Assembly of a connector part with a mounting frame and modular contact inserts that can be attached to it.

Abstract

Assembly of a connector part (1), comprising a retaining frame (3) having a frame opening (30) for receiving a plurality of modular contact inserts (4) at a plurality of slots (300) arranged in a row along a width direction (B), and at least one modular contact insert (4) which can be inserted into the frame opening (30) at at least one slot (300) and which has an arrangement of plug-in openings (41) for connecting electrical conductors (110) to the at least one modular contact insert (4), wherein the at least one modular contact insert (4) has an arrangement of connection points (432) which are associated with the plug-in openings (41) and to which at least one functional element (44, 440) for electrically connecting two plug-in openings (41) can be attached, and wherein the plug-in openings (41) are arranged along at least a first row (410,411) and the connection points (432) are arranged along at least one second row (430, 431) extending parallel to the at least one first row (410, 411), characterized in that the at least one modular contact insert (4) has a housing body (42) on which the at least one first row (410, 411) of plug-in openings (41) and the at least one second row (430, 431) of connection points (432) are arranged, wherein the at least one second row (430, 431) of connection points (432) is set back from the housing body (42) relative to the at least one first row (410, 411) of plug-in openings (41).

Description

[0001] The invention relates to an assembly of a connector part according to the preamble of claim 1. The invention further relates to a connector part with such an assembly.

[0002] Such an assembly comprises a mounting frame having a frame opening for receiving a plurality of modular contact inserts at a plurality of slots arranged along a width direction, and at least one modular contact insert that can be inserted into the frame opening at at least one slot and has an arrangement of plug-in openings for connecting electrical conductors to the at least one modular contact insert. The at least one modular contact insert has an arrangement of connection points associated with the plug-in openings, to which at least one functional element for electrically connecting two plug-in openings can be attached. The plug-in openings are arranged along at least a first row, and the connection points are arranged along at least a second row extending parallel to the at least one first row.

[0003] These types of mounting frames are used for the modular installation of contact inserts on connectors. One or more contact inserts can be arranged on such a mounting frame so that, together with the mounting frame, they can be inserted into the housing of a connector part and connected to the housing. In this way, contact inserts can be combined modularly and arranged in or on a connector part via the mounting frame.

[0004] Such contact inserts can, for example, have one or more electrical contacts. In this case, the contact inserts are connected on the one hand to electrical conductors that are fed into a connector and on the other hand form plug contacts via which the connector can be inserted to engage with a mating connector part for electrical contact.

[0005] Such modular contact inserts offer the advantage of flexible combinationability and thus variable usability of connectors.

[0006] Connector parts with a retaining frame for modular contact inserts are known, for example, from DE 10 2012 110 907 A1 or DE 20 2012 103 360 U1.

[0007] In a retaining frame known from DE 10 2012 110 907 A1, it is provided that a second retaining frame part can be attached to a first retaining frame part, which has recesses for receiving protruding elements of contact inserts, in order to lock protruding elements located in the recesses and thus to secure them to the retaining frame.

[0008] In a modular connector known from EP 1 353 412 B1, modules can, for example, contain switching elements that perform a signal-regulating or signal-controlling function within a module. Several modules can be connected in series and attached to a mounting frame.

[0009] A socket insert is known from EP 0 079 016 A1. This socket insert has a single contact socket carrier. Several insertion openings are formed on this contact socket carrier, into which contact pins of a contact element can be inserted. In addition to this contact socket carrier, several contact elements are provided.

[0010] The object of the present invention is to provide an assembly of a connector part which makes it possible to provide further functions for the modular switching of the contact insert on a modular contact insert.

[0011] This problem is solved by an object having the features of claim 1.

[0012] Accordingly, the at least one modular contact insert has a housing body on which the at least one first row of plug-in openings and the at least one second row of connection points are arranged, wherein the at least one second row of connection points is set back from the at least one first row of plug-in openings on the housing body.

