Abstract: Modular terminal block, in particular a multi-level terminal block, for clamping a plurality of jumper wires that can be led thereto in an orderly fashion using a comb-type structure. The comb-type structure can be put together from separate bars that have clip-on-portions and cooperate with mating clip-on portions on the terminal block such that the bars can be removed from the terminal block when no comb-type structure is needed.

Abstract: The disclosure relates to a cable holding device for mounting a cable to a housing or a wall opening. The cable holding device may have a first holding element including a first opening and a second holding element including a second opening. The first holding element and the second holding element may be configured to be lockable in a holding position. While in the holding position, the first opening and the second opening may be aligned with one other. The first holding element and the second holding element may be transferable into the holding position by a translational movement.

Abstract: The invention relates to a communication module (100) comprising a communication circuit (101), a communication interface for transferring data to an electric data line (103); and to an overvoltage protection module (105) for protecting the communication circuit (101) from an overvoltage on the electric data line (103) which is integrated in an insertable manner into the communication module (100).

Abstract: A patchboard having multiple honeycomb components, each honeycomb component having a box-shaped housing with two end surfaces and four lateral surfaces which extend between the end surfaces. Each of the end surfaces has at least one connection region, and each of the lateral surfaces has at least one connection element for connecting to another honeycomb component. Individual honeycomb components can be removed from the patchboard in that at least one respective elastic latching arm with a latching hook is arranged on at least two mutually adjacent lateral surfaces of the honeycomb components. Each of the latching arms extends in the direction of the length of each lateral surface, and at least one recess is formed at least on the lateral surfaces on which at least one latching arm is formed, the recess being used to access the latching hook of a latching arm from an end face using a tool.

Abstract: The present disclosure relates to a power supply unit having: an output for outputting an output current and an output voltage; and a protective element having a signal output path, wherein the protective element is connected downstream of the output and designed to maintain the signal output path when the output current exceeds a first amplitude threshold value and to interrupt the signal output path when the output current exceeds a second amplitude threshold value, the second amplitude threshold value being higher than the first amplitude threshold value; wherein the power supply unit is designed to reduce an amplitude of the output voltage and to increase an amplitude of the output current above the second amplitude threshold value, in order to interrupt the signal output path, when the output current exceeds the first amplitude threshold value.

Abstract: A plate holder for holding a license plate includes: a holder base having, on a first side, a contact surface, which extends along a contact plane and on which a license plate is rests in a position arranged on the plate holder; and two guide rails, which are arranged on the holder base and extend parallel to each other and between which the license plate can be slid in an insertion direction for arrangement on the contact surface, the license plate being held between the guide rails in the position arranged on the plate holder, wherein the holder base has, on a second side facing away from the contact surface, a placement surface, which extends parallel to the contact plane, is spaced apart from the contact surface in a vertical direction pointing perpendicularly to the contact plane, and can be placed on an object to arrange the plate holder.

Abstract: A plate carrier for carrying a license plate includes: a carrier body; two guide rails that are arranged on the carrier body and extend so as to be mutually parallel, and between which the license plate can be pushed in an insertion direction in order to be arranged on the plate carrier, the license plate being held between the guide rails when arranged on the plate carrier; and at least one resilient latching element that is arranged on the carrier body and that can be deformed elastically when the license plate is being arranged on the plate carrier, and that secures the license plate on the carrier body against movement in the insertion direction when the license plate is arranged on the plate carrier.

Abstract: A connection terminal for connecting at least one electrical conductor includes: a clamping element which is arranged on a receiving element so as to be able to pivot about a shaft between an open position and a clamping position, the clamping element forming, together with a contact element, a clamping point for the electrical conductor; and an actuating arm for receiving an actuating tool, a first free limb of the actuating arm being pivotally arranged on the clamping element so as to be spaced apart from the shaft thereof such that, by pivoting the actuating arm using the actuating tool, the clamping element is able to shift from the open position into the clamping position and vice versa. A second free limb of the actuating arm is movably guided over at least one cam.

Abstract: A surge arrester for the power supply of low-voltage systems, having a housing, two electrodes which are situated axially opposite one another, an arc combustion chamber formed in the interior of the housing, and a trigger aid. A spark gap is formed between the two electrodes so that an arc is produced when the spark gap between the two electrodes is triggered, the axial distance between end faces of the two electrodes being so large that the arc voltage is greater than the expected line voltage. Conversion of energy within the surge arrester is reduced by the arc combustion chamber having an inner region and at least one expansion region into which the arc can propagate after triggering. The inner region is arranged between the two electrodes and is delimited axially by the end faces of the electrodes and is delimited longitudinally by the at least one expansion region.

Abstract: An electrical plug-in connector for forming a printed circuit board connector on a printed circuit board includes: a housing body which, when in use, overlaps a printed circuit board contact side on an upper face or lower face of the printed circuit board vis-à-vis a housing portion and includes a plug-in connection side, for a mating plug-in connector, at an angle to the printed circuit board contact side; and an electrical connector element being accommodated in the housing body, which element provides, on the printed circuit board contact side, a first contact portion for contacting a conducting track of the printed circuit board and, on the plug-in connection side, a second contact portion for contacting a mating contact of the mating plug-in connector. The connector element is formed from a punched sheet-metal part such that a center of gravity of the electrical plug-in connector is arranged within the housing portion.

