Abstract: A semiconductor device package includes a first passive component having a first surface and a second passive component having a second surface facing the first surface of the first passive component. The first surface has a recessing portion and the second surface includes a protruding portion within the recessing portion of the first surface of the first passive component. A contour of the protruding portion and a contour of the recessing portion are substantially matched. A method of manufacturing a semiconductor device package is also disclosed.

Abstract: A DC contactor with dual micro switches, characterized in that, comprising: a coli, a push rod and two micro switches, the two micro switches are respectively installed at two predetermined positions in the contactor, the push rod is provided with two toggle arms respectively matched with the two micro switches, when main contacts of the contactor are in contact, the two micro switches turn on or off or convert contact by the toggle arms of the push rod according to a predetermined means.

Abstract: A module for a sensor box for automation devices and a respective sensor box includes a containing body, an electronic circuit housed inside the containing body and is designed to define a so-called master module, or a so-called slave module. The module also includes one or more main electric contacts emerging from a first side of the containing body, at least one passage for a respective connecting cable for the connection to an outside device and one or more openings, each arranged on a second side of the containing body which is opposite to said first side. The main electric contacts and the openings are arranged in corresponding positions on the first side and on the second side, so that all the main electric contacts emerge from the first side in a position corresponding to that of at least one opening on the second side.

Abstract: A wire connection accessory is disclosed that includes a mounting structure formed thereon configured to mate with an existing mounting feature provided on a “host” electrical switching component or “host” operator switch present within an electrical enclosure/assembly is disclosed. The wire connection accessory comprises a component whose mechanical and electrical state does not change response to functioning of the host device to which it is mounted. The host electrical switching component or operator switch includes a first mounting feature formed on an external surface thereof so as to serve as a host device. The wire connection accessory includes a second mounting feature mateable with the first mounting feature to selectively affix the wire connection accessory to the host device.

Abstract: An interchangeable connection module for electrically connecting an electrical switching unit to an electrical installation includes a connecting part and an actuation button. The button is translatably movable between a rest position and a pressed position in order to move a corresponding deformable elastic strip into a depressed position thereof when the module is connected with the unit and the button is moved into the pressed position thereof. The connection module includes a locking device that is capable of cooperating with a locking interface of the unit, it being possible to actuate this locking device with the button.

Abstract: A module for the interconnection between an electrical circuit breaker and an electrical contactor includes a housing and multiple high-power electrical conductors that are housed inside the housing, each of the high-power electrical conductors being suitable for electrically connecting an electrical output of a circuit breaker to an electrical input of a contactor, in order to allow a supply electric current to flow from the circuit breaker to the contactor. The interconnection module additionally includes a device for measuring the current, which device is suitable for measuring the values of the current that flows through the high-power electrical conductors, and an electronic processing unit, which unit is equipped with an interface for connection to a data bus and which unit is programmed to transmit the values measured by the measurement device to the data bus.

Abstract: The invention relates to a power circuit breaker that is suitable for switching electrical voltages. The power circuit breaker according to the invention comprises two main electrodes, to each of which a respective pole of the voltage to be switched can be connected. During the switching process, at least one of said main electrodes follows a switching path. The power circuit breaker is characterized in that secondary electrodes are additionally provided, which protrude into the vicinity of the switching path and are designed and arranged in such a way that arcs can be produced (a) between the main electrodes and the secondary electrodes and (b) between the individual secondary electrodes during the switching process. The power circuit breaker according to the invention can be advantageously used in vehicles and in ultra-high-voltage AC and HVDC (high-voltage direct current) transmission systems and causes arcs to be extinguished as early as possible during the switching process.

Abstract: A part engaging structure having sufficient intensity while reducing the use amount of material, and having high positioning accuracy is provided. An engaging structure allows a protruding portion formed at a first part to be received by a receiving portion formed at a second part and engages the first part with the second part. The protruding portion is formed of a structure body having a plurality of ribs combined in a polygonal shape lacking part of sides, and at least two of corner portions of the polygon of the structure body contact an inner surface of the receiving portion.

