Abstract: A power distributor having a plurality of power distribution modules arranged in a row, for directly mounting on a carrier rail, having a supply module arranged on one end face and a signal module arranged on the opposite end face, and having at least one connection module arranged therebetween. The supply module has a supply connection for a main power line for tapping off a supply power. The connection module is fitted or can be fitted with a protective switch that can be actuated and a plurality of load connections for connecting to an interruptible load circuit by means of the protective switch. The signal module has a first signal connection for a switch signal actuating the protective switch, and the power distribution modules are or can be coupled to each other in an electrically conductive manner.

Abstract: An interrupter device for interrupting a direct current between a direct current source and an electrical device, for example, between a photovoltaic generator and an inverter. The interrupter device has a mechanical switch which has a first fixed contact, a second fixed contact, and a contact bridge that can be moved between a first position and a second position. The contact bridge and the first fixed contact are electrically contacted to a semiconductor switch which blocks a current when the contact bridge is in the first position. A control input of the semiconductor switch is connected to the mechanical switch such that an arc voltage generated as a result of an arc across the switch connects the semiconductor switch so as to conduct a current when the contact bridge is moved into the second position.

Abstract: A switching device having a housing and a contact carrier which is pivotable about a rotational axis, the rotational axis being in particular fixed to the device or the housing, the contact carrier comprising at least one coupling contact for producing or opening a power- and/or signal-carrying contact connection with at least one attached switching device.

Abstract: A power distribution system for connection to an AC voltage network, having a UPS power supply unit for uninterruptible power supply with a network-side input and with at least one output to which a number of loads are connected or can be connected in parallel load circuits, wherein a protective device having an electromechanical tripping device, in particular a thermal/magnetic tripping device, and having an evaluation and tripping unit is connected in the or each load circuit, which tripping unit trips the tripping device on the basis of an electronic overload and/or short-circuit characteristic curve and on the basis of the output voltage from the UPS power supply unit.

Abstract: A circuit breaker having, in a current path, a switching device having a thermal and/or magnetic tripping device for interruption of a current circuit having the current path comprehensive in an event of overcurrent or short-circuit, wherein a functional component of the switching device connected into the current path is bridged by means of a bypass which carries the load current detected by means of a current sensor when the current is below a current threshold, and is shut off when the current threshold is exceeded.

Abstract: A switching device having a housing and a contact carrier which is pivotable about a rotational axis, the rotational axis being in particular fixed to the device or the housing, the contact carrier comprising at least one coupling contact for producing or opening a power- and/or signal-carrying contact connection with at least one attached switching device.

Abstract: A disconnecting device for interrupting a direct current between a direct current source and an electric apparatus, having a current-conducting mechanical switch, a power electronics unit connected thereto, and an energy store which is charged by an arcing voltage generated on the switch by an arc as the switch is being disconnected. A pulse generator that is connected to the energy store triggers at least one semiconductor switch of the power electronics unit in such a way that the power electronics unit short-circuits the switch and the arc is extinguished.

Abstract: A power relay for a vehicle has a housing and two connecting bolts that are introduced into the housing so as to contact a load current circuit. The power relay further having a coil assembly that is arranged in the housing, the coil assembly contains a magnetic coil and a magnetic armature that is coupled by way of a force-transferring member to a contact bridge that can be moved in a reversible manner between a closed position and an opened position and can be displaced in the housing under the effect of a magnetic field that is generated by the magnetic coil. The contact bridge supports two contact elements that together with the mating contacts of the connecting pin form a first contact pair and a second contact pair. The contact pairs form a three point bearing arrangement in the closed position.

Abstract: A method for identifying arcing faults within a circuit having a system frequency, an electrical current and an electrical voltage, in which method an interference signal occurring, which has a frequency below an LF1 frequency and a current intensity above an LF1 limit threshold, defines an LF1 signal, in which a number of interference signals occurring, which have a frequency below an HF2 frequency, are combined to form an HF2 signal if the number of interference signals occurring is greater than or equal to an HF2 number and the time interval between two successive interference signals is less than an HF2 time, in which the number of time periods with a respective length which amounts to an accumulation length and which follow one another directly in time and in which in each case at least one HF2 signal is present define an accumulation when the number of time periods is greater than or equal to an accumulation number.

Abstract: An electronic switch for switching a load, having a current path which runs between an operating voltage connection and a load connection and to which a power transistor and a current sensor sensing the load current are connected, and having a control or regulating device which controls the power transistor on the basis of the load current, wherein the control or regulating device is connected to the secondary circuit of a converter circuit having a transformer, the primary circuit of which is connected to the operating voltage connection via a controlled switch arrangement.