[0013] Electrical conductors can be plugged into the plug-in openings of a modular contact insert to connect them electrically. Because the plug-in openings are assigned connection points to which functional elements, such as those for bridging potential distribution, can be connected, the plug-in openings can be variably interconnected. By attaching a functional element for electrically connecting connection points to which different plug-in openings are assigned, plug-in openings can be electrically connected, optionally providing an additional electrical function.

[0014] The functional elements that can be connected to the terminals can include, for example, a contact bridge, a disconnector, an electrical fuse, or a diode. A contact bridge serves to electrically short-circuit terminals and thus the corresponding plug openings, bringing the plug openings to the same electrical potential. A disconnector serves to switchably connect two plug openings. A disconnector can be opened from a closed position, whereby in the closed position the plug openings corresponding to the terminals are electrically connected, and in the open position the plug openings are separated from each other.An electrical fuse serves to connect two plug openings by placing the fuse in between, so that current flows between the plug openings via the fuse. A diode element functionally connects the plug openings via a diode.

[0015] In one embodiment, each plug opening is assigned exactly one connection point. Plug openings can thus be electrically connected to each other via the connection points assigned to the different plug openings, for example via a contact bridge, which electrically connects the connection points and, consequently, the plug openings assigned to the connection points to the same potential (so-called potential distribution).

[0016] Each connection point can be implemented, for example, by an opening in a current bar into which a contact bridge or other functional element with a connecting pin can be inserted. A functional element can have two or more connecting pins. A contact bridge can, for example, be designed in a comb shape for insertion into multiple connection points.

[0017] According to the invention, the plug-in openings for connecting the electrical conductors are arranged along one or more rows on a housing body of the modular contact insert. Furthermore, the connection points are also arranged along one or more rows, with the rows of connection points extending parallel to the rows of plug-in openings. Thus, the modular contact insert comprises rows of plug-in openings for connecting electrical conductors on the one hand and rows of connection points for connecting functional elements on the other.

[0018] In one configuration, the rows can be extended transversely to the width direction along which the slots of the holding frame are arranged.

[0019] In one embodiment, one or more rows of connection points form a recess on the housing body of the contact insert, which is, for example, recessed into the housing body relative to the rows of plug-in openings. Such a recess is formed on the housing body and serves to receive the functional elements, preferably in such a way that at least some functional elements, when inserted into the recess, do not protrude beyond the housing body and are thus at least largely contained within the recess.

[0020] In a specific embodiment, the modular contact insert has two parallel rows of plug openings, each with an associated row of connection points. These rows of connection points can be located between the rows of plug openings (viewed along the width). The rows of connection points assigned to the different rows of plug openings are thus in close spatial proximity between the rows of plug openings, which allows for the easy attachment of functional elements to the rows of connection points and, for example, also makes it possible to connect plug openings from different rows via these connection points.

[0021] The rows of connection points together form, for example, a shaft on the housing body of the contact insert, into which functional elements can be inserted.

[0022] The mounting frame has several slots arranged in a row along its width. Each slot is designed to hold a contact insert, so the spacing of the slots corresponds to the spacing of the contact inserts. In one embodiment, a contact insert, which may have multiple rows of slots and corresponding rows of connection points, can also have a width twice the width of a slot. When such a contact insert is attached to the mounting frame, it occupies the space of two adjacent slots and is held in place by two adjacent slots on the mounting frame.

[0023] It is also conceivable and possible, in principle, to use a contact insert with an even greater width, for example the width of three slots or even more slots.

[0024] The mounting frame allows contact inserts to be modularly combined to create a mating face on a connector part that can be plugged into a corresponding mating face on a mating connector part. For this purpose, one or more contact inserts can each have a pluggable section with electrical contact elements that can be plugged into the mating connector part.

[0025] It is conceivable that all contact inserts have a plug-in section with contact elements arranged on it. However, it is also conceivable and possible that one or more contact inserts do not have a plug-in section and that, via the plug-in openings and the connection points associated with the plug-in openings, (only) an electrical connection – by using suitable functional elements at the connection points – of electrical conductors to the contact insert can be provided.

