Abstract: A touch protected busbar system (TP-BSYS) comprising at least one hybrid busbar (1) having a current-carrying rail profile (2) and a contact-receiving rail profile (3) providing contact openings (4) configured to receive protruding electrical contacts (6) of electrical devices (ED-A) to be connected to said touch protected busbar system (TP-BSYS), wherein the at least one hybrid busbar (1) is at least partially covered by electrical isolating touch protection elements (TPE) of said touch protected busbar system (TP-BSYS) and/or at least partially encapsulated by an electrical isolating layer.

Abstract: A fuse holder provides a safe device for connecting fuses to a three-phase busbar device. Each phase includes a corresponding load conductor and line conductor mounted within a housing. A mechanical lock is provided for each phase that locks a knife of the fuse to one of the conductors for the phase. In a further aspect, the fuse knives are frictionally locked within the housing. In both the mechanical lock and frictional lock, a release mechanism is provided that can be activated by a screwdriver to release the fuse knives from the fuse holder. In another aspect, certain conductors are provided with heat dissipation wings that contact the housing to dissipate heat generated by current flowing through the conductor.

Abstract: Adapter device (1) for connecting at least one electrical device (2) adapted for a busbar subsystem (11, 12) to a busbar main system (7), wherein the adapter housing (4) of the adapter device (1) comprises a busbar main interface (22) on a rear side of the housing for electromechanical contacting of busbars (6) of the busbar main system (7) and one or more busbar sub-interfaces on a front side of the housing, which are provided for placing the at least one electrical device (2) on the adapter device (1) and for its electrical connection to the busbar main system (7) via busbars (15, 16) of the respective busbar sub-system (11, 12) integrated in the adapter housing (4) or attached thereto and via electrical conductors (28) contained in the adapter housing (4).

Abstract: A busbar board (1) for connection of devices (11) to a power busbar system, wherein the busbar board (1) comprises a front side touch protection cover plate (2) having feedthrough openings (7) for electrical connection contacts (13) of devices (11) to be connected to the busbar board (1), wherein the touch protection cover plate (2) is adapted to cover power busbars (6) having contact openings (5) lying directly beneath the feed-through openings (7) of the touch protection cover plate (2) and comprising a touch protection base plate (3) connected to said touch protection cover plate (2), wherein the touch protection base plate (3) covers the power busbars (6) enclosed by the busbar board (1) from behind, wherein a power feed-in of electrical power into the power busbars (6) enclosed by the busbar board (1) is provided by power feed-in plugs (10) being pluggable into socket (26) of the touch protection base plate (3) of the busbar board (1).

Abstract: An elongated busbar board for connection of devices to a power busbar system comprises a front side touch protection cover plate consisting of touch protection cover plate segments made of an electrically insulating material and having feedthrough openings The touch protection cover plate is adapted to cover power busbars made of an electrically conductive material having contact openings lying directly beneath the feedthrough openings and comprises a touch protection base plate connected to the touch protection cover plate and consisting of touch protection base plate segments made of the electrically insulating material and adapted to cover the power busbars enclosed by the elongated busbar board from behind. A thermal expansion difference caused by different thermal expansion coefficients of the electrically insulating material and of the electrically conductive material is compensated.

Abstract: A fuse holder provides a safe device for connecting fuses to a three-phase busbar device. Each phase includes a corresponding load conductor and line conductor mounted within a housing. A mechanical lock is provided for each phase that locks a knife of the fuse to one of the conductors for the phase. In a further aspect, the fuse knives are frictionally locked within the housing. In both the mechanical lock and frictional lock, a release mechanism is provided that can be activated by a screwdriver to release the fuse knives from the fuse holder. In another aspect, certain conductors are provided with heat dissipation wings that contact the housing to dissipate heat generated by current flowing through the conductor.

Abstract: A busbar board (1) for connection of devices (11) to a power busbar system, wherein the busbar board (1) comprises a front side touch protection cover plate (2) having feedthrough openings (7) for electrical connection contacts (13) of devices (11) to be connected to the busbar board (1), wherein the touch protection cover plate (2) is adapted to cover power busbars (6) having contact openings (5) lying directly beneath the feed-through openings (7) of the touch protection cover plate (2) and comprising a touch protection base plate (3) connected to said touch protection cover plate (2), wherein the touch protection base plate (3) covers the power busbars (6) enclosed by the busbar board (1) from behind, wherein a power feed-in of electrical power into the power busbars (6) enclosed by the busbar board (1) is provided by power feed-in plugs (10) being pluggable into socket (26) of the touch protection base plate (3) of the busbar board (1).

Abstract: A method for detection of a failure of a protective fuse used to protect an associated load against overcurrent and/or against overload, wherein the method includes the steps of: measuring an electrical current, flowing through the protective fuse to the load by means of a current sensor element, determining a thermal energy generated in the protective fuse depending on the measured electrical current, and automatically detecting a failure of the protective fuse if the determined thermal energy exceeds a predetermined threshold value and if the electrical current, measured by the current sensor element has stopped flowing through said protective fuse.

Abstract: A fuse holder provides a safe device for connecting fuses to a three-phase busbar device. Each phase includes a corresponding load conductor and line conductor mounted within a housing. A mechanical lock is provided for each phase that locks a knife of the fuse to one of the conductors for the phase. In a further aspect, the fuse knives are frictionally locked within the housing. In both the mechanical lock and frictional lock, a release mechanism is provided that can be activated by a screwdriver to release the fuse knives from the fuse holder. In another aspect, certain conductors are provided with heat dissipation wings that contact the housing to dissipate heat generated by current flowing through the conductor.