Abstract: An electronic circuit breaker with a semiconductor switch, a drain connection and a source connection of the semiconductor switch being connected between a voltage input and a load output, and a gate connection of said semiconductor switch being connected to a control device which is supplied, at the input end, with a signal which represents the load current. The control device determines the drain-source voltage and, from this and from the detected load current, generates a control signal which is routed to the gate connection of the semiconductor switch and by means of which the power of the semiconductor switch is adjusted to less than or equal to a maximum power value.

Abstract: A disconnecting device for interrupting the direct current between a direct current source, in particular in the direct voltage range between 300VDc and/or in the nominal current range between 4 A and 250 A, and a load. The device has at least one protection switch with a protection switch arrangement having a magnetic trigger, and has semiconductor electronics which are connected in parallel to the at least one protection switch and which block the current when the protection switch arrangement is in a current-conducting state and which conducts current at least temporarily when the protection switch arrangement is triggered. A current, in particular an electric arc current generated as a result of an electric arc, is switched, when the protection switch arrangement is triggered, from the at least one protection switch to the semiconductor electronics.

Abstract: An electrical circuit including a circuit board on which a number of electrical and/or electronic components are mounted, and a busbar that has a supporting body and a first, second, and third connection. The supporting body is spaced apart from the circuit board and the connections are brought into electrical contact both with the supporting body and with the circuit board. The supporting body has a first cross section between the first and second connection and a second cross section between the second and third connection, wherein the first cross section is smaller than the second cross section. The invention further relates to a bus bar.

Abstract: A high current switch, in particular for a motor vehicle, having a first bus bar, a second bus bar in addition to a first semi-conductor switch that has a control connection and a first transmission connection as well as a second transmission connection. The first transmission connection is placed in direct contact with the first bus bar and the second transmission connection is placed in direct electric contact with the second bus bar.

Abstract: A circuit breaker for protecting an electric circuit contains a housing and an adapter having a receiving connector. The circuit breaker has two electrically conductive, substantially cylinder-shaped connection points which are positioned along an axis. Either the outer diameter of the connection points is between 5.0 mm and 5.3 mm and the maximum distance between the connection points is between 19.0 mm and 21.0 mm, or the outer diameter of the connection points is between 6.2 mm and 6.5 mm and the maximum distance between the connection points is between 30.5 mm and 33.0 mm.

Abstract: A thermally activated safety switch for safeguarding a consumer of a power supply network of a vehicle, having a switch housing in a temperature-independent switching unit, which subject to the temperature thereof establishes an electrically conductive connection between two external terminals fed out of the switch housing, wherein the external terminals are fed out at opposite housing sides of the switch housing. On the one hand, the external terminals are provided for an electrical and mechanical terminal connection to the cable connection ends of a consumer to be protected, and on the other hand to a cable portion leading to an on-board power supply electronics, and are configured accordingly.

Abstract: A thermal overcurrent circuit breaker having a switch housing in which a thermal expansion element and a snap-action switching mechanism, which is coupled to the thermal expansion element and can be manually operated, and also a moving contact, which interacts with the snap-action switching mechanism, and a fixed contact are arranged, the fixed contact being connected to a first connection rail while contact is made with the moving contact by a second connection rail by means of the thermal expansion element. The switch housing has a number of connection chambers in which in each case one of the connection rails is arranged, wherein a two-limb spring element for making clamping contact with a connection line, which is guided into the connection chamber via a first housing opening and has the connection rail, is arranged in each connection chamber.

Abstract: An electric motor, in particular a printed circuit board, having a stator, and a linearly guided rotor. On the rotor, a bolt ring having a number of bolts is attached. A cycloidal disc is connected in engagement to the bolt ring. An electrical circuit is also provided having a printed circuit board and an electric motor which is attached to the circuit board.

Abstract: A mechatronic plug-in connector system having a main contact and an auxiliary contact which lags during an unplugging operation and with a semiconductor electronic which is series-connected to the auxiliary contact and is parallel-connected to the main contact for extinguishing an arc produced during the unplugging operation, wherein the semiconductor electronic has two series-connected semiconductor switches and an energy accumulator which is connected to the semiconductor switches and which for charging taps the arc voltage produced between the semiconductor switches during the unplugging operation. The invention further relates to a multiple plug system having at least two plug-in connectors each having a main contact and a lagging auxiliary contact and with a semiconductor electronic which is common to the plug-in connectors and is series-connected to each of the auxiliary contacts via a diode.

Abstract: A switching system has two contact points and a contact link disposed so at be rotatably movable about an axis of rotation of the contact link between the two contact points. The switching system further has at least one quenching chamber and a magnetic element for producing a magnetic field being parallel to the axis of rotation of the contact link, for driving an arc produced when the contact points are open into the quenching chamber.