from several terminal modules. The S-shaped contact unit can in particular be formed such that the first contact section of the connection contact runs in a first spatial plane and the second contact section of the connection contact runs in a second spatial plane spaced from the first spatial plane, wherein the first contact section is connected to the second contact section via a connecting section, wherein the connecting section forms a shoulder of the S-shaped contact unit formed thereby.

[0026] The aforementioned object is also achieved by a modular conductor terminal comprising a plurality of interconnected terminal modules of the type described above, wherein the housing sections of the terminal modules form a housing of the conductor terminal, and wherein the busbar section of one terminal module is connected to the busbar section of an adjacent terminal module via a plug-in connection, thereby forming a busbar arrangement of the conductor terminal. This also allows the previously described advantages to be realized.

[0027] The conductor connection terminal can, for example, be designed in the form of a distribution terminal block which has a housing with a plurality of conductor insertion openings and spring-loaded terminal connections arranged in the housing and accessible via the conductor insertion openings for connecting electrical conductors, wherein at least one first spring-loaded terminal connection is designed for connecting large-cross-section electrical conductors, via which electrical signals can be fed into the conductor connection terminal, and a plurality of second spring-loaded terminal connections are provided which are designed for connecting small-cross-section electrical conductors whose conductor cross-section is significantly smaller than the conductor cross-section of large-cross-section electrical conductors, wherein the first and second spring-loaded terminal connections are electrically conductively connected to one another via a busbar arrangement.The conductor terminal can be of modular construction, in that the conductor terminal has at least one feed module containing the at least one first spring-loaded terminal connection, and several distribution modules plugged together to form a distribution block, each of which contains at least one second spring-loaded terminal connection. The feed module and each distribution module each have their own housing section, with the housing of the conductor terminal being formed by the housing sections of the feed module and the plugged-together distribution modules. The terminal modules described above can be used as the feed module and / or distribution modules.

[0028] According to an advantageous embodiment of the invention, the at least one connection contact extends through the at least one first connection opening of a terminal module and through the at least one second connection opening of an adjacent terminal module. In this way, all terminal modules of the conductor connection terminal can be electrically connected to one another by connecting adjacent terminal modules via at least one connection contact.

[0029] According to an advantageous embodiment of the invention, the first and / or second contact section of the at least one connection contact is arranged substantially parallel to a conductor insertion direction of the electrical conductors into the conductor connection terminal, in which the electrical conductors can be inserted through conductor insertion openings of the conductor connection terminal. In this way, a compact plug-in connection between the terminal modules can be realized with the connection contact, in particular by means of vertically arranged S-shaped contact units.

[0030] According to an advantageous embodiment of the invention, at least two of the adjacent terminal modules plugged together are connected to one another by at least two connection contacts, in particular symmetrically arranged connection contacts. By at least two such electrical connections by means of the connection contacts, the current-carrying capacity of the busbar arrangement formed from the individual busbar sections can be increased. In addition, redundancy in the electrical contact between adjacent terminal modules is created, which improves the reliability and safety of the conductor connection terminal. The connection contacts can, in particular, be arranged symmetrically in such a way that they are arranged mirror-symmetrically to a center plane of the conductor connection terminal, which runs in the direction of assembly.The at least two connection contacts can protrude through the same first and / or second connection opening in the housing sections, or through respective separate first and / or second connection openings.

[0031] In summary, the invention can achieve the following advantages, among others: - Free configurability of a conductor connection terminal, - Increased current carrying capacity of the busbar arrangement through additional jumpers, - Production of the individual components using conventional manufacturing processes, - Simple and logical joining and plugging together of the distribution modules to form the distribution block and plugging together with the feed-in module to form the complete distribution terminal block.

[0032] For the purposes of the present invention, the indefinite term "a" is not to be understood as a numerical term. Therefore, if, for example, a component is mentioned, this is to be interpreted as "at least one component." Angles expressed in degrees refer to a circle of 360 degrees (360°).

