Abstract: A fuse holder for holding a fuse is provided that includes a body, a line side connector supported by the body, and a load side connector supported by the body. The fuse holder also includes a toggle switch supported by the body and capable of toggled engagement in a first position that provides electrical connection. The switch is also capable of toggled engagement in a second position that provides electrical isolation between the line side connector and the load side connector. The fuse holder also includes a fuse carrier. The fuse carrier is supported by the body and adapted for holding the fuse and the fuse carrier is adapted to be removed from the fuse holder. The fuse holder includes a blocking device blocking the toggled engagement of the switch from the second position to the first position when the fuse carrier is not within the fuse holder.

Abstract: Provided is an electrical connection cassette with which it is possible to freely expand a device and add functions in accordance with the size of free space. An electrical connection cassette is provided with: a circuit board; and first connection terminals and second connection terminals mounted on the circuit board and having terminal shapes that can be engaged with each other. In a state with a terminal connection direction oriented in a predetermined direction with respect to the circuit board, the first connection terminals are disposed on the side of one main surface of the circuit board, and in a state with a terminal connection direction oriented in a direction parallel to the predetermined direction, the second connection terminals are disposed near the other main surface of the circuit board.

Abstract: A fuse protector with a plurality of fuses comprises a fuse protector base, a fuse carrier, and fuse elements. The fuse elements are disposed on the fuse carrier, and the fuse carrier is inserted in the fuse protector base. One side of the fuse protector base is provided with at least two wiring assemblies, and the other side of the fuse protector base is provided with at least two wiring assemblies. The fuse protector base is further provided with base contacts corresponding to the wiring assemblies. The fuse carrier is inserted into the fuse protector base. When the fuse carrier is pulled out of the fuse protector base, at least four breaking points are formed at the same time, and the voltage of an arc is distributed to the four contact points. Therefore, the voltage of the arc is effectively reduced, space is saved.

Abstract: Fuse load-break switch (1) for low-voltage high-power fuses, a fuse contact pair for receiving a fuse (5A, 5B, 5C) being provided within a housing (2) of the fuse load-break switch (1) for each current phase to be disconnected, characterized in that a thermal power loss brought about by the fuses (5A, 5B, 5C) is dissipated into at least one heat dissipation duct (3) provided laterally on the housing (2) of the fuse load-break switch (1).

Abstract: A holder for receiving fuses is provided. The holder includes a housing and a fuse shuttle. The fuse shuttle is slidably cooperable with the housing in a first portion of the housing and pivotally cooperable with the housing in a second portion of the housing. The fuse shuttle and the housing define a fuse loading position and a fuse operational position.

Abstract: The invention relates to holders for receiving fuses, with a housing having a receiving shaft, the receiving shaft containing contacts which are provided for contacting at least one fuse inserted into the receiving shaft, a cover which is adjustably arranged in the receiving shaft, a fuse holding device which is adjustably guided in the receiving shaft, wherein the cover has a unit being engageable with a guiding mechanism and which holds the cover at a predetermined position within the housing, a coupling device for detachably coupling the cover to the fuse holding device, wherein the unit of the cover is formed by feet which protrude laterally from the cover and are engageable with the guides in the housing, and wherein the guiding mechanism comprises stops and/or stop faces which are provided in the guiding mechanism, and which hold the cover in a top position of the cover.

Abstract: Modular fuse holder assemblies for configurable panelboards are specifically adapted to meet the needs of photovoltaic fuses and solar powered systems. Fuse rejection features, safety features, and remote monitoring features are further provided.

Abstract: The present invention relates to a switch disconnector comprising a housing portion, in which several pairs of blade receiving contacts assigned to each other or the like are arranged, which can be bridged by means of fuses, possibly comprising shock protection covers at least partially covering contact blades, and comprising a lid for receiving said fuses, which is provided in a manner hinged to the housing portion, wherein several receiving means in the form of slots, grooves or the like are formed at the inside of the lid, wherein one bearing cage is provided per fuse, and each bearing cage comprises a cage portion for inserting a fuse, wherein the cage portion is fit to the shape of the fuse to be inserted, and each bearing cage is provided with fasteners, which can be inserted in and snapped into predetermined receiving means for fastening the bearing cage to the lid respectively.

Abstract: A service disconnect assembly for an electronic module includes a fuse carrier having a holder configured to hold a fuse for the electronic module, where the fuse carrier has an attachment finger extending from the holder. The attachment finger has a peg. The service disconnect assembly also includes a service disconnect cover having a hood forming a channel, with the hood having a window exposing a portion of the channel. The attachment finger is received in the channel to couple the fuse carrier to the service disconnect cover. The service disconnect cover is slidable with respect to the fuse carrier between an initial position and a final position, wherein the hood moves with respect to the attachment finger as the service disconnect cover is moved between the initial and final positions. The peg is aligned with the window in the final position. A handle is rotatably coupled to the service disconnect cover and the handle has a catch aligned with the window.

