Abstract: An improved fuse housing includes a main body and a cover and is configured to receive a fuse. The main body includes a plurality of fins that are configured to increase the surface area of the fuse housing in order to enhance heat dissipation. The main body is formed with a cavity for the fuse and a pair of conductors extending between the interior of the fuse housing and the exterior thereof for connection with the fuse. The cavity is configured to minimize the quantity of air between the fuse and the fuse housing to facilitates heat transfer. Each conductor includes excess studs for connection with the fuse to enhance heat conduction from the fuse. The cover is fastened to the main body with sufficient fasteners to permit the cover to be a stressed member to resist fracturing of the fuse housing from magnetic and other forces from the conductors.

Abstract: In a casing (2), there are accommodated a power-source side bus-bar (5) connected to a power source, a plurality of load side bus-bars (7) having respective terminals connected to respective electrical loads, a plurality of power devices (8) interposed between the power-source side bus-bar (5) and the load side bus-bars (7) to control power supply for the electrical loads; and a circuit base plate (9) having a built-in driver circuit for transmitting control signals to the power devices (8). In the form of bare tips, the power devices (8) are arranged on and connected to the load side bus-bars (7) respectively. The power devices (8) are connected to the circuit baseplate (9) through wire bondings (11). The power devices (8) are also connected to the power-source side bus-bar (5) through wire bondings (12). Each load side bus-bar (7) has a tuning-fork type terminal (6) allowing an insertion of a plate-shaped terminal (50a) of a fuse (50).

Abstract: A housing assembly for network protector fuses that includes a first and second C-shaped body and one or more cover plates. The first C-shaped body has a generally flat, rectangular front side and generally perpendicular first extension and second extension. The second C-shaped body has a generally flat, rectangular back side and generally perpendicular third extension and fourth. The first and second C-shaped bodies are coupled together forming an enclosure. The first body has one or more openings on the front side. The cover plates are coupled to the first C-shaped member and sealingly disposed over the openings in the first C-shaped body. The front side and the back side have a length sufficient to enclose more than one network protector fuse.

Abstract: A fuse base assembly for electrical fuses, including an electrical bus on which a load end fuse clip of the end-user's choice can be attached. The electrical bus is provided with means for attaching the selected load end fuse clip in a linearly adjustable manner such that the end user can adjust the spacing between the line and load end fuse clips as required for the desired fuse. The electrical bus is also provided with a load terminal attaching point such that wiring between the load device and the fuse is easily accomplished.

Abstract: The invention relates to a fuse holder for a fuse-link in which a fuse status indicator having a printed circuit board and a glow lamp is fitted. The necessary connecting lines are made of conductive plastic from the top and base contacts of the fuse-link to the printed circuit board of the status indicator. The conductive plastic is injected in channels which are provided therefor and are situated in the housing of the fuse holder.

Abstract: A large current fuse for direct coupling to a power source which comprises a fuse body 2A electrically connected to a battery post 4a of a battery 4 by way of a power source side terminal 5, and a resin case 3A which partially covers the fuse body, is characterized in that the fuse body 3A consists of a power supply terminal plate 6 in a rectangular shape having the power source side terminal connected to one end thereof and at least one connecting terminal plate 8 integrally formed with at least one of both sides of the power supply terminal plate in a longitudinal direction by way of an L-shaped fusible member, the connecting terminal plate being positioned at the same side as the power supply terminal plate with respect to an extension line extending along the other end of the power supply terminal plate so as to shorten a distance D of the large current fuse protruding from the battery, a portion of an outer peripheral edge of the connecting terminal plate being substantially along the extension line.