[0033] The invention is explained in more detail below using exemplary embodiments and drawings.

[0034] It shows Fig. 1 a modular conductor connection terminal in the form of a distribution terminal block in perspective view, Fig. 2 the busbar arrangement of the conductor connection terminal according to Fig. 1 in a perspective view, Fig. 3 shows a further embodiment of a busbar arrangement of a conductor connection terminal in a perspective view, Fig. 4 a distribution block of the conductor connection terminal according to Fig. 1 with a cover plate in perspective view.

[0035] The Fig. 1 shows a conductor connection terminal 1 in the form of a distribution terminal block. The conductor connection terminal 1 has a modular design with several terminal modules 11, 12, namely a feed-in module 11 and several distribution modules 12. The terminal modules 11, 12 are arranged in a row in a direction A. The distribution modules 12 are plugged together to form a distribution block. The distribution block is plugged together with the feed-in module 11. The feed-in module 11 has a housing section 21. The distribution modules 12 each have a housing section 22. The plugged-together housing sections 21, 22 of the aforementioned modules form a block-shaped housing 2 of the conductor connection terminal 1.

[0036] It can also be seen that the housing section 21 has a relatively large conductor insertion opening L1 for receiving a large-cross-section electrical conductor. The housing sections 22 of the distribution modules 12 each have two conductor insertion openings L2, which are smaller than the conductor insertion opening L1 and are each designed to receive a small-cross-section electrical conductor. The conductor insertion openings L1, L2 are arranged on a conductor insertion side 23 of the housing 2. Each of the conductor insertion openings L1, L2 is assigned to a spring-loaded terminal arranged in the respective housing section 21, 22. The electrical conductors are inserted into the housing 2 on the conductor insertion side 23 in a conductor insertion direction L and guided to the spring-loaded terminals, where they are clamped in place by spring force.

[0037] The housing sections 21, 22 each have an associated actuation opening 5 for each spring-loaded terminal connection, through which the spring-loaded terminal connection can be actuated by means of a tool or an actuation element fixed to the conductor terminal, e.g., an actuation push-button. In addition, a busbar section is arranged in each of the housing sections 21, 22, wherein Fig. 1 only the busbar section 32 of the last distribution module 32 of the series arrangement is visible.

[0038] The housing sections 21, 22 each have a first housing side 25 and a second housing side 26 diametrically opposite thereto. Thus, in the case of directly adjacent, plugged-in terminal modules 11, 12, a first housing side 25 of one terminal module always abuts the second housing side 26 of an adjacent terminal module. The first housing side 25 has at least one first connection opening 24, and the second housing side 26 has at least one second connection opening 27 (in Fig. 4 recognizable).

[0039] The Fig. 2 illustrates an advantageous embodiment of a busbar arrangement 3 of the conductor connection terminal according to Fig. 1. It can be seen that the busbar arrangement 3 has a busbar section 31 of the feed-in module 11 and three busbar sections 32 of the respective distribution modules 12. The busbar section 31 of the feed-in module 11 is located in Fig. 1 in the housing section 21, the busbar sections 32 are located in Fig. 1 in a respective housing section 22. On the busbar sections 31, 32, respective clamping springs 4 are arranged as spring-loaded terminal connections, by means of which the electrical conductor to be clamped can be clamped at a clamping point on the respective busbar section 31, 32.

[0040] As the Fig. As shown in Figure 2, adjacent busbar sections 31, 32 are each connected to one another by a connecting contact 34, so that the adjacent busbar sections 31, 32 are each electrically contacted with one another. The connecting contact 34 can be formed in a variety of ways. Fig. 2 shows a substantially S-shaped design of the connection contact 34. The connection contact 34 has a first contact section 81, to which a connecting section 83 adjoins. A second contact section 82 adjoins the connecting section 83. The first contact section 81 is electrically connected to a first connecting contact 33 of a busbar section 31, 32, and the second contact section 82 of the same connection contact 34 is electrically connected to a second connecting contact 35 of an adjacent busbar section 31, 32. The respective contact section 81, 82 can be pressed against the respective connecting contact 33, 35, for example, by a clamping spring 4 of a spring-loaded terminal connection, which is already present for the spring-loaded clamping of an electrical conductor.