Abstract: A service disconnect assembly for an electronic module includes a fuse carrier having a holder configured to hold a fuse for the electronic module, where the fuse carrier has an attachment finger extending from the holder. The attachment finger has a peg. The service disconnect assembly also includes a service disconnect cover having a hood forming a channel, with the hood having a window exposing a portion of the channel. The attachment finger is received in the channel to couple the fuse carrier to the service disconnect cover. The service disconnect cover is slidable with respect to the fuse carrier between an initial position and a final position, wherein the hood moves with respect to the attachment finger as the service disconnect cover is moved between the initial and final positions. The peg is aligned with the window in the final position. A handle is rotatably coupled to the service disconnect cover and the handle has a catch aligned with the window.

Abstract: A plug with a replaceable fuse is provided. The plug includes an outer housing, an inner core, a pair of prongs and a pair of conductive cords. The outer housing includes a fuse uninstall button opening and an inner core install opening. The inner core is installed into the outer housing through the inner core install opening, and the inner core includes a fuse socket and a fuse uninstall button. The fuse socket has an uninstall opening. When it is intended to replace the fuse, the fuse uninstall button is pressed from the fuse uninstall button opening, the fuse is ejected or pushed out of the fuse socket by one end of the fuse uninstall button extending to the uninstall opening. When the fuse uninstall button is not pressed, the fuse uninstall button restores to the original position, such that a new fuse is installed into the fuse socket.

Abstract: A plug with a replaceable fuse is provided. The plug includes an outer housing, an inner core, a pair of prongs and a pair of conductive cords. The outer housing includes a fuse uninstall button opening and an inner core install opening. The inner core is installed into the outer housing through the inner core install opening, and the inner core includes a fuse socket and a fuse uninstall button. The fuse socket has an uninstall opening. When it is intended to replace the fuse, the fuse uninstall button is pressed from the fuse uninstall button opening, the fuse is ejected or pushed out of the fuse socket by one end of the fuse uninstall button extending to the uninstall opening. When the fuse uninstall button is not pressed, the fuse uninstall button restores to the original position, such that a new fuse is installed into the fuse socket.

Abstract: Fuse switch having a housing for receiving contacts and a fuse holder, which has a receptacle for a fuse element, and which is mounted in the housing such that it can pivot between at least one first and one second operating position, in which the housing receives an encoding element, which is provided at least partially in the pivot region of the fuse holder, and in which the encoding element bears a flexible blocking element, which extends in the direction of the fuse holder and senses the fuse element in terms of its outer diameter.

Abstract: A fuse holder and method of building the same, the fuse holder comprising: a fuse having a pair of fuse terminals; a housing configured to accept any fuse carrier selected from a plurality of fuse carriers, the housing defining an enclosed region adapted to accept the fuse; a pair of contacts within the housing at opposite ends of the enclosed region and configured to engage the fuse terminals; and a fuse carrier selected from the plurality of fuse carriers, the fuse carrier configured to support the fuse and position the fuse terminals in the enclosed region in electrical engagement with the pair of contacts.

Abstract: A fuse holder comprising: a housing defining an enclosed region, the housing comprises a base and a cover, the base and cover adapted to accept differently configured cage holders within the enclosed region; a pair of contacts within the housing at opposite ends of the enclosed region and spaced to engage terminals on ends of a fuse; and a first cage holder and second cage holder configured to fit within in the housing, each cage holder of the first and second cage holders includes either a single pole cage or a plurality of pole cages.

Abstract: A fuse handling device for use with a fuse unit having a pair of contacts between which a fuse terminals which act as switching contacts may extend in use. The handling device comprises an actuating lever operable into a first position and a second position, a charging means operably connected to the actuating lever and a drive means operably connected to the charging means. The handling device in use is mounted on the fuse unit. The drive means attaches to the fuse and operation of the actuating lever into the first position charges the charging means to causes the drive means to extract the fuse from the pair of contacts and operation of the actuating lever into the second position charges the charging means to cause the drive means to insert the fuse into the pair of contacts. The fuse moves in a direction parallel to a plane of its switching contacts.

Abstract: A fuse interruption indicator with physical attributes which allow convenient observation of the interrupted fuse either through visual or tactile inspection. The indicator is subsequently employed as a self contained method of interrupted fuse extraction, requiring no additional tools. Further allows the use of less expensive materials and usage with existing technologies and practices.

Abstract: The described fuse holders or analogous electrical equipment is blocked by a padlock and a clip against being casually changed from its locked condition so that the controlled circuit remains energized or denergized. The clip is captive between the fuse carrier of the fuse holder and the fuse holder's receptacle but the clip is no longer captive when the fuse carrier is removed from the receptacle.

