Abstract: An electric switching device contains a first contact piece and a second contact piece. The first contact piece can be driven by a first kinematic chain. The second contact piece can be driven by a second kinematic chain. The electric switching device contains a first switching point and a second switching point, which are electrically connected in series, the first contact piece being associated with the first switching point and the second contact piece with the second switching point.

Abstract: A switching device having an arc quenching chamber, a fixed contact element and a movable contact element movable in a sliding contact between untripped and tripped positions within the chamber. A plurality of centering structures are arranged on the walls of the arc quenching chamber for centered guiding movement of the movable contact element as it moves from its untripped position to its tripped position. The centering structures may be fabricated unitarily with the chamber walls, as of plastic, and are arranged in parallel and spaced apart relation to one another.

Abstract: A switch capable of easily accomplishing current cutoff roles required for a high-voltage switch, and which has a short breaking time. The switch includes pressure housings filled with an insulative medium, a plurality of contactors each including a contact, a plurality of operation units actuating the contacts, an insulative spacer dividing the interiors of the pressure housings into the same number of internal spaces as the number of contacts, and an electrode passing completely through the insulative spacer and fastened to the insulative spacer. The contactor is provided one by one for each internal space, and all contacts are electrically connected in series via the electrode, and the operation units actuate the corresponding contacts, respectively.

Abstract: An electrical switch includes a gas-insulated tube, a contact system in the tube having fixed and movable contacts, a contact operating element passed out of the tube and movable along an actuation direction for opening and closing the system, and a contact pressure spring movable along the direction, connected to the operating element and an external drive element and disposed in a stationary guide part. The guide part guides the operating element. If the drive element shifts along the direction toward the fixed contact, the spring, operating element and movable contact move toward the fixed contact, closing the system and compressing the spring providing contact pressure force. The spring is in a housing connected to the operating element and movable relative to the guide part. A guide element is attached outside the housing, bears against the guide part, guides the housing and guides the operating element along the direction.

Abstract: An electrical connector that includes a first part housing for supporting contacting elements each configured to conductively couple with an electrical power source. First part coupling elements are configured to move between a connected and an unconnected configuration. In the connected configuration, each first part coupling element conductively couples with contacting elements, and in the unconnected configuration the first part coupling elements are not conductively coupled with contacting elements. At least one biasing element is configured to maintain the first part coupling elements in the unconnected configuration. A second part housing supports second part coupling elements each configured to conductively couple with one of the first part coupling elements.

Abstract: The present invention includes a wear-resistant material including: a base material formed of pure aluminum or an aluminum alloy having a projection, and a depression in a pit-like shape on a surface thereof; and a coat including a dehydrate of a hydrated oxide of aluminum, the coat being formed on a surface of the base material. Further, the present invention including a method for producing a wear-resistant material including the steps of: forming a hydrated oxide coat of aluminum on a surface of the base material by a chemical conversion coating; and heating the hydrated oxide coat. Further, the present invention also includes a puffer cylinder and a puffer-type gas circuit breaker applied to the above wear-resistant material.

Abstract: A slot motor is for an electrical switching apparatus. The slot motor includes: a support apparatus including a support element having a first leg and a second leg located opposite the first leg, the first leg having a first inner surface, the second leg having a second inner surface facing the first inner surface; a plurality of permanent magnets including a first permanent magnet and a second permanent magnet, the first permanent magnet being located on the first leg, the second permanent magnet being located on the second leg; and a number of U-shaped plates coupled to the support element. The first inner surface and the second inner surface are located between the first permanent magnet and the second permanent magnet.

Abstract: The present invention relates to an arc chamber to extinguish electric arcs for a contactor with an extinguishing system, a blowing device which blows electric arcs into the extinguishing system, and a plurality of lamellar electric arc extinguishing elements between which flow channels are formed, wherein the flow channels each have a scattering section and wherein the scattering sections of adjacent flow channels are formed with different inclinations so that the blown air is deflected into different directions by the flow channels. The invention further relates to a contactor with such an arc chamber.

Abstract: A female terminal for an electrical connector may generally include a socket with an opening for receiving a male terminal, a first pair of contacts, a second pair of contacts, a pair of crimping members, and positioning tabs. The socket may be defined by a pair of opposing sidewalls, a top, and a bottom, at least in examples where the socket is generally rectangular. The first and second pairs of contacts may be disposed along the pair of opposing sidewalls, projecting at least partially into the socket configured to contact and exert substantially the same normal force on a male terminal that is inserted into the socket. The pair of crimping members can be utilized to secure a wire to the female terminal, and the positioning tabs may be utilized to secure the female terminal within the electrical connector.

Abstract: Connector assemblies are disclosed. More particularly, connector assemblies including a housing with an inclined wall are disclosed. The inclined wall helps maintain a folded flat cable by contacting substantially its entire fold edge. The housing with the inclined wall may be removably attached to the rest of the connector assembly.