[0041] For example, the clamping spring 4 can have a clamping leg for clamping the electrical conductor, a spring arc following the clamping leg, and a contact leg following the spring arc, which serves to support the clamping spring 4 against the clamping force applied by the clamping leg. This contact leg, which can rest against the respective contact section 81, 82 of the connecting contact 34, can be used to press this contact section toward the associated connecting contact 33, 35.

[0042] It can be seen that the busbar sections 32 of the distribution modules 12 are each connected to one another and electrically contacted by a connection contact 34 extending from one busbar section to the next. Furthermore, an electrical connection to the busbar section 31 of the feed-in module 11 is established via a connection contact 34 of the last busbar section 32. The connection contacts 34 can, for example, be formed integrally with the material of a respective busbar section 32 or, as shown, be designed as separate components.

[0043] The busbar arrangement 3 according to Fig. 3 is similar to Fig. 2, with the difference that the contact sections 81, 82 of the connection contact 34 are not pressed against the respective connecting contact 33, 35 by the clamping springs 4, but rather by an additional component in the form of a contact spring 7. Such a contact spring 7 can be arranged between the first connecting contact 33 and the second connecting contact 35 of a respective busbar section 31, 32. The contact spring 7 then presses the respective first contact section 81 of a connection contact 34 against a first connecting contact 33 and a second contact section 82 of another connection contact 34 against the second connecting contact 35 of the same busbar section 31, 32 through its respective spring legs 71, 72.Only in the case of the first and last terminal module of the series arrangement does the contact spring 7 not effect such a clamping on both sides, but merely clamps the respective contact section 81, 82 against the associated connecting contact 33, 35.

[0044] It is possible, as in the Fig. 1 that the housing section 21, 22 of a terminal module is designed to be partially open on the first housing side 25, i.e., without a housing wall that largely closes the housing section 21, 22. This provides a relatively large first connection opening 24. In this way, installation space is saved, so that the conductor connection terminal can be designed relatively compactly. In order to close the open first housing side 25 of the last terminal module 12, a cover plate 8 can be arranged there and coupled to the housing module 22, as in Fig. 4. For example, the end plate 8 can have protruding pins 80 that are shaped similarly to the connection contacts 34 protruding from a housing module 22. The pins 80 can then be connected, similarly to the connection contacts 34, via the clamping springs 7 to the connecting contacts 33 of the busbar section 32 of the last distribution module 12.

[0045] As the Fig.As also illustrated in Figure 4, adjacent terminal modules 11, 12 can also be electrically connected to one another via more than one connection contact 34 each, for example, two connection contacts 34 each. These connection contacts 34 can be guided on the second housing side 26 through their own, specifically assigned second connection openings 27. Several connection contacts 34 can also be guided through a common second connection opening 27. For example, the first contact section 81 of the respective connection contact 34 can protrude from the housing section 12, 22. List of reference symbols 1 conductor connection terminal 2 housings 3 Busbar arrangement 4 clamping spring 5 Operating opening 7 Contact spring 8 End plate 11 Feed-in module 12 distribution module 21 Housing section of the feed-in module 22 Housing section of the distribution module 23 Conductor entry side 24 first connection opening 25 first side of the housing 26 second housing side 27 second connection opening 31 Busbar section of the feed-in module 32 Busbar section of the distribution module 33 first connection contact 34 connection contact 35 second connection contact 70 spring bows 71 first spring leg 72 second spring leg 80 cones 81 first contact section 82 second contact section 83 Connecting section of the terminal contact A Arranging direction L Conductor insertion direction L1 conductor entry opening L2 conductor entry opening QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] DE 10 2020 122 136 A1

[0003]