Abstract: An elongated busbar board (1) for connection of devices (11) to a power busbar system comprises a front side touch protection cover plate (2) consisting of touch protection cover plate segments (2-i) made of an electrically insulating material and having feedthrough openings (7) for electrical connection contacts (13A) of devices (11) to be connected to the elongated busbar board.

Abstract: A hybrid busbar (1) for a busbar system, said hybrid busbar (1) comprising a current carrying rail profile (2) adapted to carry an electrical current with a predefined high current amplitude and at least one contact receiving rail profile (3) having a plurality of equally spaced contact openings (4) configured to receive protruding electrical contacts (6) of electrical devices (ED-A) to be connected to said busbar system, wherein the current carrying rail profile (2) and the contact receiving rail profile (3) are connected with each other to form said hybrid busbar (1) providing at least one bounding geometry with a rectangular cross section (CS), wherein the hybrid busbar (1) can be engaged from behind by hook-shaped mounting latches (7) of electrical devices (ED-B) to be connected to said busbar system.

Abstract: Adapter device (1) for connecting at least one electrical device (2) adapted for a busbar subsystem (11, 12) to a busbar main system (7), wherein the adapter housing (4) of the adapter device (1) comprises a busbar main interface (22) on a rear side of the housing for electromechanical contacting of busbars (6) of the busbar main system (7) and one or more busbar sub-interfaces on a front side of the housing, which are provided for placing the at least one electrical device (2) on the adapter device (1) and for its electrical connection to the busbar main system (7) via busbars (15, 16) of the respective busbar sub-system (11, 12) integrated in the adapter housing (4) or attached thereto and via electrical conductors (28) contained in the adapter housing (4).

Abstract: Device for securing an object on a rail, having an elongated base body which may be placed transversely on the rail and which at one end comprises an integrated actuating element which, when actuated by a user, moves opposing latching hooks which are integrated in the actuating element and are suitable for engaging behind the rail, in opposite directions.

Abstract: A touch protected busbar system (TP-BSYS) comprising at least one hybrid busbar (1) having a current-carrying rail profile (2) and a contact-receiving rail profile (3) providing contact openings (4) configured to receive protruding electrical contacts (6) of electrical devices (ED-A) to be connected to said touch protected busbar system (TP-BSYS), wherein the at least one hybrid busbar (1) is at least partially covered by electrical isolating touch protection elements (TPE) of said touch protected busbar system (TP-BSYS) and/or at least partially encapsulated by an electrical isolating layer.

Abstract: A hybrid busbar (1) for a busbar system, said hybrid busbar (1) comprising a current carrying rail profile (2) adapted to carry an electrical current with a predefined high current amplitude and at least one contact receiving rail profile (3) having a plurality of equally spaced contact openings (4) configured to receive protruding electrical contacts (6) of electrical devices (ED-A) to be connected to said busbar system, wherein the current carrying rail profile (2) and the contact receiving rail profile (3) are connected with each other to form said hybrid busbar (1) providing at least one bounding geometry with a rectangular cross section (CS), wherein the hybrid busbar (1) can be engaged from behind by hook-shaped mounting latches (7) of electrical devices (ED-B) to be connected to said busbar system.

Abstract: Device for securing an object on a rail, having an elongated base body which may be placed transversely on the rail and which at one end comprises an integrated actuating element which, when actuated by a user, moves opposing latching hooks which are integrated in the actuating element and are suitable for engaging behind the rail, in opposite directions.

Abstract: Supply rail (1) for supplying current phases (L1, L2, L3) of a low-voltage network to a busbar system or for tapping current phases (L1, L2, L3) from the busbar system, comprising an elongate main body (2) that can be mounted transversely on a plurality of busbars arranged in parallel and includes contact bars (5-1, 5-2, 5-3) that contact the busbars when the supply rail (1) is mounted in order to supply or to tap the current phases (L1, L2, L3) carried on the busbars, wherein each contact bar (5-1, 5-2, 5-3) is directly connected to an associated terminal bus (11-1, 11-2, 11-3), each of which comprises a terminal at an end face of the elongate main body (2) for electrically connecting to the low-voltage network.

Abstract: Fuse load-break switch (1) for low-voltage high-power fuses, a fuse contact pair for receiving a fuse (5A, 5B, 5C) being provided within a housing (2) of the fuse load-break switch (1) for each current phase to be disconnected, characterized in that a thermal power loss brought about by the fuses (5A, 5B, 5C) is dissipated into at least one heat dissipation duct (3) provided laterally on the housing (2) of the fuse load-break switch (1).

Abstract: Supply rail (1) for supplying current phases (L1, L2, L3) of a low-voltage network to a busbar system or for tapping current phases (L1, L2, L3) from the busbar system, comprising an elongate main body (2) that can be mounted transversely on a plurality of busbars arranged in parallel and includes contact bars (5-1, 5-2, 5-3) that contact the busbars when the supply rail (1) is mounted in order to supply or to tap the current phases (L1, L2, L3) carried on the busbars, wherein each contact bar (5-1, 5-2, 5-3) is directly connected to an associated terminal bus (11-1, 11-2, 11-3), each of which comprises a terminal at an end face of the elongate main body (2) for electrically connecting to the low-voltage network.

Abstract: A multi-pole switching device (1) for a busbar system includes a movable front cover (3), which is movably attached to the housing of the switching device and which locks at least one receiving unit (4) for receiving a component when the multi-pole switching device (1) is switched on.