Abstract: An assembly of electrical equipment having devices, such as circuit breakers and contactors grouped in pairs, included on a supporting baseplate. Each pair of devices includes a circuit breaker 40 and a contactor 60 and a baseplate 20 having power pins and control pins that cooperate with respective power and control terminals of the devices. Auxiliary units 50,70 are fixed to one of the devices 40,60 while being connected to control terminals 45,65,66 of the one device. The units 50,70 are connected to a linkage with a bus or a control and command system by plugging units 50,70 into control pins 81,82 of the baseplate 20.

Abstract: A power disconnect switch having a generally parallelepiped base with first and second electrical conductors mounted thereon. A switch piece pivots on one of the electrical conductors to connect to the other electrical conductor. The switch piece has an insulated handle, and a projection extends from the handle. The projection has a shape which allows it to fit snugly into a holder tool, and this allows an operator to open the switch without danger of electrocution. An angled insulating plate which fits next to the parallelepiped base has a side portion which insulates the switch from adjacent switches, and a bottom portion which insulates screws in the parallelepiped base from a metal panel, shelf, or box, on which the switch may be mounted.

Abstract: An improved contactor control system comprising several modules, such as a contactor module, an overload/controller module, a communication module, a bell alarm module, and a power terminal module which are electrically interconnected through a plug-in unit, and mechanically interconnected through one or more snap-in units, and which modules can be interchangeable and arranged relative to the overload/controller module according to a particular industrial application.

Abstract: An automotive steering column switch arranged on the end of a jacket (7) accommodating the steering column (8) and featuring several separate switches (12) consisting each of a casing (5, 15) with electrical connectors (13) and an actuating member (3, 16), at least one separate switch (2) can be slipped on the other separate switch (1) against the force of a spring (20) and with interaction of appropriate guiding means (19). The limit position of the separate switches (1, 2) relative to each other is fixed by a releasable clip connector (21).

Abstract: A single- or multi-pole circuit breaker has a housing that includes a housing shell and a closure shell attached thereto to form a hollow chamber. The closure shell and the housing shell each having an inside wall surface extending parallel to a shell plane. The circuit breaker includes n-1, where n is an integer greater than 1, intermediate housing shells inserted between the housing shell and the closure shell, and having first and second wall surfaces corresponding to the housing shell wall surface and the closure shell wall surface, respectively. The first wall surface faces the closure shell wall surface, and the second wall surface faces the housing shell wall surface to form n hollow pole chambers. A switching mechanism for tripping the circuit breaker includes a switch lever located within each pole chamber. The switch lever has at least one of a trip lever and a latching lever.

Abstract: A modular switching-element block which comprises at least one base body having plug-in locations for switching elements, such as electrical switches, and is fitted with a base body which is split into a plurality of base-body modules which can be plugged into one another. In comparison with a common base body, this arrangement makes possible greater variability of the number of plug-in locations, with respect to freely selectable special fits with switching elements, and reduces the advance-provision cost for a standard fit.

Abstract: A switch module includes a plurality of individual switches (2), each having a base (3), which are arranged next to one another in a common holder on the same plane. The bases (3) are embedded in a common base (4) produced by encapsulating in a plastic. The bases (3) can be fixed to one another before encapsulating by means of plug-in connecting parts. The common base (4) has fastening claws (5) arranged on both sides, the talon ends of which are designed as enlargements (6). The sealing surface (17) has no mold-parting flash.

Abstract: A switch operator, such as a manual push button, mounts a latch onto which are mounted up to four cartridges. A pair of laterally opposed arms of the latch receive each cartridge between them, and lock the cartridge to the latch. Each cartridge has four lips, two for each arm, which engage a pair of spaced apart locking surfaces on each arm. Each arm fits between the two lips it engages, and each cartridge has a pair of feet which fit into a pair of pockets in the latch. A contact cartridge has a follower, and the follower and feet are both positioned to one side of the cartridge, and the feet cooperate with the pockets to insure proper orientation of the cartridge in its position on the latch.

