Abstract: A switching monitoring device for monitoring a switching operation of a relay switching contact of a relay includes a control terminal, a controller, and an impedance circuit. The control terminal is configured to apply a control signal for switching the relay switching contact to the relay switching contact. The controller is configured to produce an excitation signal. The impedance circuit has a signal input and a signal output, and the controller applies the excitation signal to the signal input. The impedance circuit converts the excitation signal into a switching monitoring signal and outputs the switching monitoring signal at the signal output for application to the relay switching contact. The controller is further configured to detect a change in a signal present at the impedance circuit and, if the change in the signal is present, detect the switching operation of the relay switching contact.

Abstract: A switching monitoring device for monitoring a switching operation of a relay switching contact of a relay includes a control terminal, a controller, and an impedance circuit. The control terminal is configured to apply a control signal for switching the relay switching contact to the relay switching contact. The controller is configured to produce an excitation signal. The impedance circuit has a signal input and a signal output, and the controller applies the excitation signal to the signal input. The impedance circuit converts the excitation signal into a switching monitoring signal and outputs the switching monitoring signal at the signal output for application to the relay switching contact. The controller is further configured to detect a change in a signal present at the impedance circuit and, if the change in the signal is present, detect the switching operation of the relay switching contact.

Abstract: An apparatus for processing signals transmitted between a controller and one field device or multiple field devices includes: a carrier having a control interface, a field interface, and one slot or multiple slots, the control interface being for connection of one electrical line channel or multiple electrical line channels of the controller, the field interface being for connection of input and/or output signal lines, I/O signal lines, of the one field device or the multiple field devices, and the one slot is, or each of the multiple slots are, for the releasable mechanical connection of a module in a plug-in direction and, in the mechanically connected state, for the electrical connection of the respective module to the line channel or one of the line channels and to the I/O signal lines of the field device or one of the field devices; and at least one module.

Abstract: A contact element for contacting electrotechnical components includes: a leadframe part made of an electrically conductive material, having a recess in a contact tab. The contact tab is formed to be curved at at least one location such that a curving line, along which a curvature is present, extends between a beginning and an end of the recess and runs transversely through the contact tab in a straight line.

Abstract: An electrical component is provided, comprising at least one plug-in socket for receiving an accommodated component, in particular a relay or an optocoupler, in or on the electrical component, the accommodated component having first electrical contact elements on its underside, for being electrically connected to second electrical contact elements of the electrical component, and wherein in an active position of the accommodated component, the first electrical contact elements are electrically connected with the second electrical contact elements of the electrical component on the plug-in socket, and comprising a manipulation means, by means of which the accommodated component can be more easily plugged into the active position in the plug-in socket and/or pulled out thereof, wherein the manipulation means has a spacing portion, and wherein a free end of the spacing portion protrudes beyond the electrical component and/or beyond the accommodated component that is inserted in the plug-in socket in the active p

Abstract: A technique for exchanging signals between a control system (200) and at least two field devices (300) is described. One device aspect of the technique comprises a base (102) that comprises a control interface (104) and at least two slots (106). The control interface (104) is configured to connect (108.1) to at least two electrical line channels (108) of the control system (200) and the at least two slots (106) are each configured to detachably mechanically connect (106.1) to a module (110) and to pass (106.2) at least one of the line channels (108) to the respective module (110).

Abstract: A switching apparatus for safely disconnecting an electrical load from a power supply network and to facilitate safe disconnection in the event of failure of a supply voltage thereof, includes an energy storage device which, in the event of failure of the supply voltage of a control unit, provides the energy for generating switching signals for a first electromechanical switch, a second electromechanical switch and a semiconductor switch. In order to be able to detect the failure of the supply voltage, a detector and signaling device is provided which is configured to detect discharging of the energy storage device and to supply a notification signal to the control unit signaling the discharging of the energy storage device to the control unit. In response to the notification signal, the control unit causes the electrical load to be disconnected from the power supply network in a safe and terminal-friendly manner.

Abstract: A circuit assembly includes a first signal branch connecting a signal connection to an electrical load via a semiconductor switch and a second signal branch connecting the signal connection to the electrical load via a relay. When a sensor detects a polarity change in an electrical signal within a test time interval, a controller may close the semiconductor switch at a first signal time such that electrical energy is supplied to the electrical load, actuate the relay at a second signal time after the semiconductor switch has been closed, and open the semiconductor switch after the relay has been closed such that electrical energy is supplied to the electrical load solely via the second signal branch.

Abstract: The disclosure relates to a relay having a controllable relay contact, having an electrical connection terminal where an electrical variable is able to be tapped, a control connection for receiving a control signal for actuating the relay contact, and a controller, configured, in response to the reception of the control signal, to detect a zero crossing of the electrical variable and to actuate the controllable relay contact in a time-delayed manner after the zero crossing of the electrical variable.

Abstract: A switching monitoring device for monitoring a switching operation of a relay switching contact of a relay includes a control terminal, a controller, and an impedance circuit. The control terminal is configured to apply a control signal for switching the relay switching contact to the relay switching contact. The controller is configured to produce an excitation signal. The impedance circuit has a signal input and a signal output, and the controller applies the excitation signal to the signal input. The impedance circuit converts the excitation signal into a switching monitoring signal and outputs the switching monitoring signal at the signal output for application to the relay switching contact. The controller is further configured to detect a change in a signal present at the impedance circuit and, if the change in the signal is present, detect the switching operation of the relay switching contact.

