A switch assembly, a system, and a method are provided. One such switch assembly includes a first connection bus to connect to a power source or a load and a second connection bus to connect to one of a second power source or the load. The switch assembly includes a shaft, a driving mechanism to engage the shaft, and a toggle arm connected to the first connection bus and secured to the driving mechanism. The switch assembly includes a pivot arm electrically connected to the second connection bus and including a contact pad. The shaft is structured to rotate the toggle arm from a closed position to an open position by rotating the driving mechanism, and in the closed position, a contact pad of the toggle arm contacts the contact pad of the pivot arm. The pivot arm is maintained substantially parallel to the second connection bus.

A switch pole for a low-voltage switching device is provided. The switch pole includes an insulating casing defining an internal space with a contact region and an arc extinguishing region of the switch pole, a first pole terminal and a second pole terminal couplable with corresponding line conductors of an electric line, a fixed contact assembly and a movable contact assembly positioned in the contact region and including one or more fixed contacts and one or more movable contacts, respectively, which can be mutually coupled or uncoupled, an arc chamber positioned in the arc extinguishing region and including a plurality of parallel arc-breaking plates, and a magnetic field generation arrangement configured to generate a magnetic field during an opening maneuver of the switch pole.

The invention relates to an overvoltage protection arrangement comprising a horn spark gap located in a housing, with a chamber for arc quenching, wherein a trigger electrode is located in the ignition region of the horn spark gap, wherein a disconnecting element is provided that interrupts a connection between a trigger circuit and the trigger electrode, and thus disconnects the trigger electrode, wherein the disconnecting element is tripped or controlled by an evaluation unit that is subject to and reacts to the loading of a power follow-on current.

The invention relates to an overvoltage protection arrangement comprising a horn spark gap located in a housing, with a chamber for arc quenching, wherein a trigger electrode is located in the ignition region of the horn spark gap, wherein a disconnecting element is provided that interrupts a connection between a trigger circuit and the trigger electrode, and thus disconnects the trigger electrode, wherein the disconnecting element is tripped or controlled by an evaluation unit that is subject to and reacts to the loading of a power follow-on current.

Described herein is a switch pole for a low voltage switching device including an insulating casing defining an internal space with a contact area and an arc-extinguishing area of the switch pole, a fixed contact assembly and a movable contact assembly positioned in the contact area and including, respectively, one or more fixed contacts and one or more movable contacts, which can be mutually coupled or uncoupled, and an arc chamber positioned in the arc-extinguishing area that includes a plurality of parallel arc-breaking plates. The insulating casing includes an insulating wall partially separating the contact area from the arc-extinguishing area and a channel connects the contact area to the arc-extinguishing area. The switch pole further includes an additional arc-breaking element anchored to the insulating wall, passing through the channel of the insulating wall and arranged in electrical connection with a terminal arc-breaking plate of the arc chamber.

The contact device includes: a fixed contact member including a fixed contact; and a movable contact member including a movable contact. The movable contact member is movable between a position where the movable contact is in contact with the fixed contact and a position where the movable contact is away from the fixed contact. The movable contact member further includes a protrusion which protrudes from a face to which the movable contact is provided, in a direction same as a protruding direction of the movable contact.

The contact device includes: a fixed contact member including a fixed contact; and a movable contact member including a movable contact. The movable contact member is movable between a position where the movable contact is in contact with the fixed contact and a position where the movable contact is away from the fixed contact. The movable contact member further includes a protrusion which protrudes from a face to which the movable contact is provided, in a direction same as a protruding direction of the movable contact.

A power-assisted reset magnetic proximity switch that has a shell that has an inner chamber provided with a magnet, a first terminal and a second terminal; the first terminal and the second terminal are disposed in parallel at intervals, each vertically inserted into the lower end plate of the shell; the upper end of the second terminal is transversely provided with an elastic contact piece; the free end of the elastic contact piece is disposed above the first terminal; a power-assisted rod is disposed in the shell, outer end of which is hinged with the shell; an elastic tongue piece is disposed on the elastic contact piece; the free end of the elastic tongue piece abuts against the inner end of the power-assisted rod; the outer end of the power-assisted rod is provided with a limiting insertion plate that forms an L-shaped structure with the power-assisted rod.

The present invention relates to a switching device with at least one contact point and an arc blow device associated with the contact point, where the arc blow device comprises at least one blow magnet for generating a magnetic blow field, and where the blow field is of such nature that a switch arc developing when the contact point opens is blown out from the contact point. It is according to the invention provided that the blow field comprises a first magnetic field area and a second magnetic field area arranged adjacent to the first magnetic field area, where the magnetic field lines of the first magnetic field area are oriented in opposite direction to the magnetic field lines of the second magnetic field area, and where the blow field further comprises a transition area which connects the first magnetic field area and the second magnetic field area with each other, where the orientation of the magnetic field lines in the transition area, each starting out from the first magnetic field area and the second magnetic field area, aligns toward the contact point so that the switch arc within the transition area is in dependence of the direction of the current, starting out from the contact point, directed either into the first magnetic field area or into the second magnetic field area and there in both cases blown in the same direction away from the contact point.

The present invention relates to a switching device with at least one contact point and an arc blow device associated with the contact point, where the arc blow device comprises at least one blow magnet for generating a magnetic blow field, and where the blow field is of such nature that a switch arc developing when the contact point opens is blown out from the contact point. It is according to the invention provided that the blow field comprises a first magnetic field area and a second magnetic field area arranged adjacent to the first magnetic field area, where the magnetic field lines of the first magnetic field area are oriented in opposite direction to the magnetic field lines of the second magnetic field area, and where the blow field further comprises a transition area which connects the first magnetic field area and the second magnetic field area with each other, where the orientation of the magnetic field lines in the transition area, each starting out from the first magnetic field area and the second magnetic field area, aligns toward the contact point so that the switch arc within the transition area is in dependence of the direction of the current, starting out from the contact point, directed either into the first magnetic field area or into the second magnetic field area and there in both cases blown in the same direction away from the contact point.