[0026] The openings for connecting the electrical conductors are formed, for example, on one side of the housing of the contact insert, while the plug-in section is formed on the other side of the housing, for example, as a plug for insertion into a mating connector or as a socket for receiving a plug from the mating connector. The connection points can be located on either the first side, the second side, or both sides.

[0027] In a first embodiment, the connection points are arranged on the same side as the plug-in slots for connecting the electrical conductors. In this case, electrical conductors and functional elements for switching the electrical conductors can be connected to the contact insert on the same side. Such a configuration of the contact insert can be useful, for example, if the connector part associated with the mounting frame is to be permanently installed in a control cabinet and the side of the contact insert associated with the plug-in slots and connection points remains accessible even when the connector part is installed, so that functional elements for switching the plug-in slots can be attached and modified.

[0028] In a second embodiment, the connection points are located on the side of the plug-in section, opposite the plug-in openings on the contact insert. The functional elements are thus attached to the contact insert from the side of the plug-in section. This can be advantageous, for example, if the mounting frame is to be inserted into the housing of a connector component, such as on an electrical cable, and the mounting frame is therefore enclosed within the housing when installed, making the plug-in openings in the housing no longer readily accessible. In this case, functional elements can be connected via the side of the (externally accessible) plug-in section, which, in particular, allows for modifications to the wiring while the mounting frame is installed.

[0029] It is possible that the contact elements of the plug-in section and the connection points, as well as the plug openings, have the same pitch (viewed in the depth direction perpendicular to the width direction). However, it is also conceivable and possible that the contact elements of the plug-in section have a different pitch compared to the connection points. This allows the connection points to be arranged in such a way that, for example, standard components, such as standard contact bridges, can be used at the connection points.

[0030] The retaining frame features multiple slots offset from one another along its width to accommodate multiple contact inserts. Each slot is associated with a spring element on a frame wall, allowing contact inserts to be individually inserted into and removed from the slots. The retaining frame advantageously has a substantially rectangular shape. Frame walls form side surfaces along the longitudinal sides of the retaining frame, on which two opposing spring elements are arranged for each slot to provide locking.

[0031] In one embodiment, a connector part can have a retaining frame as described above. A plurality of modular contact inserts can be inserted into the retaining frame, at least some of which have a pluggable section with contact elements arranged on the pluggable section for contacting the mating connector part. The contact inserts can be configured with, for example, electrical, hydraulic, pneumatic, or other contacts. When the connector part is plugged into its corresponding mating connector part, contact is established between the contact inserts held in the retaining frame and the corresponding mating contacts on the mating connector part.

[0032] The underlying concept of the invention will be explained in more detail below with reference to the exemplary embodiments shown in the figures. The figures show: Fig. 1 a view of a connector part with a retaining frame and contact inserts inserted therein; Fig. 2 a view of a mounting frame with contact inserts inserted therein; Fig. 3 the order according to Fig. 2, viewed from above; Fig. 4 A view of a holding frame with a contact insert attached to it, according to an exemplary embodiment; Fig. 5 a view of the contact deployment according to Fig. 4 on an associated contact insert of a mating connector part; Fig. 6 a view of the contact deployment according to Fig. 4 on the mounting frame with a locking element attached to it; Fig. 7 a view of the contact insert of the mating connector part; Fig. 8 a view of the contact insert of the mating connector part on a holding frame of the mating connector part; Fig. 9 a view of the contact insert of the mating connector part from another side; Fig. 10 a schematic view of plug openings and connection points on a contact insert; Fig. 11 a schematic view of a contact bridge between two connection points of a contact insert; and Fig. 12 a schematic view of a separating knife between connection points of a contact insert.

[0033] Fig. Figure 1 shows a schematic view of an embodiment of a connector part 1, which has a housing 10 and a retaining frame 3 inserted into the housing 10. In this embodiment, an electrical conductor 11 leads into the housing 10, in which several electrical conductors terminating in the housing 10 can be enclosed in order to electrically contact contacts arranged on the retaining frame 3.

