Abstract: Motor vehicle on-board electrical network switch having at least two inputs for a respective one of at least two on-board power supplies, at least one output for a load of the motor vehicle, at least two switches, a first switch being disposed between a first of the inputs and a common node, and a second switch being disposed between a second of the inputs and the common node, and the output being electrically connected to the common node, wherein the switches are formed as semiconductor switches and are respectively connected with their body diodes in forward direction towards the common node, characterized in that a monitoring circuit monitors a first voltage at the first input and/or a second voltage at the second input and/or a voltage at the common node, and in that the monitoring circuit causes an opening signal for simultaneous opening of both switches depending on an amount of at least one of the monitored voltages.

Abstract: Motor vehicle on-board electrical network switch having at least two inputs for a respective one of at least two on-board power supplies, at least one output for a load of the motor vehicle, at least two switches, a first switch being disposed between a first of the inputs and a common node, and a second switch being disposed between a second of the inputs and the common node, and the output being electrically connected to the common node, wherein the switches are formed as semiconductor switches and are respectively connected with their body diodes in forward direction towards the common node, characterized in that a monitoring circuit monitors a first voltage at the first input and/or a second voltage at the second input and/or a voltage at the common node, and in that the monitoring circuit causes an opening signal for simultaneous opening of both switches depending on an amount of at least one of the monitored voltages.

Abstract: Motor vehicle on-board network having at least two main line strands arranged electrically parallel to one another, the main line strands being electrically short-circuited to one another in two regions which are separated from one another and having a connection for one of at least two on-board network power supplies in each case, at least one motor vehicle on-board network being arranged in the at least two main line strands interrupting the respective main line strand, the motor vehicle electrical system switching network having at least three switches, a first switch being arranged between a first main line connection and a common node, a second switch being arranged between a second main line connection and the common node, and a third switch being arranged between the common node and at least one load connection.

Abstract: Melting fuse with a melting wire arranged between a first and a second terminal, characterized in that a connecting pin is arranged on each of the first and second terminals, a printed circuit board is placed on the connection pin, and at least one integrated circuit is arranged on the printed circuit board on the side facing away from the melting wire.

Abstract: Melting fuse with a melting wire arranged between a first and a second terminal, characterized in that a connecting pin is arranged on each of the first and second terminals, a printed circuit board is placed on the connection pin, and at least one integrated circuit is arranged on the printed circuit board on the side facing away from the melting wire.

Abstract: Electrical fuse element 12 comprising a switchable load path 22 and a switchable fuse path 36, wherein the load path 22 and the fuse path 36 are short-circuited with their respective inputs 14. The load path 22 and the fuse path 36 are in mechanical connection with each other in such a way that an electrical opening of the load path 22 causes an electrical closing of the fuse path 36 and that a melting fuse 38 arranged in the fuse path 36 is triggered at the moment of closing of the fuse path 36.

Abstract: High-voltage switch with a first terminal contact connected to a first fixed contact, a second terminal contact connected to a second fixed contact, a bridge contact arranged between the first fixed contact and the second fixed contact and connecting the first fixed contact to the second fixed contact, the bridge contact being pressed against at least one of the fixed contacts with a contact pressing force and being able to be released from at least one of the fixed contacts with a pull-off force, and a drive acting on the bridge contact in the direction of the pull-off force. A measuring circuit senses a voltage drop between the fixed contacts in case of levitation between at least one fixed contact and the bridge contact and depending on the sensed voltage drop controls the drive in such a way that the drive acts on the bridge contact with a force in the direction of the pull-off force.

Abstract: Line-integrated switch having at least a first metal flat part 2, at least a second metal flat part 8, wherein the flat parts are arranged in an overlapping region with the wide sides thereof one above the other and in the overlapping region a semi-conductor switch 18 is arranged between the flat parts 2, 8 so as to connect the flat parts 2, 8 to each other in a switching manner. A simple construction is possible in that at least in the overlapping region a first of the flat parts 2, at a side facing the second of the flat parts 8, is coated at least partially with an insulation, wherein a recess is provided in the insulation in a contact region 10 and the semi-conductor switch 18 in the contact region 10 is electrically contacted with the flat part 8.

Abstract: Electrical fuse element 12 comprising a switchable load path 22 and a switchable fuse path 36, wherein the load path 22 and the fuse path 36 are short-circuited with their respective inputs 14. The load path 22 and the fuse path 36 are in mechanical connection with each other in such a way that an electrical opening of the load path 22 causes an electrical closing of the fuse path 36 and that a melting fuse 38 arranged in the fuse path 36 is triggered at the moment of closing of the fuse path 36.

Abstract: Disconnecting device for an energy conductor comprising at least one first connection part, at least one second connection part, at least one disconnection point arranged between the first and second connection parts, the disconnection point forming a current path between the first and second connection parts in a closed state and disconnecting a current path between the first and second connection parts in an open state, the disconnecting device having a flowable medium which is arranged in a guide housing and separates the disconnection point driven by a drive, the flowable medium at least partially surrounding the disconnection point at the moment of disconnection, and the disconnecting device having a bolt which is moved into the disconnection point immediately after the disconnection of the disconnection point by the flowable medium.