Abstract: A circuit breaker is described herein. The circuit breaker comprising: a first plurality of electrical wires to the circuit breaker; a strain relief connecting the plurality of electrical wires to the circuit breaker; a securing mechanism attaching the strain relief to the circuit breaker; and a plurality of tethers attached to the circuit breaker positioned over the strain relief.

Abstract: A socket includes a tubular frame body into which a base part of an electric lamp bulb is to be inserted, the frame body in which a terminal metal fitting to be electrically connected with the base part is to be provided, the frame body having a side wall formed with two slits and formed with an arm piece between the slits, the arm piece which has a first face to be opposed to the terminal metal fitting and a second face opposite to the first face, the side wall formed with a butting face, when the arm piece is deformed outward of the frame body, a part of the second face of the arm piece is in contact with the butting face.

Abstract: An electrical switching apparatus housing assembly for an electrical switching apparatus assembly is provided. The electrical switching apparatus housing assembly including a body assembly and a movable door member. The body assembly includes a number of outer sidewalls. The outer sidewalls define an enclosed space. The outer sidewalls include a top sidewall. The top sidewall includes a limited opening to the enclosed space. The movable door member is movably coupled to the top sidewall. The door member is movable between an open, first position, wherein the door member is not disposed in the limited opening, and a closed, second position, wherein the door member is disposed in the limited opening.

Abstract: A socket includes a tubular frame body into which a base part of an electric lamp bulb is to be inserted, the frame body in which a terminal metal fitting to be electrically connected with the base part is to be provided, the frame body having a side wall formed with two slits and formed with an arm piece between the slits, the arm piece which has a first face to be opposed to the terminal metal fitting and a second face opposite to the first face, the side wall formed with a butting face, when the arm piece is deformed outward of the frame body, a part of the second face of the arm piece is in contact with the butting face.

Abstract: A modular test switch assembly includes a plurality of stackable features that may be arranged in a variety of configurations. Each module includes a test switch and includes features to engage adjoining modules in the assembly. The entire test switch assembly is secured together using a retaining rod that is inserted through aligned thru-holes in the assembly.

Abstract: An arrangement including at least two separate switch pole housings and a joining facility for joining the switch pole housings. Each of the switch pole housings forms an insulating enclosure of a switching space for receiving a single switch pole of an electric switching device. A side wall of a first switch pole housing, facing a second one of the switch pole housings, includes at least one recess for receiving at least one joining device of the joining facility. The at least one recess forms a first undercut with respect to a side wall and a first locating surface in parallel with a front wall of the housing. The at least one joining device engages behind the first undercut and is braced against a first locating surface.

Abstract: Push-button switch unit with a display device that includes a display device (3) housed in a push-button casing (4, 5) movably housed in a base casing (1). The display device (3) has a luminous display area (21) on a support plate (22) asymmetric thereto. The push-button casing is asymmetric relative to a viewing window (23) thereof, through which the luminous display area (21) is visible. The base casing (1) has a side opening (15a) to accommodate the push-button casing without the latter protruding laterally. The base casing (1) has a frame (2) attached having a bevel (16) formed around an opening (14) aligned with the viewing window (23). The bevel (16) has regular width around the entire opening (14) and protrudes laterally a regular distance from all sides of the base casing (1).

Abstract: Modular soft starters are disclosed having a plurality of soft starter modules with stacked SCRs and heat sinks for accommodating a single phase of a three phase motor, where the modules may be connected serially for starting each phase of a higher voltage motor, and where the modules can be mounted in a cabinet in a variety of different orientations to facilitate optimized cabinet space utilization.