[0034] The connector part 1 can be connected in a plugging direction S to an associated mating connector part 2. The retaining frame 3 of the connector part 1 serves to accommodate modular contact inserts 4, as shown in an embodiment in Fig. 2 and Fig. 3 are shown. The contact inserts 4 are attached to the retaining frame 3 and have outwardly projecting plug-in sections 40 with contact elements 400 arranged thereon, which serve for plug-in connection and electrical contact with associated mating contact elements of the mating connector part 2.

[0035] As from Fig. 2 and Fig. As can be seen in Figure 3, the contact inserts 4 are modular and can have different designs. Each contact insert 4 has a housing body 42, which has insertion openings 41 on one side facing into the housing 10 of the connector part 1. Conductor wires of the cable 11 can be inserted into these openings for electrical contact. On the opposite, outward-facing side, the plug-in sections 40 with the contact elements 400 arranged thereon project from the housing body 42. These sections serve to engage the mating connector part 2.

[0036] The contact inserts 4 can differ in the shape of the plug-in sections 40 with the contact elements 400 arranged thereon, in the number of contact elements 400, or also in their basic function. For example, not only electrical contacts, but also, for example, mechanical or pneumatic contacts can be provided via the contact inserts 4.

[0037] The contact inserts 4 can be attached to a mounting frame 3 in a modular manner and in various combinations. The mounting frame 3 has frame walls 31, 32 extending parallel to each other along a width direction B, which are spaced apart from each other along a depth direction Q and between which the contact inserts 4 are accommodated. At their ends, the frame walls 31, 32 are connected to each other via wall sections 33, 34, so that a rectangular frame with an opening 30 is formed into which the contact inserts 4 can be inserted in an insertion direction E.

[0038] Along the lateral direction B, the contact inserts 4 point - in which in Fig. 2 and Fig. In the illustrated embodiment 3, the division dimension is the same, in particular the width. However, this is not mandatory, as will be described below.

[0039] On the frame walls 31, 32, recesses 310, 320 are formed in pairs opposite each other, into which the contact inserts 4 with projection elements 420, 421 can be inserted, so that when the contact inserts 4 are arranged in the holding frame 3, the contact inserts 4 with their projection elements 420, 421 each come to lie in a pair of opposite recesses 310, 320.

[0040] The recesses 310, 320 of the opposing frame walls 31, 32 have different widths A1, A2 - measured along the width direction B (see Fig. 5) In this way, a coding is created that allows a contact insert 4 to be inserted into a slot 300 created between the frame walls 31, 32 only in a predetermined position and orientation. Thus, a first, narrow projection element 420, measured along the width direction B, can be inserted into the recesses 310 on the first frame wall 31, while a second projection element 421, located on the opposite side of the housing body 42, can only be inserted into the recess 320 on the second frame wall 32 due to its width A2.

[0041] Fastening points 330, 331, 340, 341 are provided on the end-face wall parts 33, 34, which serve to fasten the retaining frame 3 to the housing 10 of the connector part 1 and, for example, enable the retaining frame 3 with contact inserts 4 arranged on it to be fixed to the housing 10 by means of suitable screw connections.

[0042] Connection devices 332, 342 are also provided on the end-face wall parts 33, 34, via which, for example, a neutral conductor (so-called PE contacting) can be connected to the retaining frame 3 and via which, when the connector part 1 is connected to the mating connector part 2, a ground connection is created between the connector part 1 and the mating connector part 2.

[0043] Fig. Figure 4 shows an embodiment of a contact insert 4 on a holding frame 3, which on the one hand has two rows 410, 411 of plug-in openings 41 for plugging in electrical conductors 110 and on the other hand has a plug-in section 40 with contact elements 400 arranged thereon for plug-in connection with an associated mating connector part 2.

[0044] As explained above, the mounting frame has 3 slots 300 into which contact inserts 4 can be inserted. In the exemplary embodiment of the contact insert 4 according to Fig. 4 The contact insert 4 has a width B2 which corresponds to twice the width B1 of a slot 300, so that the contact insert 4, in the position inserted into the retaining frame 3, occupies the space of two slots 300, as can be seen from Fig. 4 is evident.