Abstract: Disconnecting device for an energy conductor comprising at least one first connection part, at least one second connection part, at least one disconnection point arranged between the first and second connection parts, the disconnection point forming a current path between the first and second connection parts in a closed state and disconnecting a current path between the first and second connection parts in an open state, the disconnecting device having a flowable medium which is arranged in a guide housing and separates the disconnection point driven by a drive, the flowable medium at least partially surrounding the disconnection point at the moment of disconnection, and the disconnecting device having a bolt which is moved into the disconnection point immediately after the disconnection of the disconnection point by the flowable medium.

Abstract: Disconnecting device for a power line, having at least one disconnecting means which is spatially arranged between a first and a second connector when the disconnecting device is in a closed state, the disconnecting means having at least one connecting element forming an electrical connection between the connectors when the disconnecting device is in the closed state, wherein the connecting element is electrically connected to the first connector via a first contact point and to the second connector via a second contact point when the disconnecting device is in the closed state, and wherein the disconnecting means is arranged in such a way that a breakdown voltage between the first and the second connector when the disconnecting device is in an open state is greater than between the first connector and the first contact point of the connecting element and/or between the second connector and the second contact point of the connecting element.

Abstract: High-voltage vehicle electrical system comprising a high-voltage battery terminal having a high-side terminal contact and a low-side terminal contact and a high-voltage output having a high-side output contact and a low-side output contact. For reliable isolation of a short-circuit current by using levitation, at least one series circuit arranged between the low-side terminal contact and the low-side output contact and consisting of a first switching relay and a pyrotechnic isolating device is provided.

Abstract: High-voltage vehicle electrical system comprising a high-voltage battery terminal having a high-side terminal contact and a low-side terminal contact and a high-voltage output having a high-side output contact and a low-side output contact. For reliable isolation of a short-circuit current by using levitation, at least one series circuit arranged between the low-side terminal contact and the low-side output contact and consisting of a first switching relay and a pyrotechnic isolating device is provided.

Abstract: Disconnecting device for a power line, having at least one disconnecting means which is spatially arranged between a first and a second connector when the disconnecting device is in a closed state, the disconnecting means having at least one connecting element forming an electrical connection between the connectors when the disconnecting device is in the closed state, wherein the connecting element is electrically connected to the first connector via a first contact point and to the second connector via a second contact point when the disconnecting device is in the closed state, and wherein the disconnecting means is arranged in such a way that a breakdown voltage between the first and the second connector when the disconnecting device is in an open state is greater than between the first connector and the first contact point of the connecting element and/or between the second connector and the second contact point of the connecting element.

Abstract: Motor vehicle on-board network having at least two main line strands arranged electrically parallel to one another, the main line strands being electrically short-circuited to one another in two regions which are separated from one another and having a connection for one of at least two on-board network power supplies in each case, at least one motor vehicle on-board network being arranged in the at least two main line strands interrupting the respective main line strand, the motor vehicle electrical system switching network having at least three switches, a first switch being arranged between a first main line connection and a common node, a second switch being arranged between a second main line connection and the common node, and a third switch being arranged between the common node and at least one load connection.

Abstract: Line-integrated switch having at least a first metal flat part 2, at least a second metal flat part 8, wherein the flat parts are arranged in an overlapping region with the wide sides thereof one above the other and in the overlapping region a semi-conductor switch 18 is arranged between the flat parts 2, 8 so as to connect the flat parts 2, 8 to each other in a switching manner. A simple construction is possible in that at least in the overlapping region a first of the flat parts 2, at a side facing the second of the flat parts 8, is coated at least partially with an insulation, wherein a recess is provided in the insulation in a contact region 10 and the semi-conductor switch 18 in the contact region 10 is electrically contacted with the flat part 8.

Abstract: Multi-voltage on-board electrical system of a motor vehicle, comprising at least three flat cables extending substantially in parallel with one another in the longitudinal direction thereof, and at least two voltage sources, wherein a first of the flat cables is connected in an electrically conductive manner to a first pole of a first of the voltage sources, a second of the flat cables is connected in an electrically conductive manner to a first pole of a second of the voltage sources, and a third of the flat cables arranged between the first and the second flat cable is connected in an electrically conductive manner to a second pole of the first and/or second voltage source.

Abstract: Multi-voltage on-board electrical system of a motor vehicle, comprising at least three flat cables extending substantially in parallel with one another in the longitudinal direction thereof, and at least two voltage sources, wherein a first of the flat cables is connected in an electrically conductive manner to a first pole of a first of the voltage sources, a second of the flat cables is connected in an electrically conductive manner to a first pole of a second of the voltage sources, and a third of the flat cables arranged between the first and the second flat cable is connected in an electrically conductive manner to a second pole of the first and/or second voltage source.

Abstract: Starting current limitation system 20 having at least a first electrical connection component 30 which can be connected to a battery pole 12, a second electrical connection component 34 which can be connected to a starter 18, and a parallel circuit which is connected between the first connection component 30 and the second connection component 34 and which comprises a branch 24a having a amperage control device 24 and a branch 22a having an electrical resistor 22. An optimization of structural space is achieved when the branch 22a having the electrical resistor 22, the branch 24a having the amperage control device 24 and the first connection component 30 are arranged inside a pole niche 26a of the battery pole 12.