Abstract: A charging device for electric vehicles or plug-in hybrids has a housing. At least one printed circuit board with fuses thereon is arranged on the printed circuit board. The printed circuit board, together with the fuses, is arranged in the interior of the housing and is connected to the housing in a force-fitting and/or interlocking manner by at least one fastening element (2). A covering element (1) covers the printed circuit board and the fastening element (2) at least in sections, and insertion or removal of the fuses onto or from the printed circuit board can be carried out only by removing the printed circuit board from the interior of the housing. The covering element (1) has to be damaged at least in sections to remove the printed circuit board.

Abstract: A high voltage service disconnect assembly is provided. The high voltage service disconnect assembly is configured to fixedly hold a plurality of different sized fuses therein having different current rating capabilities, one fuse at a time.

Abstract: A power-circuit breaking device, which can easily mount a fuse and has a small number of component and a simple structure. The power-circuit breaking device includes a first connector housing having a pair of circuit terminals connected with a power circuit, and a second connector housing closing the power circuit by fitting with the first connector housing. The second connector housing includes a fuse having a pair of terminals to be connected with the pair of circuit terminals, a housing having a lock arm engaged with a cutout provided at the terminal and a cover an entry opening of a receiving section of the housing. The cover includes a limiter limiting the lock arm to move to disengaging the terminal.

Abstract: A protective shield that may be secured to an electrical racking rod of the type used for performing electrical work on various types of energized electrical equipment. The protective shield includes a transparent plate formed of an impact resistant, fire retardant material; a clamping mechanism secured to the plate and at least one adaptor for securing the racking rod to the plate. The adaptor is engaged by the clamping mechanism to secure the racking rod to the plate. The protective shield provides physical protection to workers when removing or resetting electrical circuit breakers by acting as a barrier between the worker and the equipment while providing complete visibility to the task being performed. A plurality of adaptors may be provided to enable the plate to be utilized with any one of a plurality of different diameter racking rods.

Abstract: A fuse seat for filter is disclosed. The fuse seat has an insertion seat for accepting a baseat body and a cavity at the bottom section of the insertion seat characterized in that a positive and a negative conductive plates are respectively mounted to the two lateral sides of the cavity and the bottom section of the cavity for contacting with the positive and negative terminal of the fuse, and one lateral wall of the cavity is provided with a guiding slot and the two lateral walls of the guiding slot are provided with positioning slots and one lateral side of the base seat body is provided with two engaging slots for engaging one end of a fuse, and between two engaging slots, a support block is mounted, and one lateral side of the support block is provided with a sliding plate allowing sliding movement within the guiding slot, and the sliding plate has a positioning protruded block for engagement at the positioning slot.

Abstract: A fuse comprises a housing assembly, at least one primary fuse link extending within the housing assembly, at least a pair of fuse terminals connected to the primary fuse link and extending from the housing assembly, and a retractable handle assembly coupled to the housing assembly. The handle assists in removal of the fuse from a switch housing assembly.

Abstract: A fused disconnect switch includes at least one switch housing assembly having a housing defining a fuse receptacle and first and second terminal contact assemblies extending therefrom. At least one of the first and second contact assemblies is a bullet contact assembly, and a retractable fuse is received within the fuse receptacle. The fuse includes a primary fuse link and an open fuse indication device.

Abstract: A fused disconnect switch assembly includes a pull out fuse assembly and a switch housing assembly. The fuse assembly includes a line side conducting portion, a load side conducting portion, and a fuse element therebetween. The switch housing assembly includes a fuse receptacle for receiving the fuse, a first contact assembly coupled to the line side conducting portion of the fuse and a second contact assembly coupled to the load side conducting portion of the fuse when the fuse is inserted into the receptacle. An open fuse indication device is in communication with conducting portions of the fuse, and an alarm terminal output extends from the switch assembly housing and is in communication with the open fuse indication device. The open fuse indication device provides local fuse state indication and the alarm terminal output facilitates remote fuse state indication when coupled to external circuitry.

Abstract: A fuse housing assembly is disclosed that includes a rate release plug that prevents the emission of large quantities of dielectric oil from a transformer tank upon removal of a fuse holder from a bayonet-type fuse holder. The rate release plug allows pressurized gas inside the tank to escape while at the same time, impeding the flow of dielectric oil out of the tank.