Abstract: A method for inputting print data for printing on a print object with a printer, having the following steps: displaying a printer selection window on an input and display device and evaluating a performed selection of a printer, selecting a print-object selection window by means of a control and evaluation unit on the basis of the evaluated selection of the printer, displaying the selected print-object selection window having at least one print object that can be printed on by the selected printer, and evaluating a performed selection of the print object, selecting and displaying an input screen by means of the control and evaluation unit on the basis of the evaluated selection of the print object, transferring print data that are input into the input screen to the printing device of the printer or, by means of a data communication interface of the printer, to an external printer.

Abstract: A photovoltaic system includes at least one string of solar modules and a system for individually disconnecting the solar modules and for safely connecting or reconnecting the disconnected solar modules to the string. At least some of the solar junction boxes are “smart” and have a safety circuit that defines an operating state and a safe state. The solar junction boxes are switched from the safe state to the operating state, i.e. are activated, by injecting a starting current.

Abstract: An assembly of a plug-in connector part includes: a holder frame for receiving at least one modular contact insert, the holder frame enclosing an opening into which at least one contact insert can be inserted; and a housing part having a receiving opening into which the holder frame is inserted in an insertion direction, and a bearing portion on which the holder frame rests in a position in which the holder frame is inserted into the receiving opening. The housing part includes a locking opening and the holder frame includes a locking unit for locking the holder frame to the housing part in the inserted position. The locking unit includes a locking element which, in a locked position, form-fittingly engages in the locking opening in the housing part.

Abstract: A method for controlling decentralized power generation plants comprises the steps of receiving control commands and/or measuring supply network parameters, processing the received control commands and/or the measured supply network parameters, generating control signals in response to the received control commands and/or the measured supply network parameters for controlling a first power inverter, transmitting the generated control signals to an inverter interface for being output to a first power inverter, adjusting plant parameters, for example the power output of the decentralized power generation plant using the first power inverter in response to the control signals received from the inverter interface. A power generation plant including a power generation plant controller for performing the method is also disclosed.

Abstract: A base strip for connection to at least one plug connector part includes a housing which has a wall portion and at least one plug-in location, into which the at least one plug connector part can be inserted; at least one contact element arranged on the wall portion of the housing for electrically contacting to the plug connector part; and at least one dome which is arranged on the wall portion, protrudes from the wall portion, and has an opening through which the at least one contact element extends in an insertion direction and in which the contact element is held. The dome has two portions which are spaced apart from one another transversely to the insertion direction and are separated from one another by a slot.

Abstract: A process control system is provided which has at least one OPC client and one OPC server which communicate via a standardized OPC interface. Furthermore the process control system has at least two redundantly operated control devices which each communicate with the OPC server by means of a coupling device. Each control device is designed to provide process variables and status information. The status information contains the current role of the respective control device, wherein the current role is either that of a main control device or an auxiliary control device. The OPC server is designed to detect the main control device in response to the status information of at least one control device, to register a list of variables generated by the OPC client at the main control device and/or to transmit to the OPC client only the process variables which have been provided by the main control device.

Abstract: The present disclosure relates to a shielded electric connector for connecting or distributing shielded electric lines or plug connectors with one another, and to methods for producing the shielded electric connector. Connector elements belong to a line or to a plug connector. Shielding sleeves or shielding housings of the lines and/or of the plug connectors are surrounded by a shielding housing, which consists of a cast metal body that has been cast in situ onto annular regions of the shielding sleeves or shielding housings in order to produce a local anchoring means with low electric contact resistance.

Abstract: A patchboard having at least four socket blocks and at least one fastening element, wherein the individual box-shaped socket blocks are arranged in relation to each other in such a way that each socket block is connected to at least one further socket block in both x and y directions, end and side faces of the socket blocks each have at least one connection region for connecting to another socket block. A fastening element is arranged in the center between four socket blocks and is a pin having a gear-shaped cross-section having four ridge-shaped teeth, a groove being formed on each of the four longitudinal edges of the individual socket blocks, which grooves have a first section and at least one second section adjoining the first section. The pin can be rotated about its longitudinal axis when the pin is arranged in the second section of the grooves.

Abstract: An electric terminal block having a terminal housing, two conductor connection elements in the housing, and two current bars. Each current bar has a connection portion and a resilient contact portion. Each connection portion is paired with a respective conductor connection element, and the contact portions together form a contact region for receiving and contacting the plug of a test plug or disconnecting plug. The contact portions contact each other when no plug is plugged in such that the two conductor connection elements are electrically connected together via the two current bars. A transverse connection between two conductor connection elements of two adjacent terminal blocks is produced automatically when a test plug or disconnecting plug is plugged onto the terminal blocks. The terminal housing has two spring elements that have a resilient contact portion; the contact portions of the spring elements together form an additional contact region for the plug.

Abstract: The present disclosure relates to a photovoltaic system comprising at least one string of series-connected solar modules and an inverter, a test circuit which can be connected between the string and the inverter in at least one string line, and a testing method in particular for checking whether the inverter-side section of the string lines is closed and whether the inverter is connected.