Abstract: The invention concerns an arrangement to couple an auxiliary switch mechanism to an electrical switchgear unit, preferrably a contactor, with a contact slide piece onto which the moving contact pieces are mounted, and a switchgear housing onto which the switchgear fixed-mounted contact pieces are mounted. The contact slide pieces of the switchgear unit and the auxiliary switch mechanism are mounted so that they can slide transversely to the direction of connection. A projection of the auxiliary switch mechanism is positioned in a cutout of the contactor in an interlocking fashion. The connection of contact slide pieces similarly takes place in a positive, interlocking fashion. A lock makes an effective connection with the position of the contact slide piece in the auxiliary switch mechanism, thereby preventing the removal of the auxiliary switch mechanism when the unit is switched on.

Abstract: A combination of a burner control device and electrical switch unit, parts therefor and methods of making the same are provided, the combination comprising a burner control device having a rotatable selector shaft and an electrical switch unit carried by the device and being operated by the selector shaft, the device having a cover secured thereto by a plurality of screws each having a head, the switch unit having a plurality of cavities therein respectively receiving the heads of the screws therein, at least one of the cavities having a snap-fit structure therein that is snap-fitted to its respective head to hold the switch unit to the device.

Abstract: A circuit breaker auxiliary device is housed in its own separate enclosed container and is accessible by a drive pin through an opening in the container mounting surface. A drive pin is inserted into an opening in a circuit breaker housing mounting surface. The container is snap-fitted flushly to a side of the circuit breaker housing. The internal trip mechanism of the circuit breaker and the operative mechanism of the auxiliary device communicate via the drive pin cooperatively linked to each mechanism and operating through the aligned openings in the container and the circuit breaker housing.

Abstract: The load terminals of several side-by-side circuit breakers are formed from an initially flat configuration to define an offset laterally projecting flag portion that mates with another portion of an identical adjacent terminal to provide aligned openings, one of which is threaded, for receiving a conventional screw.

Abstract: An electric switch including a stator with a plurality of contact studs, a shaft moving inside the stator and having at least one contact stud cooperting with the studs of the stator and a connector comprising a plurality of juxtaposed pins with each pin connected to one of the contact studs of the stator. The connector is fixed against the stator, the pins being disposed at the periphery of the connector so that they surround the stator with each pin extending along the stator and the arrangement of the studs on the stator and that of the pins on the connector is such that one end of each pin faces the corresponding stud and is fixed thereto.

Abstract: A swich comprises pack-aligned switching units 9, each provided with fixed 30 and movable contacts 36 operable by a cam shaft 11 rotatably passing through the switching units 9 to close and break electric circuits to which said contacts lead off. The shaft is supported, at one free end thereof, by a terminal closure element 10 fixed to the switching units 9 and is connected, at its opposed end, to a trip mechanism 12 located in a trip unit 8 fastened to said switching units. The switching units, trip unit and terminal closure element constitute each a modular unit engageable with other modular units by restrained fixing and disengageable therefrom without bringing about the disassembly and division of said unit into its component parts. The cam shaft is comprised of several hub-shaped elements 40 consecutively engaged in a rotational direction and associated each with a switching unit.

Abstract: A multipolar rotary switch, in particular a cam switch, is constituted by a stack of wafers with the contact elements and the connection elements being received in chambers lying between end walls and intermediate walls. The end walls and the intermediate walls are provided in the form of molded parts (16) of thermoplastic material and these parts are mechanically assembled to one another and are rigidly fixed together. The molded parts (16) have lugs (50) which, during assembly, overlap the sides of the adjacent molded parts and latch behind projections (62) provided thereon. After latching, the lugs (50) are welded to the side walls of the molded parts (16) in order to provide an assembly which is rigid.