[0045] Each slot 300 is defined by two opposing recesses 310, 320 in the side walls 31, 32 of the retaining frame 3, wherein in the Fig. In the embodiment shown in Figure 4, a spring element 311, 321 is assigned to each recess 310, 320, via which a locking connection of the contact insert 4 with the retaining frame 3 is created in the applied position.

[0046] Fig. Figure 5 shows the contact insert 4 (without the retaining frame 3) in the inserted position together with a contact insert 6 of an associated mating connector part 2. Fig. Figure 6 shows an enlarged view of the contact insert 4 on the mounting frame 3. And Fig. Figures 7 to 9 show the contact insert 6 of the mating connector part 2 on an associated retaining frame 5.

[0047] Between the rows 410, 411 of the plug-in openings 41, a functional shaft 43 in the form of two rows 430, 431 of connection points 432 for attaching functional elements 44, 440, 64 is formed on the housing body 42 of the contact insert 4, as can be seen from Fig. 4 in conjunction with the schematic view according to Fig. As can be seen in Figure 10. Each plug-in opening 41 of the rows 410, 411 of the plug-in openings 41 is assigned a connection point 432, which is electrically at the same potential as the respective assigned plug-in opening 41 via a current bar 412, 413. The connection points 432 enable the connection of functional elements 44, 440, 64, so that the plug-in openings 41 can be interconnected and electrically functionally linked to each other.

[0048] At the in Fig. In the arrangement shown in Figure 4, for example, functional elements 44 in the form of so-called separating blades 44 are inserted into the functional shaft 43. The separating blades 44 connect two terminals 432 along the width direction B of opposing plug-in openings 41 in a switching manner, whereby each separating blade 44 can be opened to open the electrical connection between the plug-in openings 41, as shown schematically in Figure 4. Fig. Figure 12 shows that the plug-in openings 41 of the series 410, 411 are thus switchably connected to each other via the separating blades 44, by attaching the separating blades 44 to the connection points 432 in the form of openings on the current bars 412, 413.

[0049] At the in Fig. In the arrangement shown in Figure 6, a separating blade is replaced by a locking element 440, which connects two opposing plug openings 41A, 41B of the rows 410, 411 of the plug openings 41 via an electrical fuse. The locking element 440 is designed such that one of the plug openings 41B is covered by the housing of the locking element 440, so that an electrical conductor 110 can only be connected to the other plug opening 41A. An electrical connection is established via the locking element 440 between the plug opening 41A and the plug opening 41B and a contact element 400 of the plug section 40 associated with the plug opening 41B and electrically connected to the plug opening 41B.

[0050] The rows 430, 431 of the connection points 432 of the functional shaft 43 extend, like the rows 410, 411 of the plug-in openings 41, along the depth direction Q perpendicular to the width direction B, along which the plug-in points 300 are arranged one after the other. Because the rows 430, 431 of the connection points 432 of the functional shaft 43 are arranged between the rows 410, 411 of the plug-in openings 41, various functional elements, such as disconnectors, diode elements, fuse elements, or contact bridges, can be variably inserted into the functional shaft 43 for the electrical connection of the connection points 432 and, above them, the associated plug-in openings 41 of the rows 410, 411.

[0051] In the contact insert 4 of the mounting frame 3, the rows 430, 431 of the connection positions 432 of the function shaft 43 are arranged on the same side as the plug-in openings 41 of the rows 410, 411. The functional elements are thus attached to the function shaft 43 on the same side as the electrical conductors 110 are connected to the plug-in openings 41.

[0052] In contrast, the contact insert 6 of the mating connector part 2 has a functional shaft 63 with two rows 630, 631 of connection points 632 in the form of a shaft-shaped recess on the housing body 62 of the contact insert 6 on one side of the contact insert 6, which is associated with a plug-in section 60 with contact elements 600 of the contact insert 6 arranged thereon. In this case, the functional shaft 63 is thus formed on the side of the plug-in section 60, as can be seen from Fig. 7 and Fig. 8 is evident.