Abstract: The gas circuit breaker is made up of a fixed contact, a movable contact, a sealed tank having the fixed contact and the movable contact therein, an operating mechanism for driving the movable contact, and a mechanism unit for housing a link mechanism for connecting the operating mechanism with the movable contact. The operating mechanism is made up of an opening spring and a closing spring, cases for covering respective peripheries of those elastic bodies, a control mechanism for holding and freeing the driving force of the elastic body, and a link mechanism for conveying the driving force of the elastic body to the movable contact. The opening spring is laterally disposed in the axial direction between the link mechanism and the control mechanism. An integral flange is provided on an opening spring case and a closing spring case.

Abstract: An insulated switchgear module is disclosed. In one example, the module comprises a vacuum interrupter, current exchange assembly, and end conductors disposed within an insulated housing. The insulated housing further comprises a tank containing an actuator mechanism for actuating the current exchange assembly. An insulating tray within the housing separates the vacuum interrupter from the components in the tank. The insulated tray has a shape that corresponds with the shape of the vacuum interrupter and the shape of the housing.

Abstract: A crimped terminal is provided and includes a conductor, a crimped element, and a plurality of conductive particles: The conductor includes aluminum, and the crimped element is disposed around the conductor. The plurality of conductive particles include a copper alloy and are arranged between the conductor and the crimped element.

Abstract: A grounding and test device includes a chassis configured to be removably installed in a drawout switchgear compartment (e.g., a breaker compartment) having a load conductor and a line conductor therein. The device also includes an interconnection bus supported by the chassis and a ground conductor supported by the chassis. The device further includes a first vacuum circuit interrupter supported by the chassis and configured to selectively couple and decouple the interconnection bus and the line conductor, a second vacuum circuit interrupter supported by the chassis and configured to selectively couple and decouple the interconnection bus and the load conductor and a third vacuum circuit interrupter supported by the chassis and configured to selectively couple and decouple the interconnection bus and the ground conductor.

Abstract: An improved electrical interruption apparatus provides an improved wear indicator that is configured to depict an amount of wear that has been experienced by a set of separable contacts of a vacuum interrupter. At an easily visible location on a drive rod of the circuit interruption apparatus, the wear indicator indicates the extent to which the set of contacts have degraded. The wear indicator is attached to a spring-loaded over-travel mechanism that engages together the set of electrical contacts.

Abstract: Modular switchgear and methods for manufacturing the same. The modular switchgear includes a vacuum interrupter assembly, a source conductor assembly, and a housing assembly. The vacuum interrupter assembly includes a bushing, a fitting, and a vacuum interrupter at least partially molded within the bushing and including a movable contact and a stationary contact. The source conductor assembly includes a bushing, a fitting, and a source conductor molded within the bushing. The housing assembly includes a housing defining a chamber and a drive shaft and conductor positioned within the chamber. The housing assembly also includes a first receptacle for receiving the fitting of the vacuum interrupter assembly and a second receptacle for receiving the fitting of the source conductor assembly. The vacuum interrupter assembly, the source conductor assembly, and the housing assembly are coupled without molding the assemblies within a common housing.

Abstract: The present invention includes a wear-resistant material including: a base material formed of pure aluminum or an aluminum alloy having a finely asperity structure on a surface thereof; and a coat including a hydrated oxide coat of aluminum, the coat being formed on the surface of the base material. Further, the present invention including a puffer cylinder including: a finely asperity structure on an inner-wall surface thereof; and a coat including a hydrated oxide coat of aluminum, the coat being formed on the inner-wall surface of the puffer cylinder. The present invention also includes a puffer-type gas circuit breaker includes the above puffer cylinder.

Abstract: A circuit board that is to be mounted in a connector socket includes a plurality of electrical connectors located along a side edge of the circuit board. Retention bosses are formed on first and second opposite sides of the circuit board, each of the retention bosses protruding from a surface of the circuit board and extending parallel to and adjacent to the first edge of the circuit board. When the first edge of the circuit board is inserted into a slot of a connector socket, contact surfaces of the first and second retention bosses contact top surfaces of the connector socket to help immobilize the circuit board with respect to the connector socket. Adhesive layers on the contact surfaces of the first and second retention bosses may adhere to the top surfaces of the connector socket to help hold the circuit board immobile with respect to the connector socket.

Abstract: The subject matter of the invention is a cable connector (1) for establishing an electrical connection to a device connector, in particular a device connector of an electric vehicle or a charging device for the electric vehicle, wherein the cable connector (1) comprises a mechanical locking device (7), which is designed to lock the cable connector (1) to the device connector, and the locking device (7) is disposed at least partly on an outer side of a main body (2) of the cable connector (1), wherein the cable connector (1) has a covering device (14), which is designed to cover the locking device (7) at least partly on the outer side of the main body (2), and the covering device (14) has an actuating region (16) for actuating the locking device (7) via the covering device (14).

Abstract: A tank for a circuit breaker has a body defining an interior volume and having opposing ends. An flange is at each end of the body with the flanges defining a central longitudinal axis of the body. The body has an internal surface defining a top portion of the tank disposed substantially above the axis and defining a bottom portion of the tank disposed substantially below the axis. The top portion is spaced from the axis as defined by at least a first radius from the axis. The bottom portion is spaced from the axis as defined by at least a second radius from axis. The second radius is greater than the first radius so as to reduce an electric field intensity on the bottom portion of the body and thus reduce effects of foreign particles within the interior volume, regardless of phase rotation.