Abstract: A system for providing electrical energy and related components is provided. More specifically, a universal module that is adapted to fit within a junction box commonly found in building construction is provided. The wire cable associated with a dwelling, for example, is interconnected to the module, which provides a plurality of locations for receipt of corresponding electrical connectors of an outlet or switch. The modules quickly and safely receive an electrical component, which reduces time and associated costs related to electrical system installation, repair, or modification.

Abstract: A modular electric power distribution system transmits power between a power source and control modules for power consumers. The system includes a power distribution unit mounted on each module and bridge assemblies which connect adjacent distribution units.

Abstract: An electric switch includes a movable contact, a stationary contact to be contacted by the movable contact, one or more quenching plates, and a permanent magnet for directing an arc, which is formed when the contacts are separated from each other, to the quenching plate. The quenching plate has a base portion and side portions extending away from the base portion. The permanent magnet is arranged such that the arc is directed towards one of the side portions of the quenching plate.

Abstract: A bus system for a load center includes a bus bar having a plurality of integrated bus stabs and has superior thermal characteristics for the amount of conductive material used. The bus bar and the bus stabs are formed as a unitary piece from a single sheet of conductive material. Each bus stab includes a folded portion with a plug-on section to receive a connector from a circuit breaker. The folded portion is formed with two opposing edges from flanges of the integrated bus stab which are folded and configured to be engaged by the connector, and forms a central channel, typically with a substantially U-shaped cross section. The folded portion further has a tapered folded section between the bus bar and the plug-on section. The bus system can be manufactured by cutting out the unitary piece with the bus bar and integrated bus stabs from a sheet of conductive material, and then stamping it to form the folded portion on each bus stab.

Abstract: A circuit interruption device includes at least one constriction zone. The constriction zone provides for interference with arcing of an electrical signal. The device may include at least one expansion zone. The device may include at least one movable component to assist in creation of the at least one constriction zone. A method of fabrication is provided.

Abstract: The present invention relates to a supporting structure of a closing resistor for a high voltage circuit breaker, capable of stably supporting the closing resistor not to be twisted even by an impact applied upon a closing operation. A supporting structure of a closing resistor for a high voltage circuit breaker according to one embodiment includes a fixed part main circuit conductor, a supporting conductor installed on an upper surface of the fixed part main circuit conductor, a connecting conductor connected to one end of the supporting conductor, a closing resistor unit coupled to one side of the fixed part main circuit conductor in a spaced manner, and a coupling conductor provided to couple the supporting conductor to the closing resistor unit. The supporting conductor and the connecting conductor are provided with a coupling rib and a coupling groove, respectively, to be coupled to each other in an inserting manner.

Abstract: A pole part of a circuit-breaker arrangement having an insulation housing for accommodating a vacuum interrupter insert containing a pair of corresponding electrical switching contacts, wherein a fixed upper electrical contact is connected to an upper electrical terminal molded in the insulation housing and a movable lower electrical contact is connected to a lower electrical terminal of the insulation housing via an electrical conductor which is operated by an adjacent pushrod. The lower electrical terminal is connected to a ring shaped heat transfer shield arranged along the inner wall or at least partly inside the wall of the insulation housing surrounding the pushrod and/or the distal end of the movable lower electrical contact.

Abstract: A circuit breaker including two contacts, a pressurization chamber, a nozzle arrangement designed to blow an arc in a quenching region, with a narrowest passage of a pressurization chamber outflow channel to be passed by outflowing quenching gas defining a pressurization chamber outflow limiting area, a narrowest passage of a nozzle channel to be passed by outflowing quenching gas defining a nozzle outflow limiting area, the smaller area of which defining an absolute outflow limiting area, with quenching gas having a global warming potential lower than the one of SF6 over an interval of 100 years; wherein a ratio of the pressurization chamber outflow limiting area to the nozzle outflow limiting area is less than 1.1:1.

Abstract: A socket package is provided to be positioned between a circuit package and a printed circuit board (PCB). The socket package includes a plurality of interconnects, to connect portions of the circuit package to portions of the PCB. Additionally, a plurality of capacitors are included with the socket package. The capacitors connect the interconnects provided to the socket package, and may be provided in lieu of capacitors in a circuit package, thus decreasing the complexity and build cost of the circuit package.

Abstract: A vacuum interrupter is disclosed with transition areas between metal housing parts and ceramic housing parts covered by insulating material. To enhance dielectric performance and field grading behavior, the insulating material can extend as a tube or a multilayer tube design over at least nearly a complete length of the vacuum interrupter or vacuum device arrangement. The insulating material can be filled or at least covered at an inner surface which comes into close contact with the vacuum interrupter or vacuum device surface, with metal and/or conductive metal oxides.