Abstract: The present invention relates to a fused switch housing (1) suited to accommodate at least one fuse adapter (2) having a first and a second contact surface (10). The fused switch housing (1) comprises a first and a second set of terminals (15) for respectively connecting the fused switch to a first and a second external circuit, stationary contacts (12, 15, 16), and at least one moving contact (13). The fused switch housing also includes switching means cooperating with each of said moving contacts (13) for making an electrical connection between each of said first terminals (15) respectively with each of said first contact surfaces (10) as well as for making an electrical connection between each of said second terminals (15) respectively with each of said second contact surfaces (10) so that at least one of said connections with said contact surfaces is openable by moving said at lest one moving contact (13) with the help of said switching means.

Abstract: A subminiature time delay fuse device (300) that is capable of withstanding higher current ratings includes at least one time delay fuse (310) for receiving a power signal and for providing an open circuit when the power signal is determined to be excessive for a predetermined period of time. The subminiature time delay fuse device (300) has a high-temperature housing (320) that has a plurality of vent holes formed therein, and wherein the housing partially encloses at least one time delay fuse (310). There are two conductive terminals (305) with an upper end for mounting the time delay fuse (310) and a lower end for mating into a socket (235) on an electrical device, such as an amplifier (125).

Abstract: A power distribution panel having circuit elements such as KTK and GMT fuses removably mounted to a unit housing by means of module members, thereby allowing for ease of customization of the circuit elements of the power distribution panel.

Abstract: A load feeder of modular construction is provided. The load feeder includes a feeder assembly and a base lower part with integrated cable and/or bus sections. The base lower part can be expanded to form a modular support system, with a cable and bus system, by arranging in a row and making contact with further physically identical base lower parts, in order to accommodate further feeder assemblies or input and output assemblies.

Abstract: A battery-power distribution unit comprises two printed circuit assembly bus units that carry eight pairs of ± screw terminal connections and their associated GMT-type fuses. Each A-side and B-side bus unit needs only one pair of heavy cables that feed it power inside a RETMA-rack cabinet. Heavy-duty foil buses etched on the printed circuit boards on both sides are reinforced with tinned copper flat bar to increase the current carrying capacity.

Abstract: A protection device for an electrical component that has a protective housing and a terminal cap. The protective housing has a base with a contact hole therethrough for accommodating an electrical terminal pin. A projecting perimeter wall extends from the base. Attached to the perimeter wall is an inwardly extending tapered rib. Each rib is tapered such that the end of each rib closest to the base surface extends from the perimeter wall further than the end of the rib furthest from the base surface. A terminal cap is placed within the perimeter wall and forced toward the base surface until the tapered ribs engage and are deformed by the terminal cap to provide an interference fit between the ribs and the terminal cap. A method of assembling a battery and an electrical component with such a protection device is also disclosed.

Abstract: A relay, a relay unit and an electrical junction box are disclosed as including a plurality of relays (2A˜2D), each of which includes a pair of switch connector circuit components (5a˜5d, 6a˜6d) between which a relay switch (SW) is intervened, a pair of coil connector circuit components (7a˜7d, 8a˜8d) between which a relay coil (L) is intervened, and a plurality of electrically conductive trimmer joint portions (9a˜9j) joined between the respective switch connector circuit components (5a˜5d, 6a˜6d) and the respective coil connector circuit components (7a˜7d, 8a˜8d) and able to be cut out at suitable cutting points to provide a desired mounting circuit profiled in a selected relay circuit pattern.

Abstract: A fuse base assembly for electrical fuses, including an electrical bus on which a load end fuse clip of the end-user's choice can be attached. The electrical bus is provided with means for attaching the selected load end fuse clip in a linearly adjustable manner such that the end user can adjust the spacing between the line and load end fuse clips as required for the desired fuse. The electrical bus is also provided with a load terminal attaching point such that wiring between the load device and the fuse is easily accomplished.