Abstract: An assembly for mechanically mounting and providing electrical connections to overcurrent protection devices having first and second male power plugs includes a non-conductive main structural support member having a plurality of plug passageways formed therein and one or more load busbar modules mounted thereon and also including a plug passageway formed therein, to enable the male electrical plugs to mate with sockets disposed in a conductive line busbar member mounted on said support member and with a socket disposed in a load busbar member included in each load busbar module. Each load busbar module includes a non-conductive housing and a releasable cover within which is mounted the load busbar member. A printed circuit board substrate is preferably also mounted to said support member to provide a support surface for auxiliary signal clip connectors disposed on one side of the substrate.

Abstract: A fuse extractor and puller including a generally cylindrical fuse receiving portion, a lifting and inserting tower attached to the cylindrical fuse receiving portion, and a gripping head attached to the tower and having specially molded characters etched thereon. The tower portion of the fuse puller is hollow and incorporates a continuity detector having an indicator for indicating the condition of a fuse comprising a light extending through the top of the gripping portion, and first and second spring contacts attached to the continuity detector, adapted to contact the electrical terminals of a fuse positioned within the puller. The tower further includes a cantilevered support for supporting the continuity detector so that the light may be pressed downwardly against the gripping portion and the stress created thereby is absorbed, preventing damage to the light.

Abstract: An actuating device (22) operated by a hookstick (12) is attached to a manually operated fused cutout switch (10) or a oil circuit recloser switch (22). The device (22) is readily clamped to a ring (14) of the switch with a locking member (30) and a cantilever (24), each defining a boss or raised portion (34) and (60, 64, selectively for the cantilever), which bosses are disposed within the ring (14) to bear against an inner surface of the ring. A fastener (40) secures the locking member (30) and the cantilever (24) together. The hookstick (12), being engaged in the receptacle (48, 50), moves the actuating device (22) to alternatively open or close the switch. An alternate embodiment of the cantilever and a method of actuating a manually operated switch are disclosed.

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: A fuse system includes a fuse holder having an outer surface; a pair of fuse clips mounted inside the fuse holder, the pair of fuse clips being recessed from the outer surface of the fuse holder a predetermined distance; an insulative fuse housing; a fuse element mounted within the insulative fuse housing; blade terminals electrically connected to the fuse element and extending from the fuse housing; and an insulative sleeve on each of the blade terminals, the insulative sleeves extending from the fuse housing and covering a portion of each of the respective blade terminals and leaving a remaining portion of the blade terminals exposed; wherein the exposed portions of the blade terminals are less than the predetermined distance so that when the blade terminals make an electrical contact with the fuse clips, the exposed portions of the blade terminals are within the fuse holder and only the insulative sleeves are exposed.

Abstract: An electronic component (100) includes a body portion (105) for enclosing first and second electronic devices (415, 430). The component (100) has first and second leads (110, 115) extending therefrom for providing a connection to the first device (415) and third and fourth leads (125, 130) extending from the component (100) for providing a connection to the second device (430). The first device (415) can be a short circuit connection, a fuse, or a resistor, while the second device (430) can be a different device, such as an open circuit connection. When the first and second leads (110, 115) are inserted into a connector (205) of an external circuit (202), the first device (415) is electrically coupled to the circuit (202). When, alternatively, the third and fourth leads (125, 130) are inserted into the connector (205), the second device (430) is electrically coupled to the circuit (202).

Abstract: An improved fuse block-out device is disclosed that includes a fuse block-out device that includes a first portion shaped to be received by a fuse block and a second portion shaped to securely engage a fuse. When a fuse is removed from the fuse block, the first portion of the fuse block-out device is inserted into the fuse block, and the removed fuse is inserted into the second portion of the fuse block-out device. In this way, the fuse block-out device reduces accidental electrical shock and prevents accidental replacement of the removed fuse. Because the removed fuse is securely engaged, the fuse block-out device controls the location of the removed fuse.

Abstract: A fuse housing assembly having a fuse holder housing for receiving a fuse holder. The fuse housing is mountable to a transformer tank that holds a dielectric liquid. When the fuse holder and fuse are inserted into the fuse housing that is mounted to the transformer tank, the fuse is located under the dielectric oil. The fuse holder assembly includes a vent tube that communicates a gas above the level of the dielectric liquid in the transformer to the interior of the fuse holder housing. When an operator removes the fuse holder to replace an exhausted fuse, a seal formed between the fuse holder and the fuse holder assembly is broken, and pressurized gas within the transformer tank will vent through the vent tube, through the interior of the fuse holder housing, and out an open end of the fuse holder housing to atmosphere, rather than causing the dielectric liquid to flow out of the fuse holder housing.