[0053] This allows, as can be seen in particular from Fig. As can be seen in Figure 7, even after installing the retaining frame 5, on which the contact extension 6 is arranged, functional elements 2 can be attached to the functional shaft 63 in a housing 20 of the mating connector part in order to connect plug openings 61 arranged in rows 610, 611 on the other side of the contact insert 6 (see Figure 7). Fig. 9) to be electrically interconnected. Each plug-in opening 61 of the series 610, 611 of plug-in openings 61 is electrically assigned a connection point 632 of the series 630, 631 of the function shaft 63, so that connection points 632 and, via these, the assigned plug-in openings 61 can be electrically connected to each other via functional elements, for example via contact bridges 64, as shown in Fig. 8 is shown, or also via other functional elements, for example in the form of diode elements, fuse elements or separators.

[0054] As this is in Fig.As shown in Figure 8 as an example, the connection points 432, 632 of the functional shaft 43, 63 can have a different pitch Q1 along the depth direction Q compared to the pitch Q2 of the contact elements 400, 600 on the plug-in section 40, 60. This makes it possible, for example, to design the functional shaft 43, 63 with the connection points 432, 632 formed therein in such a way that standard functional elements with a standard pitch, for example standard contact bridges, can be used, regardless of a specific pitch Q2 of the contact elements 400, 600.

[0055] In general, each plug opening 41, 61 is assigned to a connection point 432, 632 of the function shaft 43, 63, so that each plug opening 41, 61 can be connected to another plug opening 41, 61 via a functional element.

[0056] With regard to their arrangement on the respective mounting frames 3, 5, the contact inserts 4, 6 are functionally identical. In particular, the contact insert 6 also has projection elements 620, 621 for placement in associated recesses 510, 520 on side walls 51, 52 of the mounting frame 5, with a snap-fit ​​connection via spring elements 511, 521. The contact insert 6 also has twice the width of a slot 500 and is thus, when inserted, accommodated in two adjacent slots 500. On end-face wall parts 53, 54 of the retaining frame 5, contact devices 532, 542 are formed for electrical contact with associated contact devices 332, 342 of the retaining frame 3 when the connector parts 1, 2 are plugged into each other in order to provide a common ground potential at the connector parts 1, 2.

[0057] The connection points 432, 632 on the function shafts 43, 63 can be formed by openings in the respective associated current bars 412, 413, 612, 613, into which functional elements with connecting pins can be inserted. However, the connection points 432, 632 can also be designed differently, e.g., by spring elements or the like, to which functional elements can be connected.

[0058] The underlying idea of ​​the invention is not limited to the embodiments described above, but can in principle also be realized in completely different embodiments.

[0059] In particular, the contact inserts shown here are merely examples. Contact inserts used on such a mounting frame can, for example, have electrical, pneumatic, hydraulic, or entirely different types of contacts.

[0060] The number of slots provided on such a mounting frame can vary. It is possible, but not mandatory, that each slot on each frame wall has a separate spring element. It is also conceivable and possible that several slots share a single spring element that runs continuously along the width.

[0061] A wide variety of functional elements can be used on the functional shafts of contact inserts, including functional elements other than those mentioned here.