Abstract: A three-phase electrical ring main unit comprising a lower chamber module (30) having a wall structure formed from insulating resin material; three input contacts (35), one for each phase, mounted within the lower chamber; three lower switching contacts (37), each mounted within the lower chamber for movement between different switching positions; insulating closure means (55) closing the top of the lower chamber; three output contacts (49), one for each phase, carried by and exposed on a lower face of the closure means; three busbar contacts (59 to 61), each electrically connected to a respective output contact, carried by and exposed on an upper face of the closure member (55); an upper chamber module (31) having a wall structure formed from insulating resin material; means (32) securing the upper chamber above the lower chamber; three tee-off contacts (85), one for each phase, mounted within the upper chamber; and three upper switching contacts (83), each mounted in the upper chamber for movement between d

Abstract: A power distribution board includes a blind cover and main and shunt interrupters. A blind cover has an engaging tab disposed at one end for engaging an edge of the window, and a foldable engaging tab at the other end of the blind cover main body. The foldable tab holds, in cooperation with the engaging tab, the blind cover to the distribution panel board cover. The shunt circuit interrupters are mounted in a side-by-side relationship with an insulating partition wall interposed therebetween. The partition wall is accommodated within recesses in the side surfaces of the interrupters, so that dielectric breakdown does not ocur around the gas exhaust ports. One side of the main circuit interrupter is secured to a base plate by the rigidity of a connecting conductor while the other side of the interrupter is secured in a usual manner.

Abstract: An electric timing device having a split housing for the timer and motor mechanism separated by a cover which has a plurality of snap fingers engaging complimentary recesses in each component of the split housings. The positioning and shape of the fingers and recesses prevents unintentional separation of the split housing components.

Abstract: This invention relates to a combination multi-contact synchronous slide switch and in particular to one which may be accurately operated and easily assembled. The switch mainly includes a PC board, a sliding plate, a turning axis and two clipping rods. The sliding plate is pressed firmly against the PC board by the clipping rods. The sliding plate slides by way of a cog and a turning axle. The sliding plate can slide on the PC board assembly by way of a spring, a steel ball and several slipping holes on the PC board. A number of contact plates are clipped in concave channels formed at the back of the sliding plate. When the sliding plates slide, they are able to contact the corresponding points on the PC board to operate the switch. Further, the sliding plate is formed with convex and concave edges thereby enabling it to be easily interconnected with other sliding plates.

Abstract: A flow switch valve including a housing main body comprising a plurality of valve casings stacked contiguously and each having a fluid flow channel and a valve seat member, a valve member passing slidably through said valve casings and having valve bodies corresponding respectively to the valve heat members of the valve casings, a diaphragm disposed to any of the valve casings and supporting the valve member, and a signal generation device for detecting the position of the valve member in the housing main body and generating a detection signal. The valve member moves slidably depending on the change of the fluid pressure in the chamber partitioned by a diaphragm, by which valves for the fluid flow channels in the plurality of valve casings are opened or closed interlocking therewith and, at the same time, a detection signal for the position of the valve member is generated.

Abstract: A control button unit with a block element design includes an actuator (1) having a manually operable plunger (6), which is preferably cylindrical and hollow for the purpose of interior illumination, and a coupling piece (9) having several plug-in locations for receiving electrical block elements (10 and 12) parallel and next to one another. The block elements may include a pair of switching elements (10, 12) with differing contact arrangements and a lighting element (11) to illuminate the interior of the plunger. The block elements have movable members (15, 19) contained therein so that they can be coupled to one another and moved in unison when the plunger is actuated. To provide such coupling the movable members (15, 19) have recesses and/or projections which cooperate to interlock the movable member of different block elements.

Abstract: Inner and outer electrical switches are attached in ganged face-to-face relation to a mounting plate by a screw which extends through two upper alined holes of the switches, by a pin which projects from the plate and into a lower hole of the inner switch, and by an L-shaped locking element having one leg extending through a lower hole of the outer switch and into the lower hole of the inner switch. The other leg of the L-shaped locking element is torsionally loaded and is adapted to be clamped between the head of the screw and the outer side of the outer switch.

Abstract: The switch of the invention includes, for each pole, an insulating case having two lateral dividing walls one of which forms part of an open pole housing and the other belongs to a closure element of the case. Each pole includes a contact opening mechanism with which is associated a common transmission piece for coupling said pole with an adjacent pole. This piece is mounted for rotation in a bearing formed in the lateral dividing wall of the case. It has at one end a male coupling element and at a second end a female coupling element, these elements being of complementary shapes for allowing engagement of adjacent and coaxial coupling pieces by fitting together.