Abstract: A power supply shut-off apparatus includes a service plug 2 detachably mounted to a plug mounting portion 14 provided in an apparatus body 1, and the power supply-side switches between a conduction state and a nonconduction state between a load-side bus bar 3 and a power supply-side bus bar 4. When the plug housing 40 is mounted to the plug mounting portion 14 and the tilting lever 41 is tilted down substantially horizontally in a state where the tilting lever 41 of the service plug 2 is held in the substantially vertical state, the shaft 49 provided on the tilting lever 41 falls the movable lever 32 of the microswitch 15 so as to allow the microswitch 15 to detect the conduction state between the load-side bus bar 3 and the power supply-side bus bar 4.

Abstract: A telecommunications power distribution circuit board carries a fuse holder for a plurality of GMT fuses through which power is supplied to connectors on a terminal block. Power is supplied to the fuses through a distribution circuit on the board by way of bullet connectors that are attached to the circuit board and plug into holes in a power supply bus bar.

Abstract: A power-supply breaker apparatus of the present invention includes a fuse provided between a power supply and a load in an electric circuit, an apparatus main body for housing the fuse, a first bus bar whose one end is fixed to one fuse terminal of the fuse, a second bus bar having one end fixed to one of the power supply and the load, a plug housing chamber for housing the plug in the apparatus main body movably in a fitting/detaching direction, and a pair of plug side terminals which become conductive with each other in the plug. The other end of the first bus bar is extended so as to be composed as one terminal of the pair of main body side terminals, and the other end of the second bus bar is extended parallel with the first bus bar so as to be composed as the other terminal of the pair of main body side terminals. Respective terminal insertion widths of the pair of plug side terminals are wider than corresponding widths of the pair of main body side terminals.

Abstract: A power-supply breaker apparatus of the present invention includes a fuse provided between a power supply and a load in an electric circuit, an apparatus main body for housing the fuse, a pair of main body side terminals, a plug housing chamber for housing the plug in the apparatus main body movably in a fitting/detaching direction, and a pair of plug side terminals which become conductive with each other in the plug. The electric circuit is electrically conductive via the fuse, and the pair of main body side terminals are supported to the apparatus main body movably in a direction crossing substantially perpendicularly to the fitting/detaching direction, and one of the pair of the main body side terminals is connected with the power supply, and the other terminal is connected with the load. Moreover, when the plug is moved in the fitting/detaching direction, the pair of plug side terminals are freely fitted into and detached from the pair of main body side terminals.

Abstract: A fuse holder includes a base panel, a plurality of conducting blocks mounted on the base panel, a plurality of electric wires respectively connected to the conducting blocks, and a plurality of cartridge fuses respectively connected in parallel between the conducting blocks, wherein each conducting block has at least one smoothly arched clamping strip, each clamping strip having two clamping flanges extending from two opposite sides and curved radially toward each other and defining a smoothly arched clamping mouth for holding one conducting blade of one cartridge fuse, and two notches respectively disposed between the clamping flanges and the respective conducting block, the clamping flanges each having a plurality of radially extended splits, which separate the corresponding clamping flange into a plurality of fingers.

Abstract: A power-supply breaker apparatus of the present invention includes a fuse provided between a power supply and a load in an electric circuit, an apparatus main body for housing the fuse, a first bus bar whose one end is fixed to one fuse terminal of the fuse, a second bus bar having one end fixed to one of the power supply and the load, a plug housing chamber for housing the plug in the apparatus main body movably in a fitting/detaching direction, and a pair of plug side terminals which become conductive with each other in the plug. The other end of the first bus bar is extended so as to be composed as one terminal of the pair of main body side terminals, and the other end of the second bus bar is extended so as to be composed as the other terminal of the pair of main body side terminals.

Abstract: The accessory mounting assembly for supporting a plurality of fuses for electrical distribution equipment has a mounting bracket having a mid-portion and top and bottom bent ends. A mounting board, for supporting at least one fuse, is attached to the mounting bracket. The mounting board has a series of notches in one end of the mounting board and a multiplicity of bolt holes at a distal end from at least one of the notches. This mounting board configuration provides a compact holding formation for fuses or lightning arresters.