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: A safety fuse system includes a safety fuse including a fuse casing having a bottom surface and opposing end surfaces at each end of the bottom surface; a fuse element inside the fuse casing; a pair of electrical contacts connected to the fuse element, the electrical contacts extending through openings in the bottom surface of the fuse casing to an exterior of the fuse casing; the openings being located at a distance from the opposing end surfaces so that the electrical contacts are remote from the opposing ends; a fuse holder including a fuse holder casing having a top surface, the top surface including apertures for receiving the electrical contacts of the safety fuse, the apertures being in alignment with the safety fuse openings when the safety fuse is engaged with the fuse holder; metal contacts within the fuse holder casing for receiving the electrical contacts.

Abstract: A system for establishing and terminating the flow of electrical current through a circuit which includes a fuse puller which engages and retains a standard plug-in fuse element. The system also includes a housing which supports the fuse puller and associated fuse in a first, raised position which separates the fuse from its corresponding contact terminals, and a second, lowered position in which the fuse contacts the terminals.

Abstract: A protective shield adapted to be clamped to an electrical hot stick of the type used for performing electrical work on various types of energized electrical equipment. The protective shield includes a transparent plate formed of an impact resistant plastic material and a clamping mechanism for securing the plate to a hot stick. An opening in the plate allows for passage of the hot stick through the plate, afterwhich a pivotally mounted clamp arm and bolt arm are secured together about the hot stick. The protective shield provides physical protection to linemen working in live-line or deenergized maintenance situations by acting as a barrier between the lineman and the equipment while providing complete visibility to the task being performed.

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: A device for change-over switching of electric motors has a housing and two safety disconnecting switch systems positioned adjacently to one another in the housing. A cover is slidably connected to the housing so as to cover one of the safety disconnecting switch systems respectively. A fuse holder with fuses is detachably connected to the housing. Each one of the safety disconnecting switch systems has receiving elements for receiving the fuses. The safety disconnecting switch systems are electrically connected to one another such that upon insertion of the fuses into the receiving elements of one of safety disconnecting switch systems the electric motors rotate in one rotational direction and that upon insertion of the fuses into the receiving elements of the other one of the safety disconnecting switch systems the electric motors rotate in the other rotational direction.

Abstract: A fuse holder assembly (100) has a pair of fuse clips (23) which provide electrical connection between a fuse (22) and a circuit in a printed circuit board (15). The fuse holder assembly (100) securely holds a fuse (22) adjacent to an edge of the printed circuit board and in spaced relation to the printed circuit board (15) for easy access to the fuse and for maximizing the area on the printed circuit board available for circuit components or edge connector contacts. Each fuse clip (23) has a mounting base (25) for mounting to the printed circuit board and for providing electrical connection with the circuit on the printed circuit board, and a retention clip (33) attached to the mounting base. A support (55,58) supports the retention clip and provides access (53,70) to the retention clip for installation and removal of a fuse within the retention clip.

Abstract: An overcurrent protection module includes a base unit and a removable fuse holder. The base unit is mountable on a panel or a DIN rail so that a containing space for the fuse holder stands perpendicular to a plane of the panel or the DIN rail, and in line with a conventional wiring orientation. The fuse holder includes at least three fuse slots arranged in a single plane, so that in a position inserted in the base unit, the fuse slots are perpendicular to the plane of the panel or DIN rail. Line terminals are singularly located on a first side wall of the base unit and load terminals are singularly located on a second side wall, opposite to the first side wall. The overcurrent protection module according to the invention is simpler to mount and requires less surface mounting space than a conventional fuse block. The overcurrent protection module also provides protection from shock hazard by shielding an operator from contact with live terminals or fuses.

Abstract: An automotive fuse inserting and attaching apparatus that has an aligning portion for aligning automotive fuses to be inserted and attached into a fuse box. The aligned automotive fuses are aligned in the same arrangement they assume when inserted and attached within the fuse box. The automotive fuse inserting and attaching apparatus includes a feeding portion for feeding predetermined automotive fuses to the aligning portion. The automotive fuse inserting and attaching apparatus further includes a hand-type inserting and attaching portion that is separable from the feeding portion, for inserting and attaching a group of automotive fuses into the fuse box by conveyably clamping with one hand the group of automotive fuses aligned by the aligning portion.

Abstract: An air conditioning disconnect switch utilizes a ramped movable contact arrangement for slidably opening and closing the switch contacts without the requirement of a removable type pull-out handle. A plastic face plate covering the switch terminals allows the use of a metallic case of reduced depth. The slidable contact arrangement eliminates the bumped cover projection otherwise required with the pull-out handle.