Abstract: A protective cover for a connector is described herein. In one example, the protective cover can include an angled outer shell to envelop a connector, and a locking mechanism to prevent the angled outer shell from retracting to expose the connector. The protective cover can also include a plunger assembly coupled to a magnet, the magnet to disengage the locking mechanism to expose the connector, and a set of springs to return the angled outer shell to a locked position.

Abstract: A female fuse terminal is provided with a longitudinally extending blade portion sized to be received within a socket. An intermediate portion extends from the blade portion and extends at an acute angle from a longitudinal direction of the blade portion. A female portion is sized to receive a fuse blade, and extends from the intermediate portion such that the female portion is offset parallel to the blade portion. A printed circuit board assembly is provided with a (PCB) having a socket sized to receive the terminal.

Abstract: A power switching apparatus comprising a vacuum interrupter assembly and a switching assembly connected in parallel between a pair of terminals, each of the terminals being connectable in use to an electrical circuit. The vacuum interrupter assembly includes at least one vacuum interrupter having a pair of electrically conductive rods connected at a first end to a respective one of the terminals and extending at a second end into a vacuum tight enclosure. A first electrode is mounted at or near the second end of a first of the electrically conductive rods and a slotted coil including a support base mounted at or near the second end of a second of the electrically conductive rods. A second electrode is mounted on an inner surface of the slotted coil and a third electrode is mounted on the support base.

Abstract: Adapters for OBD ports of a vehicle may include mechanisms for identifying the adapter (e.g., determine the manufacturer and/or type of the adapter) to an OBD device that is being used with the adapter. In one implementation, a male OBD connector of an OBD device may include a set of upper pins, a set of lower pins, and a middle portion, disposed between the set of upper pins and the set of lower pins, the middle portion including one or more pins. Identification logic, of the OBD device, may include a sensor connected to the one or more pins, to sense one or more values corresponding to a type of the compatible adapter.

Abstract: Disclosed is an ECG electrode lead wire connector which provides improved electrical and mechanical coupling of the ECG electrode press stud to the lead wire and is suitable for use during imaging procedures such as, without limitation, CT scans or MRI. The connector assembly includes a housing having. An engagement member is pivotably disposed within the housing to retain the connector on an ECG electrode fixed to a patient's body, an arcuate stiffener is deposed between the engagement member and a pivot member and a radiolucent resilient member configured to bias the engagement member.

Abstract: Circuit interrupter having an arc extinguisher which functions to arrest an arc between its contacts regardless of the polarity of the contacts. The circuit interrupter includes one or more permanent magnets configured to drive an arc into the arc extinguisher. The arc extinguisher may include two arc paths, each including arc splitter plates. The two arc paths may be adjacent, each extending in a parallel direction. The arc paths may alternatively be non-adjacent, each extending in a perpendicular direction.

Abstract: Connector receptacles that have a reduced height when combined with a printed circuit board and reduce wasted space inside an electronic device. One example provides a connector receptacle having contacts that may connect to edge contacts along an edge of a printed circuit board. This edge may be formed along a side of printed circuit board, by a hole or opening in a printed circuit board, or by a notch in a printed circuit board. Edge contacts may have straight surfaces, rounded surfaces, or they may have other types of surfaces. Connector receptacle contacts may have a “U,” fishhook, or other shape.

Abstract: An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board.

Abstract: A fixing device for fixing an electrical connection terminal to a support having a first side, a second side opposite to the first side, and defining a through hole of a first diameter. The fixing device comprises: a ring including a receiving portion partially defining an axial recess and insertable in the through hole; a dowel including an insert portion axially insertable into the recess of the ring and a locking portion axially spaced from the insert portion, the dowel partially defining an axial bore including an internal thread, and in the locking portion the internal thread of the bore is a distorted locking thread; and a fixing screw including a threaded shank engagable with the dowel. Tightening of the fixing screw draws the insert portion of the dowel axially into the recess of the ring, thereby radially expanding the ring into press-fit engagement with the through hole.

Abstract: A circuit breaker, or transformer, or insulated bus for use with AC voltages greater than 30 kilovolts and AC currents greater than 400 amperes includes an elongated bushing made from electrically insulating material and having first and second ends. The first end of the bushing is coupled to a main enclosure of the circuit breaker, or transformer, or insulated bus and a terminal pad is coupled to the second end of the bushing. A conductor is disposed in an internal cavity of the bushing in spaced relation to an internal wall of the bushing that defines the internal cavity. The conductor includes first and second segments. A first end of the first segment is electrically connected to a contact of the circuit breaker, or transformer, or insulated bus and a first end of the second segment is electrically connected to the terminal pad. Second ends of the first and second segments are coupled together with a biasing element interposed between the second ends of the first and second segments.