Abstract: An auxiliary contact block is disclosed for expanding a switching device and to a switching device having at least one auxiliary contact block. A compact auxiliary contact block, i.e. a block requiring little wiring and space, for a switching device is disclosed, and a switching device having at least one auxiliary contact block. In at least one embodiment of the auxiliary contact block, the auxiliary contact block includes auxiliary contacts disposed in a plane, the contacts having contact bridges and associated fixed contact pieces, and at least one contact slider, which can be equipped with at least one auxiliary contact pair. The configuration of the auxiliary contacts in a plane as described herein allows a very small installation size and very little wiring complexity of the auxiliary contacts in a simple manner. The actuating unit can, for example, be configured as a slider that couples the contact slider and the switching device with each other.

Abstract: A plug-in unit includes a breaker electrically connected with a busbar at a power supply side and an electric device electrically connected with the breaker. Joint surfaces making contact with each other are formed at the breaker and the electric device, respectively. The breaker includes a terminal metal fitting connecting the busbar thereto and a plug-in terminal metal fitting installed at the joint surface of the breaker, and the electric device includes a plug terminal, which is installed at the joint surface thereof and capable of being connected with the plug-in terminal metal fitting. The breaker is detachably joined with the electric device by an engaging member including an engaging unit and an engagement receiving unit. The engaging unit and the engagement receiving unit are installed at the joint surfaces of the breaker and the electric device, respectively, and detachably engaged with each other.

Abstract: Disclosed is a frame for a circuit breaker, including: a plurality of unit frames having a plurality of inner spaces, and a connection unit coupled between two adjacent unit frames among the unit frames and connecting the two unit frames to each other, thereby reducing the manufacturing cost as well as facilitating its manufacture and reducing the manufacturing time.

Abstract: A load center is equipped with a neutral phase conductive rail with breaker mounting and retention features providing automatic neutral connection for a plug-on mounted AFI and/or GFI circuit breaker. Breakers may be designed to have specific interfaces to the breaker mounting and retention features of the load center rails. The neutral rail may have two pieces including a breaker undercut positioning rail shorted to a standard neutral rail, or a neutral rail may be designed to have all mounting features integrated therewith. The new panel is compatible with non-AFI and non-GFI breakers.

Abstract: Modular soft starters are disclosed having a plurality of soft starter modules with stacked SCRs and heat sinks for accommodating a single phase of a three phase motor, where the modules may be connected serially for starting each phase of a higher voltage motor, and where the modules can be mounted in a cabinet in a variety of different orientations to facilitate optimized cabinet space utilization.

Abstract: A transfer switch configured particularly for use with traffic signal controllers, to enable a traffic signal controller to be powered by a portable electrical generator, when utility line power is unavailable. A housing, configured to be mounted either on the surface of a traffic signal controller cabinet, or recessed into an opening of the cabinet, so as to be flush to the surface thereof, is provided. The housing is configured to be substantially weatherproof without requiring the use of gaskets.

Abstract: The present invention relates to an auxiliary contact block. The auxiliary contact block has a housing and a tool free latching mechanism. The tool free latching mechanism has a stationary member integral to the housing and a latching bar.

Abstract: An electrical switching device which enables an electrical system, particularly a power distribution system, is structured rationally and simply. The switching device, in particular embodied in the form of a rail-mounted device, contains a housing and, included therein, a switching unit for interrupting an electrical circuit, and a supply connection for feeding a current to the switching unit. The supply connection has a first coupling contact for connecting to a current busbar, a load connection for connecting a feed conductor of a load circuit to the switching unit, and a return connection which has a connecting terminal for connecting to the return conductor of the load circuit and a second coupling contact connected to the connecting terminal inside the housing for connecting to a second current busbar.

Abstract: The invention relates to a connector element for two installation breakers, adjacently attached with the broad faces thereof in contact, in particular, power breakers or residual current breakers, the housings of which are each formed from two dished housing pieces. The connector element comprises an approximately cylindrical base body with a first external diameter on the front side of which two radially-sprung, axially projecting first and second expanding arms are moulded. The external contours of the spreader arms lie on a cylindrical outer surface, the external diameter of which is smaller than the first external diameter of the base body. The free ends thereof comprise radially projecting lugs on opposed external lines, which, in the assembly state, clip behind recesses on the housings, for connection by means of the connector element, of adjacent installation breakers.