Abstract: A method and device for short circuit monitoring of a three-phase load connected to a three-phase grid, to improve short circuit monitoring of a three-phase load, the device having at least one current sensor arranged in the current path of one phase of the three-phase grid, and a processing unit for evaluating the measurement values of the at least one current sensor, having a respective port for each current sensor, to which the respective current sensor is connected via a connecting line. The processing unit is configured to detect a short circuit on the three-phase load through evaluation of the measurement values determined by the current sensor. The evaluation includes a plausibility check of the determined measurement values in order to distinguish between a short circuit and an influence on the determined measurement values by electrical and/or electromagnetic interference.

Abstract: A protection device for protecting an electrical load, from a short-circuit current, comprising a line arrangement having a first electrical line and a second electrical line for supplying the electrical load with electrical energy, the first electrical line having a first line constriction having a reduced line cross-section and the second electrical line having a second line constriction having a reduced line cross-section, the first line constriction and the second line constriction being arranged adjacent to each other, and comprising at least one insulation layer which electrically insulates the first line constriction from the second constriction the at least one insulation layer being thermally destructible in dependence on temperature.

Abstract: A circuit assembly includes a first signal branch connecting a signal connection to an electrical load via a semiconductor switch and a second signal branch connecting the signal connection to the electrical load via a relay. When a sensor detects a polarity change in an electrical signal within a test time interval, a controller may close the semiconductor switch at a first signal time such that electrical energy is supplied to the electrical load, actuate the relay at a second signal time after the semiconductor switch has been closed, and open the semiconductor switch after the relay has been closed such that electrical energy is supplied to the electrical load solely via the second signal branch.

Abstract: The present disclosure relates to a loop bridge for looping-through an electric signal, comprising: a first electric module comprising a first electrical connection terminal, wherein the electric signal loops through the first electric module to a second electric module comprising a second electrical connection terminal, wherein the first electrical connection terminal and the second electrical connection terminal each have a pressure piece: and a printed circuit board with a comb-like line structure. The comb-like line structure comprises: a first comb tine, wherein the first comb tine is configured to be inserted into the first electrical connection terminal, and wherein the first comb tine comprises a first metal support part configured to support the pressure piece of the first electrical connection terminal: and a second comb tine electrically connected to the first comb tine, wherein the second comb tine is configured to be inserted into the second electrical connection terminal.

Abstract: The disclosure relates to a loop bridge for looping through a number of electrical signals, comprising: a first electric module comprising a plurality of first electric connections, wherein the plurality of electrical signals are looped through the first electric module to a second electric module comprising a number of second electric connections; and a comb-shaped conducting element comprising a number of first prongs and a number of second prongs, wherein the first prongs are configured to be inserted into the first electric connections and the second prongs are configured to be inserted into the second electric connections, wherein the first prongs are connected to the second prongs in an electrically conductive manner, and wherein the first prongs and the second prongs are configured to be elastically deformed to be retained in a force-locking manner in the first and second electric connections, respectively.

Abstract: The present disclosure relates to a short-circuit sensor for detecting a short-circuit current in an electrical line. The short-circuit sensor includes an integrator, a coupling device, and a detection device. The coupling device is configured to inductively couple the integrator to the electrical line and to supply an induced signal to the integrator. The integrator is configured to integrate the induced signal to obtain an integrated signal. The detection device is configured to compare an amplitude value of the integrated signal with a prescribed threshold value and to detect the short-circuit current if the amplitude value of the integrated signal exceeds the prescribed threshold value.

Abstract: A method and device for short circuit monitoring of a three-phase load connected to a three-phase grid, to improve short circuit monitoring of a three-phase load, the device having at least one current sensor arranged in the current path of one phase of the three-phase grid, and a processing unit for evaluating the measurement values of the at least one current sensor, having a respective port for each current sensor, to which the respective current sensor is connected via a connecting line. The processing unit is configured to detect a short circuit on the three-phase load through evaluation of the measurement values determined by the current sensor. The evaluation includes a plausibility check of the determined measurement values in order to distinguish between a short circuit and an influence on the determined measurement values by electrical and/or electromagnetic interference.

Abstract: The present disclosure relates to a connecting adapter configured to connect to a terminal assembly. The connecting terminal assembly includes a plurality of electrical connecting terminals. The connecting adapter includes a printed circuit board that includes a comb-type conducting structure. The comb-type conducting structure includes a plurality of comb teeth, and each comb tooth includes an electrical contact surface. The connecting adapter also includes an electrical plug connector interface including a plug connector. The electrical plug connector interface includes electrical terminals electrically connected to the electrical contact surfaces of the comb teeth. The electrical plug connector interface is arranged on the printed circuit board.

Abstract: The disclosure relates to a loop bridge for looping through a number of electrical signals, comprising: a first electric module comprising a plurality of first electric connections, wherein the plurality of electrical signals are looped through the first electric module to a second electric module comprising a number of second electric connections; and a comb-shaped conducting element comprising a number of first prongs and a number of second prongs, wherein the first prongs are configured to be inserted into the first electric connections and the second prongs are configured to be inserted into the second electric connections, wherein the first prongs are connected to the second prongs in an electrically conductive manner, and wherein the first prongs and the second prongs are configured to be elastically deformed to be retained in a force-locking manner in the first and second electric connections, respectively.

Abstract: The present disclosure relates to a loop bridge for looping-through an electric signal, comprising: a first electric module comprising a first electrical connection terminal, wherein the electric signal loops through the first electric module to a second electric module comprising a second electrical connection terminal, wherein the first electrical connection terminal and the second electrical connection terminal each have a pressure piece: and a printed circuit board with a comb-like line structure. The comb-like line structure comprises: a first comb tine, wherein the first comb tine is configured to be inserted into the first electrical connection terminal, and wherein the first comb tine comprises a first metal support part configured to support the pressure piece of the first electrical connection terminal: and a second comb tine electrically connected to the first comb tine, wherein the second comb tine is configured to be inserted into the second electrical connection terminal.