[0062] A contact insert of the type described here does not necessarily have to have a plug-in section with contact elements arranged on it for plug-in connection with another contact insert of a mating connector part. It is also conceivable and possible that a contact insert (merely) has plug-in openings and connection points of a functional shaft, so that conductors can be electrically connected to each other via the contact insert. Reference symbol list 1 connector part 10 cases 11 Management 110 ladders 2 mating connector part 20 cases 3 mounting frames 30 Opening 300 slots 31, 32 Frame wall 310, 320 Exclusion 311, 321 Spring element 33, 34 wall section 330, 331, 340, 341 fastening points 332, 342 Contact point 4 Modular contact inserts 40 Plug section (plug face) 400 contact elements 41, 41A, 41B Plug openings 410, 411 rows 412, 413 current bars 42 Housing bodies 420, 421 Projection element 43 Functional shaft 430, 431 rows 432 connection points (plug openings) 44 Functional element (separator blade) 440 Functional element (fuse) 5 mounting frames 50 opening 500 slots 51, 52 frame wall 510, 520 Exclusion 511, 521 Spring element 53, 54 wall section 532, 542 Contact point 6 Modular contact inserts 60 Plug section (plug face) 600 contact elements 61 plug openings 610, 611 rows 612, 613 power bars 62 Housing bodies 620, 621 Protrusion element 63 Functional shaft 630, 631 rows 632 connection points (plug openings) 64 Functional element (contact bridge) A1, A2 width B Latitude direction B1, B2 width E Direction of insertion S Plug direction Q Depth direction Q1, Q2 division

Claims

[1] Assembly of a connector part (1), comprising a retaining frame (3) having a frame opening (30) for receiving a plurality of modular contact inserts (4) at a plurality of slots (300) arranged in a row along a width direction (B), and at least one modular contact insert (4) which can be inserted into the frame opening (30) at at least one slot (300) and which has an arrangement of plug-in openings (41) for connecting electrical conductors (110) to the at least one modular contact insert (4), wherein the at least one modular contact insert (4) has an arrangement of connection points (432) which are associated with the plug-in openings (41) and to which at least one functional element (44, 440) for electrically connecting two plug-in openings (41) can be attached, and wherein the plug-in openings (41) are arranged along at least a first row (410,411) and the connecting spaces (432) are arranged along at least one parallel to the first row (410, 411), second row (430, 431), , characterized by , that the at least one modular contact insert (4) has a housing body (42) on which the at least one first row (410, 411) of plug-in openings (41) and the at least one second row (430, 431) of connection places (432) are arranged, wherein the at least one second row (430, 431) of connection places (432) is set back from the at least one first row (410, 411) of plug-in openings (41) on the housing body (42). [2] Assembly according to claim 1, characterized by , that each plug opening (41) is assigned exactly one connection point (432). [3] Assembly according to claim 1 or 2, characterized by, that at least one first row (410, 411) of plug openings (41) extends along a depth direction (Q) extending transversely to the width direction (B). [4] Assembly according to one of the preceding claims, characterized by , that the at least one modular contact insert (4) has two parallel first rows (410, 411) of plug-in openings (41), wherein each first row (410, 411) of plug-in openings (41) is assigned a second row (430, 431) of connection places (432). [5] Assembly according to claim 4, characterized by , that the second rows (430, 431) of connection places (432), viewed along the width direction (B), are arranged between the first rows (410, 411) of the plug-in openings (41). [6] Assembly according to any of the preceding claims, characterized by, that each slot (300) has a first width (B1) and the at least one modular contact insert (4) has a second width (B2) which is twice as large as the first width (B1), and that the at least one modular contact insert (4) can be inserted into two adjacent slots (300). [7] Assembly according to one of the preceding claims, characterized by , that the at least one contact insert (4) has a plug-in section (40) for plug-in connection with a mating connector part (2) and at least one contact element (400) arranged on the plug-in section (40). [8] Assembly according to claim 7, characterized by , that the plug-in section (40) is arranged on a side of the at least one modular contact insert (4) facing away from the arrangement of plug-in openings (41). [9] Assembly according to claim 7 or 8, characterized by, that the arrangement of connection points (432) is arranged on the same side of the at least one modular contact insert (4) as the arrangement of plug-in openings (41). [10] Assembly according to any one of claims 7 to 9, characterized by , that contact elements (400) arranged on the plug section (40) have a different pitch (Q2) than the arrangement of the connection points (432). [11] Assembly according to any of the preceding claims, characterized by , that at least one functional element (44, 440) is a contact bridge, a separating blade, an electrical fuse or a diode element. [12] Connector part (1) with an assembly according to one of the preceding claims, wherein the connector part (1) has a housing (10) to which the retaining frame (3) is attached.

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