Abstract: A method for restricting travel of a moving contact in a lighting contactor is provided. The lighting contactor includes the moving contact and a contact carrier. The method includes the steps of providing a spacer, and a biasing member and positioning the biasing member though the spacer. The method also includes installing the biasing member and the spacer in the contact carrier.

Abstract: A switch assembly is described having one or more switches and a holder. The switches are preferably of a pushbutton type having an outwardly extending flange. The holder includes a cover and base with a pair of upright arms. The cover includes a three-sided opening. As assembled, the upright arms receive a switch and the combination is received in the three-sided opening of the cover. A switch subassembly is further described having a circuit board and quick-disconnect unit. Such improved switch and switch subassembly allow a technician to quickly change out a defunct alarm system switch.

Abstract: An add-on unit for coupling to a main electrical appliance with separable power contacts, including a housing having a front face and a rear face, and for mounting frontally against or into such main appliance, wherein the front face includes first connections having an input-output function for connection with communication conductors for communicating with a device for control and monitoring of such main appliance, and second connections having an output function for connection with communication conductors for communicating with command input terminals of such main appliance, wherein the first connections are pins located in a connector on the front of the housing, the first connections comprising signal input connections to command such main appliance and signal output connections for signalling a status of such main appliance.

Abstract: A novel unipolar design of Secondary Isolating Contacts for Circuit Breakers which provides flexibility to build schematic logistics by exploiting programmability of the design and which is flexible for subsequent addition or deletion or replacement of SICs with minimum efforts.

Abstract: A connecting apparatus is provided for connecting a number of components, in particular for connecting the enclosure parts of circuit breakers. It includes a connecting element which has a shaft which passes through through-openings which are aligned with one another in the connection of the components, having an insertion end and having a holding end opposite it. In order to achieve firstly centering and secondly a turning or twisting distance which is as short as possible when the connecting element is twisted in order to brace the components, a first mounting depression, which holds the holding end and is aligned with the through-openings, as a centering cone, with the holding end being conical, forms a mating surface which corresponds with the centering cone.

Abstract: The housing of the add-on unit presents on the front, on its face 31a, input-output connections 33 suitable for the connection of communication conductors, particularly to a bus cable, to assure linkage of the appliance with a command and monitoring device. It also comprises connections 35 with an output function which enable the connection of conductors for linkage with the command input terminals of the equipment.

Abstract: A novel unipolar design of Secondary Isolating Contacts for Circuit Breakers which provides flexibility to build schematic logistics by exploiting programmability of the design and which is flexible for subsequent addition or deletion or replacement of SICs with minimum efforts.

Abstract: A waterproof switch has a head having two feet inserted in a socket. The socket has a plurality of blades formed at a bottom of thereof and extending downwards. A fastener is formed in the socket and the feet are attached to the fastener. A bottom seat is mounted under the socket. The seat has a plurality of chambers defined therethrough to receive the blades. A block is movably received in the seat and aligned with the fastener. The block has a tongue formed at a top thereof and tapered from a bottom to the top.

Abstract: An electrical switching system comprises a main housing enclosing an actuable apparatus including an actuator extending outwardly of the housing. A contact housing encloses an electrical contact and a pusher selectively actuable by the actuator to operate the contact. A mortise is provided on one of the main housing and contact housing and a tenon is provided on the other of the main housing and contact housing for joining the contact housing to the main housing. A snap lock resiliently locks the contact housing to the main housing.

Abstract: A service switching device of the cap type is described, and has an auxiliary switch which contains a microswitch and is fitted on a rear narrow face. The service switching device has a groove or strip running parallel to the narrow face on each of the broad faces adjacent to the rear narrow face wall. Wall sections are integrally formed on the rear wall of the auxiliary switch housing, project parallel to the broad faces in the direction of the narrow face, and are matched to the grooves or strips, such that the auxiliary switch housing can be mounted on the service switching device by pushing in from the front towards the mounting plane, with the microswitch at right angles to the mounting plane on the narrow face, and with the projections or strips which are integrally formed on the wall sections sliding in the grooves or strips.