Abstract: The rotary switch consists of a plurality of switch decks and is designed to be mounted on a support (2) by a mounting plate (3). At one of its ends it is operated by a control shaft (4) which actuates contacts by cams (5) located in switch modules (9,10). The moving members of a plurality of electrical contacts are also located in the modules stacked about the control shaft. The switch body is provided with two through holes (13, 14) aligned with the axis of the control shaft (4). One of the holes goes through the mounting plate (3) and the other through an end plate (12), at the opposite end of the switch from the mounting plate. Each through hole allows the shaft to rotate therein as required. The mounting plate (3) and end plate (12) includes a ring recess (15 or 16) for ring (17) serving to limit the angle of shaft rotation. One of the through holes includes a lock (19) for locking against axial movement the assembly formed by the shaft and the cams it controls.

Abstract: A switch gear which includes a housing have first and second sides and a third side therebetween, at least one main contact bridge in the housing displaceable between two ON-OFF switch position, a spindle rotatable by a handle and carrying a body having a cam slot receiving a cam follower of a contact bridge holder, the contact bridge holder carrying contacts for effecting the two switch positions with associated pairs of fixed contact rails carried by the housing, the fixed contact rails being connectable by connector screws to electrical hook-up leads at the respective first and second housing sides, first and second separate housing compartments adjacent the first and second housing sides and carried associated ones of the connector screws, the first and second contact rails being connected through the respective first and second separate housing compartments for connection to the electrical hook-up leads by the connector screws, and the first and second separate housing compartments being selectively moun

Abstract: The invention relates to modular housings for electrical apparatus distributed between the aligned and superposed modules (1) of the housing, which modules are assembled by means of fixed transverse catches (3) and flexible longitudinal lugs (2) which are provided with catch-hooking windows (4). The catches (3) are each provided with an inlet slope facilitating lug sliding when the modules are stacked, they also include snap-fitting chamfers (14) enabling the modules to be reversibly hooked together, together with retaining ramps (7) enabling the modules to be positively locked together. The thrust rims (6) of the windows can pass from the snap-fitting chamfers (14) to the retaining ramps (7) only by applying external pressure to the free ends of the lugs so as to cause the lug material to creep.

Abstract: A control or front panel assembly which is suitable for inclusion in associated apparatus. The panel assembly includes a switching arrangement with individual switch actuators easily detachable and removable during final assembly prior to mounting an escutcheon plate to the front panel face. In this manner, a single piece part need only be inventoried, modifiable during final assembly, to effect the desired model variations for the associated apparatus.

Abstract: A low-voltage circuit breaker of compact design has a housing of insulating material with several parallel disposed chambers. A switching mechanism designed as a structural unit is provided in one of the chambers. The other chambers comprise compartments for switching path contacts. The switching mechanism comprises a U-shaped carrier for all moving parts. In particular, a drive shaft with a coupling part, such as a key, as well as a tripping shaft, likewise having a coupling part such as a slot, are provided. A pole control shaft is provided for actuating the switch contacts and is provided at its end with a coupling part such as a slot which comes into engagement with the coupling part of the drive shaft of the switching mechanism if the latter is built into the switch gear.

Abstract: A metalclad switchgear has three assemblies which are separately arranged in separate housings for housing a circuit breaker, a control line and a cable, all constituting the metalclad switchgear and which can be detachably coupled. The three assemblies are a circuit interrupting device, which can be designed for standardization, and a control line compartment and a cable compartment both of which can be designed in accordance with given specifications.

Abstract: A variable composition switching device realizable by the assembling of modular elements and including at least one circuit breaker module i.e. switch module and at least one control and/or protection module. The circuit breaker module consists of a case with two opposing junction sides allowing for assembly by juxtaposition of several circuit breaker modules, one assembly side comprising a duct orifice of the thruster of the curcuit breaker device and two assembly areas of a control and/or protection module. The control modules include suitable means for activating the thruster.