Abstract: The invention concerns a disconnecting appliance, such as a switch, a fuse-disconnecting switch or breaker-reversing switch, having a novel arrangement of fixed and moving contacts promoting contact surface self-cleaning and increasing contact force for the same contact force applied by the cam. Moreover, it comprises a newly designed cam for actuation the mobile contacts to optimize to the maximum the operating conditions when engaging and releasing. The appliance is characterized in that the moving contacts (35, 36) comprise two contact surfaces (38) arranged in substantially perpendicular planes, corresponding with those (27) of the fixed contacts (31, 31′ and 33, 33′), each moving contact (35, 36) moving in radial translation relative to the control shaft (23) along a direction (F) substantially perpendicular to a straight line passing through its two contact surfaces (38).

Abstract: A fuse box providing a weatherproof, waterproof long lasting enclosure which prevents moisture and especially air/water borne salt from corroding the within circuit block, fuses, and electrical wires, and which permits the easy addition of accessory circuits without destructive modification of the box. In a preferred embodiment, a plurality of pass-through openings are formed between facing edges of a fixed section of a non-corrosive case with a removable cut-out clamping section which secures to compress the electrical wires when installed—with the fuse box than being covered by a removable water/vapor tight lid.

Abstract: The device comprises a busbar (1′) connected, on the one hand, to the source of electrical energy and, on the other hand, to a plurality of electrical contacts (3′i) each forming part of one of the circuits. According to the invention, several self-resettable fuses (5′i) for protecting said circuits are soldered to said busbar (1′), these fuses each consisting of a layer of a dispersion of an electrically conductive particulate material in a polymer, said layer being laminated between first and second, plane and parallel, electrodes electrically connected to the busbar (1′) and to said electrical contacts (3′i) of an associated circuit, respectively.

Abstract: A modular furniture wall system includes active telecommunications equipment and wire management in an open office architecture and effectively provides a telecommunications closet as part of the office furniture. Slip-fit styled U-shaped members are attached to vertical frame members which form a rectangular opening within the furniture frame. L-shaped members are adjustable connected to each other and between the U-shaped members for providing a channel for routing wire between extending legs of the L-shaped members and a spaced support for the mounting of standard electrical equipment. Opposing pairs of shelf elements are carried by opposing surfaces of the U-shaped member and the L-shaped member, respectively, with each of the opposing pair of shelf elements having a horizontal surface for supporting equipment such as active telecommunications switches, patch panels and cross-connects with their front surfaces facing upward.

Abstract: A single piece fuse clip and switch blade contact receptacle is provided for use with an electrical switch, which may be a safety switch. The present invention provides an apparatus which eliminates the need for multiple connections, and which consolidates a switch blade receptacle portion with a fuse clip section in a single piece device employed in an electrical switching environment.

Abstract: The present invention provides a fuse holder for supporting a plurality of fuses for electrical distribution equipment such as a distribution transformer. The fuse holder comprises a first end plate attached to a first distal end of the fuses; and a second end plate attached to a second distal end of the fuses. The first and second end plates have a plurality of relief cuts to permit an increased surface creep distance and are constructed of an electrically non-conductive material. A top plate, having wire routing openings for retaining wire bundles of the electrical distribution equipment, is attached to the top of the first and second end plates.

Abstract: A fuse assembly (10) for mounting on a battery of a motor vehicle comprising a housing (12) of electrically insulating material having a base plate (22); a starter motor cable terminal (18) mounted on the base plate; a number of cable harness terminals (20); a fuse strip (14) secured on the base plate and including a busbar (36), a contact portion (40) adjacent the starter motor cable terminal, contact portions (38) making an electrical connection with each cable harness terminal, and fusible links (42) connecting the contact portions with the busbar; and a battery terminal clamp (16) having a mounting portion (26) positioned inside the housing and making an electrical connection with the busbar of the fuse strip, and a clamp portion (28) positioned outside the housing for making an electrical connection with a terminal post of the battery. Provides a compact fuse assembly for a motor vehicle.

