Abstract: The disclosure relates to a holding frame, into which plug connector modules can be inserted, wherein the holding frame comprises or consists of two halves that can be articulated to each other, a first half and a second half, wherein the holding frame has at least one first locking element and wherein the second half of the holding frame has, at an end face thereof, a pin and the locking element has at least one recess, wherein the pin can engage in the at least one recess and the halves can thereby be fastened in an open position or in a closed position.

Abstract: A plug-in connector has a plug-in connector housing, an insulating body and a contact. The plug-in connector is rectangular and is designed to be mounted on a device wall or on another surface. The contact of the plug-in connector is also rectangular and in the form of a single piece. A two-part insulating body which is placed in the plug-in connector housing from two directions is necessary for assembling the plug-in connector.

Abstract: The disclosure relates to a protective cap for an attachment housing. The protective cap has a basic shape which is substantially box-shaped. The protective cap has a first locking device on the narrow faces of the box-shaped basic shape, and the protective cap has a second locking device on at least one broad face of the box-shaped basic shape. The disclosure likewise relates to a system comprising such a protective cap and a matching attachment housing. Advantageously, the locking devices of the protective cap can be used with and without a locking bracket of an attachment housing.

Abstract: The disclosure relates to a holding frame into which plug connector modules can be inserted, wherein the holding frame comprises or consists of two halves connectable to one another, wherein the halves can be aligned in at least two positions relative to one another, wherein the holding frame has at least one fixing means and wherein the halves can be fixed in at least two positions relative to one another via the at least one fixing means. At least one press projection or lug, preferably, however, two press projections or lugs is/are molded on the first half. The second half has two recesses on one end face or two recesses on two end faces respectively, and the press projection or lug can be pressed into the two recesses or the press projections or lugs can be pressed into the two recesses respectively, as a result of which the halves can be fixed relative to one another in at least two positions, an open position and a closed position.

Abstract: A contact carrier can be inserted into the contact carrier and removed again by a slight elastic deformation of a holding element, a detent engagement action of a detent of the holding element with a further detent of a main body of the contact carrier can be released. A particularly simple mounting and dismounting of a contact element in the contact carrier is realized. The contact carrier is constructed such that the holding element and the contact element can be inserted into the main body from an attachment side which is situated opposite a plug-in side.

Abstract: The disclosure relates to a holding frame in which plug connector modules can be inserted. The holding frame comprises two interconnectable halves which can be aligned relative to each other in two positions. The holding frames comprise at least one fixing means and the halves can be fixed to each other by means of the at least one fixing means in at least two positions. The fixing means are at least one locking element and/or at least one press fit lug which engages in at least one cavity.

Abstract: The disclosure relates to a holding frame into which plug-in connector modules are insertable, wherein the holding frame comprises or consists of two interconnectable halves, a first half and a second half, wherein the holding frame has at least one locking element, and wherein the halves are alignable and fixable in at least two positions with respect to each other via the locking element. The locking element is fastened under prestress to the halves and the prestress causes the exertion of a force which fixes the holding frame either in an open position or in a closed position.

Abstract: The disclosure relates to a holding frame, into which plug-in connector modules can be inserted, wherein the holding frame is composed of two halves connected to each other, a first half and a second half, wherein, for the purpose of opening the holding frame, the halves can be brought into an angular position less than 180°. The holding frame has at least one spring element that exerts a restoring force upon the halves, as a result of which lateral parts of the holding frame are brought back into a substantially parallel orientation in relation to each other.

Abstract: A plug-in system comprises a docking device which has a first plug-in module that is bidirectionally displaceable parallel to a connection direction and at least one spring arm, as well as a second plug-in module which can be connected to the first plug-in module in the connection direction. The plug-in system can be transferred between a separated state, in which the second plug-in module and the docking device are separated from each other and the spring arm limits a displacement of the first plug-in module at least in the connection direction, and a docked state in which the first plug-in module and the second plug-in module are connected to each other and the first plug-in module assumes a position which can be reached by a displacement of the first plug-in module which exceeds the limit in the connection direction.

Abstract: The disclosure relates to a holding frame for holding plug connector modules, in particular for installation in plug connector casings and/or for screwing onto wall surfaces. In order to allow improved handling and more reliable populating and assembly of the holding frame comprising frame halves, it is proposed that the holding frame in the plug-in state has a stop for stopping the plug connector module on insertion into the holding frame, wherein the stop is so designed that when a plug connector module is stopped in the plug-in state, holding frame holding devices and plug module holding devices engage in each other in the holding state.