Claims

[1] Terminal module (11, 12) for forming a modular conductor connection terminal (1) formed from a plurality of terminal modules (11, 12) joined to one another, wherein the terminal module (11, 12) has a housing section (21, 22), at least one busbar section (31, 32) arranged in the housing section (21, 22) and one or more spring-loaded terminal connections arranged in the housing section (21, 22) for connecting electrical conductors by means of spring-loaded clamping, wherein the terminal module (11, 12) has at least one first connection opening (24) on a first housing side (25) of its housing section (21, 22) and at least one second connection opening (27) on the second housing side (26) of the housing section (21, 22) facing diametrically away from the first housing side (25), through which adjacent terminal module (11, 12) connected to the connecting contact (34) of the busbar section (31,32) of the terminal module (11, 12) can be electrically contacted., [2] Terminal module according to claim 1, characterized by that the terminal module (11, 12) has at least one first connecting contact (33) designed as a counterpart to a first contact section (81) of the at least one connection contact (34), with which the first contact section (81) of the connection contact (34) of an adjacent terminal module (11, 12) can be plugged together in the manner of a plug connection, wherein the first connecting contact (33) is connected to the busbar section (31, 32) of the terminal module (11, 12). [3] Terminal module according to one of the preceding claims, characterized bythat the terminal module (11, 12) has at least one second connecting contact (35) designed as a counterpart to a second contact section (82) of the at least one connection contact (34), with which the second contact section of the connection contact (34) of the terminal module (11, 12) can be plugged together in the manner of a plug connection, wherein the second connecting contact (35) is connected to the busbar section (31, 32) of the terminal module (11, 12). [4] Terminal module according to one of claims 2 to 3, characterized by that a contact spring (7) is arranged on the first and / or second connecting contact (35), by means of which a connection contact (34) plugged onto the connecting contact (35) can be pressed against the connecting contact (35). [5] Terminal module according to one of claims 2 to 4, characterized bythat the first and / or the second contact section (81, 82) of the at least one connection contact (34) is designed as a contact lug or contact blade. [6] Terminal module according to one of the preceding claims, characterized by that the connection contact (34) is formed as a separate component which can be plugged together with the first and / or second connecting contact (33, 35) if required. [7] Terminal module according to one of the preceding claims, characterized by that the connection contact (34) is designed as an S-shaped contact unit. [8] Terminal module according to claim 7, characterized bythat the first contact section (81) of the connection contact (34) runs in a first spatial plane and the second contact section (82) of the connection contact (34) runs in a second spatial plane spaced from the first spatial plane, wherein the first contact section (81) is connected to the second contact section (82) via a connecting section (83), wherein the connecting section (83) forms a shoulder of the S-shaped contact unit formed thereby. [9] Modular conductor connection terminal (1) made up of a plurality of terminal modules (11, 12) plugged together according to one of the preceding claims, wherein the housing sections (21, 22) of the terminal modules (11, 12) form a housing (2) of the conductor connection terminal (1) and wherein the busbar section (31, 32) of a terminal module (11, 12) is connected to the busbar section (31, 32) of an adjacent terminal module (11, 12) via at least one connection contact (34), whereby a busbar arrangement (3) of the conductor connection terminal is formed. [10] Conductor connection terminal according to claim 9, characterized by that the at least one connection contact (34) extends through the first connection opening (24) of a terminal module (11, 12) and through the second connection opening (27) of an adjacent terminal module (11, 12). [11] Conductor terminal according to one of claims 9 to 10, characterized bythat the first and / or the second contact section (81, 82) of the at least one connection contact (34) is arranged substantially parallel to a conductor insertion direction (L) of the electrical conductors into the conductor connection terminal (1), in which the electrical conductors can be inserted through conductor insertion openings (L1, L2) of the conductor connection terminal (1). [12] Conductor connection terminal according to one of claims 9 to 11, characterized by that at least two of the terminal modules (11, 12) plugged together are connected to one another by at least two connection contacts (34), in particular symmetrically arranged connection contacts (34).

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