Abstract: A holder (10) for a fuse (18) of the type typically used in automobile and marine applications. The fuse includes a fuse element encased within a generally rectilinear insulative fuse body (20), with a pair of parallel coplanar conductive blades (22, 24) in contact with opposite ends of the fuse element and extending out the fuse body. The holder is a unitary molded insulative plastic piece having a base member (12), a capture plate (14), and a cover member (16). The capture plate and cover member are hingedly secured to the base member on opposite sides thereof, with the capture plate adapted to overlie the base member and the cover member adapted to overlie the capture plate. The base member includes pockets with retention wings (50) for holding wire- terminating receptacles (28) and the capture plate locks the receptacles in place by means of blocks (62) extending into the pockets. The capture plate includes apertures (58, 60) aligned with the receptacles for receiving therethrough the fuse blades.

Abstract: An electrical distribution panel with quick change electrical outlets includes an elongated housing frame having multiple sides, a plurality of divider panels secured at different spaced levels in said elongated housing frame to form separated volumetric spaces therein. A plurality of openings are formed in said frame member at each of the volumetric spaces on at least two sides thereof. Main breaker means is provided at one of said different spaced levels, and a main distribution BUS means extends through divider panels and has means for connecting wires thereto through said openings which is accessible through the openings by an external bladed tool from said at lest two sides. A plurality of interchangeable receptacle mounting modules, each mounting module being adapted to be mounted within one of the openings, respectively, and connected by wires to the main BUS means by said bladed tool externally of said housing. Plates for covering the remaining of said openings.

Abstract: A central electrical assembly with an electrical or electronics unit is specified, which can be used in particular for motor vehicles; the central electrical assembly being of modular construction. A contact supporting body forming one module and being used to accommodate contacts or plugs with contacts which produce the connection between electrical cables and the central electrical assembly, a relay and fuse box being another module, having at least one conductor track level and plug-in slots for accommodating electrical devices, the relay and fuse box and the electrical or electronics unit being connectable with a central lifting screw to the contact supporting body in such a manner that the connections are produced between the electrical cables and the central electrical assembly, in particular the conductor track levels and the plug-in slots.

Abstract: A fuse box including an insulative bottom shell having a locating block and fixedly mounted with a metal common receptacle, a cover shell covered on the bottom shell and secured thereto by hooks, a plurality of spring supported jacks mounted in respective through holes in the locating block of the bottom shell, a plurality of cartridge fuses respectively connected between the jacks and respective plug holes in the metal common receptacle, a plurality of first electric wire connectors respectively fastened to respective electric wires and then connected to the jacks by a respective screw joint, and a plurality of second electric wire connectors respectively fastened to respective electric wires and then respectively threaded into a respective screw hole in the metal common receptacle.

Abstract: An indicating fuse assembly includes an electrically non-conductive housing; an array of first and second electrically conductive contacts supported by the housing, each pair of first and second contacts being adapted for connecting a replaceable fuse, the contacts being connected in a powered circuit wherein each fuse, when connected between a respective pair of the contacts, is electrically series-connected with a load of the circuit; and a plurality of illuminators electrically connected within the housing for displaying open circuit conditions of corresponding ones of the fuses when the contacts are connected in the powered circuit, electrical current in the illuminators being limited to a minor fraction of a rated current of the corresponding loads. At least some the illuminators can include bipolar pairs of light emitting diodes for activation of the respective illuminators without regard to polarity of the circuit.