Abstract: An electrical contact element with an integrated sensor is provided. The contact element has a groove, at least a portion of which extends on a plug-in side of the contact element. An optical fiber is provided in the groove. The optical fiber is designed in such a way as to be suitable as a sensor for measuring the temperature or the air humidity.

Abstract: An electrical contact element with an integrated sensor is provided. The contact element has a groove, at least a portion of which extends on a plug-in side of the contact element. An optical fiber is provided in the groove. The optical fiber is designed in such a way as to be suitable as a sensor for measuring the temperature or the air humidity.

Abstract: The disclosure relates to a holding frame, into which plug connector modules can be inserted, wherein the holding frame comprises or consists of two halves articulated to each other, a first half and a second half, wherein the holding frame has at least one locking element, wherein the locking element is formed from a flat component, which overlaps the two halves at least in some regions, wherein the locking element has at least one end locking hook and wherein one half of the holding frame has at least one cut-out, in which the locking hook of the locking element can engage, whereby the holding frame can be fixed in an open position. The halves are fixed in relation to each other at an open angular position. Such a holding frame can be conveniently fixed in an open position for fitting with suitable plug connector modules.

Abstract: The disclosure relates to a plug connector for plug connector modules and for installation in plug connector housings or for screwing to wall surfaces. The holding frame is composed of two opposite sides in which there are provided recesses for receiving the plug connector modules. The holding frame is composed of four interconnected parts. A first side part and a second, opposite side part form the sides of the holding frame. A first head part and a second head part are provided on the ends of the side parts. The side parts are connected to one another via the head parts. Furthermore, the head parts have fastening ends by way of which the holding frame can be fastened in a plug connector housing or to a wall surface.

Abstract: A latching mechanism for plug contacts in insulating housings of plug connectors is provided. The latching mechanism which, in addition to the known arrangement of a latching arm and latching shoulder, provides a latching lug on the latching shoulder. As a result of the latching lug, the latching mechanism is prevented from becoming released under a mechanical load. The latching lug enables additional latching of the latching arm against the plug contact.

Abstract: The disclosure relates to a modular plug connector which has a plug comprising a plurality of plug modules and has a mating plug comprising a plurality of mating plug modules, in which each plug module forms a plug module pair with a mating plug module, wherein the plug and the mating plug can assume an interconnected state and wherein at least one of the plug module pairs has at least one locking device, which can assume a locking state in the interconnected state of the plug and the mating plug, in which locking state the locking device prevents the plug module and the mating plug module of said plug module pair from separating from each other.

Abstract: Provided a holding frame for a plug connector with a good heat resistance and a high mechanical robustness and to enable a protective earthing during installation in a metallic plug connector housing, yet at the same time guarantee a convenient serviceability, in particular during replacement of individual modules. To achieve this aim, the manufacture of the holding frame at least partially from resilient sheet metal is proposed. Due to the resilient properties of the sheet metal, it is possible to insert or remove modules with very little effort. The sheet metal can be bent and/or folded in certain regions and can thereby be strengthened in targeted regions, in order to achieve a particularly advantageous combination of holding and actuating forces.

Abstract: The disclosure relates to a modular plug connector comprising a metal housing and an insulating holding frame received therein. At least one plug connector module is received in the holding frame, comprises a metallic or at least electrically conductive material, and is electrically insulated from the housing by the holding frame. Furthermore, an earthing device, which bridges the holding frame and permits an electrical contact between the plug connector module and the metal housing, is provided on the plug connector module. This allows different plug connector modules to be held in the holding frame insulated from the housing, and at the same time others to be held in electrical contact with the housing.

Abstract: The invention relates to a contact carrier (1) for holding contact elements and for bringing into contact with a corresponding contact carrier. The contact carrier (1), which is made of an insulating material, has a plurality of cavities (4) in order to hold the contact elements, which cavities extend in a plugging direction through the entire contact carrier (1) and a retaining region (3) of the contact carrier and a plugging region (2) of the contact carrier. According to the invention, the contact carrier (1) has an insertion bevel (8), which insertion bevel makes it easier to bring the contact carrier (1) into contact with a corresponding contact carrier. The invention relates to improvements in the plugging region in order to avoid incorrect plugging of two contact carriers, in particular a resting of the contact carriers during the plugging process.

Abstract: Provided is a plug for use as a disconnector for current transformers. Two types of short circuits are provided in the plug. A first short circuit is used for diverting overvoltages by short-circuiting the electrical contacts in the plug. A second short circuit is provided for short-circuiting electrical contacts in the plug when the plug is not contacted. The short circuits are designed in such a way that the first short circuit is used as a fuse when the second short circuit fails.