Abstract: A circuit interrupter comprises a housing including a housing wall, an interrupting mechanism including a pair of separable contacts and an operating mechanism, and an optional accessory unit used in connection with an opening operation of the interrupting mechanism. The optional accessory unit may be a unit which includes a movable member operable in connection with the opening operation of the interrupting mechanism, such as an alarm switch, an auxiliary switch, a voltage trip device or an under voltage trip device. The optional accessory unit may be a connecting terminal block connectable between an external circuit and the circuit interrupter. The housing has formed in the outer surface thereof a receptacle cavity for receiving therein the optional accessory unit. When the unit is received in the cavity, no substantial portion of the unit projects from the housing.

Abstract: The modular structural base assembly is provided for constructing a custom key switch array which includes a foundation structural base module and a grouped keyswitch station arranged similarly to a typewriter key matrix. Accessory base modules of various keyswitch groupings are provided for attachment to the foundation module to permit addition of accessory keys at virtually any location and in any desired plurality. Accessory modules are coupled to the foundation module by a tongue-and-groove type connector which includes means for effectuating an interference fit to interlock adjacent modules. The tongue-and-groove couplers preferably have a dovetail shaped configuration.

Abstract: An actuating fixture for use with a push-pull switch comprises a push-pull button through which a tightening screw extends axially, and a clamping tongs which can be closed by the screw. In its operational end position, the tongs grips an actuating head of the switch below an annular flange of the head. The push-pull button projects from a collar portion of a protective housing, and the collar portion and a casing of the switch bear external threadings which are both of the same type and diameter. The push-pull button is connected with the end of the protective housing facing toward the switch by means of an encasing hose of water-tight, flexible material. The actuating fixture has an internal threading which can be screwed on to the aforesaid external threading of the switch casing.

Abstract: A rotary switch assembly comprises dielectric housing members stacked together, each of the housing members having electrical brush contact members extending into a cavity formed between pairs of housing members. A printed circuit board is disposed in each cavity and has a profiled opening mounting the printed circuit board on a corresponding profiled section of a shaft for rotating the printed circuit boards relative to their respective brush contact members to selected positions for electrical engagement on a selected electrical circuit on the printed circuit boards. Bushing members are located on the printed circuit boards and have profiled bores substantially in coincidence with the profiled openings in the printed circuit boards increasing the area of engagement on the shaft for rotating and accurately positioning the printed circuit boards relative to the brush contact members and adjacent bushing members engage one another to accurately position the printed circuit boards in their respective cavities.

Abstract: A multistage rotary switch with several wafers, is provided with one case member with fixed contacts per switch wafer and one rotor with the movable contacts. The rotor is axially acted upon by the contact springs. The edges of the case members adjoining one another, are provided with centering grooves of the same type, in which a centering ring is inserted, and the centering ring and rotor are made from a low-friction plastic material.

Abstract: The movable contact (52) of an on-off switch is moved, through drive means (5), by balls (4) rotated by a disc (23) in the peripheral surface of which regularly spaced cavities are provided to accomodate the balls. The balls can be either withdrawn or inserted through a channel or bore (20) which can be closed by a plug (7) so that the switching pattern can be varied depending upon the angular position of the disc. The device can be used e.g. in a selector switch or a program control apparatus.

Abstract: A combinative electronic circuit element composed of a cube-shaped block having an electronic component assembled therein. The block contains a pair of recesses formed in one pair of its outer opposite surfaces and a pair of projections on another pair of outer opposite surfaces, hence a total of four block-engaging surfaces or four joints. To the bottom surface of each recess and to the top surface of each projection is fixed a contact plate, which is then connected to said electronic component within said block so that upon engagement of a recess of one block with a projection of another block, the two electronic components housed in the two blocks are in communication with each other. A plurality of blocks each containing a different electronic component can be put together according to a given electronic circuit diagram by bringing said recess and projection into union so as to form a complete electronic circuit.

Abstract: Custom membrane switch assemblies comprising a plurality of switch modules of different sizes.

Abstract: A circuit breaker with unitary actuating shaft characterized by a dielectric housing having separable housing sections for mounting opposed stationary contacts; a unitary, hollow actuating shaft for mounting movable contacts between open and closed positions with the opposed stationary contacts; and each section having an end wall with an aperture through which the shaft extends and is retained in alignment.