Abstract: A fuse locking construction for a fuse box, in which a fuse having a fuse member insert molded in a base made of synthetic resin and a pair of terminal plates projecting out of the base from the fuse member is inserted into a fuse mounting portion so as to be locked to the fuse mounting portion. The fuse locking construction includes a pair of locking projections which are, respectively, provided at opposite ends of an insertion mouth of the fuse box for the fuse mounting portion and retain opposite upper ends of the base at the time of completion of insertion of the fuse into the fuse mounting portion so as to lock the fuse to the fuse mounting portion; and a guide groove for guiding each of the terminal plates of the fuse in a direction for inserting the fuse into the fuse mounting portion or drawing the fuse out of the fuse mounting portion, which is formed on each of the locking projections.

Abstract: Bulk and accessibility problems in a motor control unit for installation in a motor control center are eliminated in a unit having a housing (10) in the shape of a rectangular solid and provided with a top wall (14), a bottom wall (16) spaced from the top wall (14), a rear wall (12) and a front (20). A plurality of motor control instrumentalities (24), (26), (36) are located within the housing (10) and are mounted to at least one of the walls (12), (14), (16) in close proximity to the rear wall (12). A side wall (22) is located to one side of the top, bottom and rear walls (12), (14), (16). A pivot (78) mounts the side wall (22) for pivotal movement about an axis generally parallel and in proximity to the rear wall (12). A disconnect switch (104) is carried by the side wall (22) to be disposed in the housing (10) in one position of movement of the side wall (22) relative thereto and a partial front wall (80) is provided for the housing and carried by the side wall (22).

Abstract: An electric vehicle power distribution module including a chassis containing electric power distribution components. A battery connector is disposed on the chassis for electrically connecting the power distribution components to a battery. A safety cover is secured to the chassis and includes an aperature in a side wall for receiving an electric cable from the battery to be selectively engaged with the battery connector. The aperture is positioned with respect to the battery connector so as to preclude removal of the safety cover from the chassis without disengagement of the electric cable from the battery connector.

Abstract: A fuse mounting bracket assembly for air-insulated, live front padmounted switchgear is provided that in a first configuration permits only one type of fuse to be selectively mounted in the bracket assembly and in a second configuration allows only a second different type of fuse to be selectively mounted in the bracket assembly. The bracket assembly includes a main frame having an end wall and two side walls with slots being provided in the side walls for pivotally receiving opposed, outwardly extending mounting protuberances on the selected one type of fuse. A pair of adapters may be selectively mounted on the frame assembly in blocking relationship to the slots and which present components that extend inwardly toward one another from respective side walls for engagement with a mounting hook on a second type of fuse, thus allowing the fuse mounting bracket assembly to be selectively configured for either of the two types of fuses with minimum overall parts requirements.

Abstract: A planer fuse panel is presented. In accordance with the present invention, a section of conductive metal of the desired thickness, temper and shape is stamped out from a sheet of conductive metal. Simultaneously, fuse holding spring or bent tabs are formed in the same stamping operation for frictionally engaging blades from blade-type fuses. The edges of the fuse panel include a plurality of male blade connectors of a known configuration. A multiplicity of circuits may be included in the planer fuse panel depending on the number of circuits desired. The circuits may have any suitable planar shape. In a preferred embodiment, each circuit has an overall rectangular shape with a first portion consisting of an "L" shaped element and a second portion comprising a rectangular shaped element located in the shoulder of the first element. Spaces are formed bridging the two portions of each circuit with bent tabs extending into each space to frictionally engage a blade-type terminal from a fuse or the like.

Abstract: An indicating fuse assembly includes an electrically non-conductive housing; an array of first and second electrically conductive contacts supported by the housing, each pair of first and second contacts being adapted for connecting a replaceable fuse, the contacts being connected in a powered circuit wherein each fuse, when connected between a respective pair of the contacts, is electrically series-connected with a load of the circuit; and a plurality of illuminators electrically connected within the housing for displaying open circuit conditions of corresponding ones of the fuses when the contacts are connected in the powered circuit, electrical current in the illuminators being limited to a minor fraction of a rated current of the corresponding loads. At least some the illuminators can include bipolar pairs of light emitting diodes for activation of the respective illuminators without regard to polarity of the circuit.