Abstract: A customizable, modular circuit breaker housing assembly having an optimized compact form factor for use with electrical and telecommunications equipment. The housing assembly is comprised of an interlocked arrangement of individual housing portions coupled at one end to an end housing portion, and to an end panel portion at an opposite end. The end housing portion and individual housing portions include a load bus chamber and a line bus chamber for receiving load and line bus members, and one or more alarm contact member receptacles for receiving at least one alarm contact member. The line bus member and the alarm contact members may be provided as individually segmented members. In other embodiments, the individual housing portions may include pass-through slots for inserting a common line bus bar, pass-through apertures for common contact members, or both. The line and load bus members are formed of extruded metallic members having substantially the same cross-sectional surface.

Abstract: An electrical service switching device includes a contact point, a moveable contact piece, an auxiliary switch associated with the contact point and having a coupling element and an auxiliary switch contact point coupled to the moveable contact piece, the coupling element actuating the auxiliary switch contact point, and a T-shaped housing. The housing has a transverse web with two trailing narrow-side walls and a fastening surface perpendicular to the two trailing narrow-side walls, a longitudinal web with a leading front surface parallel to the fastening surface, leading narrow-side walls on both sides of the leading front surface, the leading narrow-side walls perpendicular to the leading front surface, and two trailing front surfaces parallel to the fastening surface. At least one of the two trailing front surfaces connects the transverse web and the longitudinal web. The auxiliary switch is releasably attachable to the housing.

Abstract: A flat foot switch unit has a surface has a slippage-preventing measure. In this, a foot switch section has a four-sided surface shape and step-motion-detectable foot switches internally formed in nine regions by dividing the surface shape in 3×3. Furthermore, the foot switch section has slippage-preventing linear grooves at least in the regions on the surface of the top layer of a first sheet unit, which is part of the surface shape, and in which the foot switches are arranged.

Abstract: A modular circuit breaker system includes a plurality of modules mounted side-by-side. The modules include electrical terminals for connection to live and neutral conductors of an electrical supply. Rigid metallic conductors extend between the modules for connecting electrical circuitry of one module to the electrical circuitry of the other module. Each conductor is removably engaged with electrical contacts mounted within the respective modules.

Abstract: A connecting element is provided which has integrated catches in the area of the engagement sections, so that after they are inserted into engagement grooves have a matching shape on the individual contactors, the catches are engaged on a housing contour. Due to this design, when the individual contactor is screwed onto a base plate, dislocation of the connecting elements and migration to the base plate is prevented.

Abstract: The invention concerns a horizontally divided switchgear, including compartments for high voltage and for cable connection. The cable connection compartment is common to one or more switchgear cubicles and is a compartment separated from the high voltage compartment(s) of the cubicle(s). In the switchgear is included one or more switchgear cubicles defined by vertical (12, 13, 14) and horizontal (15, 16) walls. The cubicle is arranged with only high voltage equipment, while connection means (18) for incoming and outgoing current cables are arranged exteriorly underneath the lower horizontal wall (16) of the cubicle. Bushing means (17) for cable conections are arranged in the lower horizontal wall (16).

Abstract: A modular electrical fitting suitable for the instrument panel of a motor boat, has a plastic housing 8, 9, 10, having a rectangular foot print, with each side having a shaped upper edge, and a connection cavity 11 positioned in the uppermost portion of each side edge, so that the modular unit 8, 9, 10 can be connected together by means of a resilient joining device 13, which can be pushed in place to physically connect two of the modular units together as shown between units 8 and 9. This enables the modular units to be held together from above, whilst the underside of the units can be connected together by brass bus bars or the like to provide a secure electrical connection between adjacent units, so that the modular units can be connected together box physically and electrically. Each of these modular units 8, 9, 10, etc can be provided with a switch, fuse, or other electrical component, so that the modular units can be connected together to form an entire switchboard or instrument panel.