Abstract: Custom membrane switch assemblies comprising switch modules and spacer modules.

Abstract: A jack for receiving a plug includes a detachable slide switch operated by a contact strip which engages the plug. Additional slide switches may be nested below the first slide switch, the entire stack being operated by the contact strip as the plug is inserted in the jack.

Abstract: A miniature switching device, intended for mounting on a circuit board, is disclosed comprising a housing, having at least one switch cavity therein. Each switch cavity has therein an actuator and a spring contact member. When the switch is mounted on a circuit board, the spring contacts are directly engageable with fixed contact points on a circuit board. The switch has multiple, as well as single, function capability.

Abstract: A modulator switch, adapted for telecommunication purposes, has a hollow body within which are a plurality of cantilever contact members, there being a center contact member and at least one side contact member. The center contact is biased towards one side or the other and has an extension actuated by an actuator rotatably mounted on the body. Actuation to make, break or transfer contact can be provided. The switch can be designed for sliding on a cover or another switch. The particular selection of two, or three contacts provides the particular actuation required.

Abstract: An auxiliary switch assembly for mounting on and operation by a power contactor includes a molded plastic housing cover to be mounted on the contactor by screws which provides a space within the housing for two electrical switches, which for this assembly are standard snap-action switches, and space for a movable element mechanically connected to the actuator of the power contactor which moves within the confines of the housing cover to engage the plunger in each such switch.

Abstract: Modular electrical switches and shunts for use in programming electric/electronic equipment are disclosed comprising an electrically insulating, substantially rectangular housing, and a pair of elongated electrically conducting terminals secured to the base of the housing. Electrical switches of this invention contain an electrically conducting contact bearing disposed within the housing and adapted to be movable between a first position and a second position corresponding respectively to the "off" and "on" configurations of the electrical switch in response to the movement of a switch actuating member slidably disposed within the housing. A mounting bar and cartridge-dispenser for storing, transporting and installing and removing the above-described switches and shunts from integrated electrical circuits are also described.

Abstract: The electric switching apparatus assembled of a plurality of consecutively arranged modular units, includes snap action arresting means integrally formed on opposite side walls of each unit. The arresting means includes frame-shaped resilient arresting pieces leveled with the upper surface of the assigned side wall and being at one edge thereof integrally connected thereto and cooperating with matching arresting points on the adjoining unit.

Abstract: A modular switch, which can be used in telecommunications systems, provides an enclosed environment and, from a particular selection of spring cantilever contact members, a normally made, a normally open and transfer function can be provided. By shaping the body of the switch a plurality of switches can be attached together.

Abstract: A switching apparatus assembly structure is disclosed in which a plurality of blocks including actuator blocks, contact blocks, a transformer blocks and direct power-supply adapter blocks are previously prepared as independent units which can be coupled together into a releasably interlocked structure, and two or more of desired ones of the above blocks are assembled to construct any desired one of smaller-size switching apparatus assemblies including a push button switch assembly, a selector switch assembly, a push button switch assembly of lockable type, a push button switch assembly with illumination, a selector switch assembly with illumination and a push button switch assembly of lockable type with illumination.

Abstract: A small switch comprising a plurality of switching elements with a hole which are oscillatably disposed one in each switch body and a single switching rod inserted through the holes of the switching elements whereby the contacts in a plurality of small switches can be made or broken simultaneously by operating the switching rod from the outside of the electronic device containing the switches. This small switch has projections and recesses on both sides of the switch body where the holes are formed so that a plurality of switches can be connected in series by fitting the projections of one switch into the recesses of other switch.

Abstract: A selector switch assembly includes modular switch units that are serially-arranged in a housing and are operated by a single rotatable control member that is biased to a first position by a biasing unit. A modular switch unit includes a housing that has an end wall and two opposite sidewalls that each have two recesses at opposite ends which receive planar blade portions of switches to define an enclosure. The control member includes a hollow tube that has a friction member which has cams on the periphery to actuate the switches and also has an opening for frictionally engaging a rotatable adjusting screw on the next modular switch unit. The modular units are sealed into a support and the hollow tube provides access to the adjusting screw outside the support.