Abstract: An illuminated pushbutton has a display assembly which is movable relative to a fixed part containing a switch assembly. The display assembly contains a plurality of solid state light generating devices which can individually or in combination provide illumination with variable coloring characteristics. A flexible circuit element connects these devices to electronic circuitry in the fixed part which controls the coloration of the display.

Abstract: A connection block assembly for a waterproof switch is disclosed, which includes a connection block which has two holes defined on one surface each corresponding to one locking prong of awaterproof switch, two locking grooves defined on each side of the connection block assembly and corresponding to a locking rails extending from the switch body such that the waterproof switch can be connected to two switch bodies by the connection block assembly.

Abstract: Output-motor assembly comprising output elements assembled side by side on at least one socket (S), each element comprising switching devices (1, 3, 40) connected to corresponding connectors (50, 51, 52) on a printed circuit placed in the socket, the said connectors being connected to an input side connector (6) in the circuit fitted with groups of connection pins (D1-D8, C1-C8, R1-R8). The input side connector (6) comprises pins used for switching devices of socket (S) connected in a pin order corresponding to the order of the locations of elements on the socket, and pins useable for switching devices in at least one adjacent socket (S). The printed circuit (C) comprises an output side connector (7) with groups of connection pins identical to the groups on the input side connector (6), the useable pins on the input side connector (6) being connected to the same number of the first connection pins on the output side connector (7), in the same order.

Abstract: Rotary-controlled multipole electric switch fitted with a handle (4) and a housing (1) in which a cam device transforms the rotation of the handle into a translational movement of contact bridges (21). In order to ensure coordination between a cylindrical control core (13) and a slider 16 bearing contact bridges, the cam device is fitted with at least two notches (19, 20) offset around the axis of rotation X of the knob (4c), and with a control projection (14) applied respectively to the bottom of one notch in the OFF position and to the bottom of the other notch in the ON position by the force supplied by springs (24) acting on the slider and contact pressure springs (22).

Abstract: A molded case circuit breaker base is configured to receive pole modules that include the circuit breaker components for mutipole operation. The base is configured to receive the bottom edges of the module enclosures in press-fit relation. A complementary molded case circuit breaker cover attaches to the top of the modules to complete the multipole circuit breaker enclosure.

Abstract: A control or signaling device such as a push-button or an indicator lamp including one or more electrical units attached to a base is disclosed. The electrical unit (30) and the base (20) include a rigid projection (40) and a hook (50), e.g. a U-shaped hook, and a retaining shoulder (23) and a recess (25) coacting therewith, respectively. The hook is preferably resiliently biased in a direction parallel to the mutual engagement surfaces (32, 27) of the unit and the base, and extends in the same direction as the projection.

Abstract: A molded case circuit breaker is taught with a housing base and a primary cover disposed on the housing base. The primary cover has a recess therein for an auxiliary module which is disposed in the recess. A secondary cover is disposed on the primary cover for covering the recess when the auxiliary module is disposed therein. In order to secure the auxiliary module underneath the secondary cover in the recess of the primary cover, the module has deposed thereon a locking protrusion which is complimentary with a locking opening in the primary cover. The locking protrusion is flexible and has a longitudinal central bulge so that as the protrusion is pressed inwardly into the opening, the bulge causes the flexible protrusion to reduce diameter due to the presents of longitudinal slots therein until the bulge has passed the opening in which case it springs outwardly toward its normal position thus securing the protrusion in the base.

Abstract: A motor starter assembly made up of sub-assemblies each formed from a circuit breaker 40 and a contactor 60 and positioned on a baseplate 20 with which a set of power bars 23 is associated. The baseplate includes a support area 21 for the sub-assemblies and a connection are preferably a bracket 22 that is overhanging in relation to the support area. The baseplate further includes power connection elements and or control connection elements provided on the bracket and the connection area to permit plugging in of the sub-assemblies on the baseplate along an engagement direction Z approximately parallel with the support area and perpendicular to a direction X of a set of bars.