Abstract: The described fuse holders include a receptacle unit and a fuse-carrier unit having means, especially a lever, for driving the units apart and forcing the release of the contacts of each unit from the other. Multiple single-fuse fuse holders can be ganged for operation coordinately. A wire shroud fixed to the receptacle serves also as a releasable latch to hold the receptacle on a mounting rail. The receptacle is adaptable either to have wire connections or rear stud terminals.

Abstract: An L-shaped member (20) is secured adjacent a fuse clip (12) to extend forwardly along one side of a fuse (F) received in that fuse clip. A flexible insulating strap (24) is secured to the outer end of the forwardly projecting post (20a) to lie within a groove (20e) in the post and extend rearwardly around the back side of the fuse and then forwardly along an opposite lateral side of the fuse. Pulling the free end of the strap (24) upwardly or forwardly causes that end of the fuse to be rolled forwardly of the fuse clip with a mechanical advantage.

Abstract: An A.C. power entry module for supplying A.C. power to equipment which provides A.C. fusing, power on-off switching, RFI filtering and selection of voltage. The module can be utilized for both U.S. and European style fusing and a number of different voltage options are available which can be selected by merely changing the position of a circuit board. The contacts for engaging the fuses are mounted such that an operator cannot come in contact with them and the European or U.S. fuses can be easily selected by inverting a fuse holder board.

Abstract: A spring jaw fuse clip (18) having a backup spring (22) encircling the fuse clip and bearing inwardly upon the outer surfaces of the legs (18b) of the fuse clip, the spring being attached to the fuse clip by engagement of portions (22d) thereof with horizontal (18e) notches in the edges of the fuse clip legs to prevent displacement of the spring with respect to the clip, and having a insulating fuse puller loop (20) disposed within a pair of slots (18c) open to the upper ends of the fuse clip legs for linear movement therein. A rib (20c) is provided on the fuse puller loop in the area between the fuse clip legs to prevent tilting or displacement of the fuse puller loop with respect to the fuse clip and to facilitate insertion of the fuse (8) blade therein by camming the legs (18b) outwardly to the width of the fuse blade upon being displaced to its outermost position in said clip.

Abstract: A fuse recloser for placing a fuse in a vertically oriented fuse holder includes a channel-shaped fuse shoe pivotally mounted within a channel-shaped support. The side arms of the shoe and support flex and the shoe releasably grips a fuse. The exterior of the fuse shoe includes cam surfaces which engage with the outer ends of the support which serve to collapse the shoe onto the fuse while permitting a forced release of the fuse shoe from the support. A release lever is provided for initial separation of the fuse shoe and support, after which the shoe is readily removed from the fuse. A U-shaped handle extends from the support outwardly and then rearwardly in offset relation to the support. A flexible line is secured to the outer end of the offset handle member with a fuse in the shoe and the shoe within the support. The one end of the fuse is placed in lower pivotal mount on the fuse holder and depends downwardly therefrom with the offset handle member extending upwardly.

Abstract: A drywell fuse holder and a loadbreak fuse assembly, the holder including an arc-extinguishing sleeve located adjacent to the inner contact sleeve, the loadbreak fuse assembly including a non-expulsion fuse having electrical interface assemblies at each end spaced apart a distance less than the distance the inlet to the contact sleeves in the fuse holder, the interface assemblies including a spacer ring to center the fuse assembly in the holder and protect the garter spring contact and an arcing washer to transfer the arc from the garter spring; and an arc-extinguishing follower on the fuse assembly which is pulled through the arc-extinguishing sleeve to extinguish the arc.

Abstract: A fuse holder for a cartridge type fuse is formed of a housing having a fuse transfer region and a fuse contact region in the interior space thereof. A fuse carrier is provided, which carrier is captured within the housing. The fuse carrier is movable between the fuse transfer region and the fuse contact region. A fuse is inserted or removed into the fuse carrier through a suitable opening provided within the fuse transfer region. Within the fuse contact region there are provided fuse contact members which engage the conductive ends of the fuse when the carrier moves the fuse into the fuse contact region.

Abstract: A fuse holder assembly for a cartridge type fuse includes an elongated fuse carrier bar having a cylindrical opening in a fuse containment portion for loosely accepting the fuse therein. The fuse contacts include a conductive spring at the inward end of the assembly and a generally U-shaped spring fuse clip member at the outward end. The assembly includes a recess at its inward end to accept an end of the fuse carrier bar and when the carrier bar is inserted in the recess the inward end of the fuse is brought into contact with the spring. The fuse carrier bar is then pivoted to cause the outward end of the fuse to be captured by the fuse clip. To remove a fuse, the fuse carrier bar is pivoted to pull the fuse out of contact with the fuse clip and the fuse carrier bar is then removed by being pulled outward from the assembly. To insure that only the proper size fuse is placed in circuit, a unique spacing is provided between the spring contact and the fuse clip in the location reserved for that size fuse.

Abstract: A fused electrical plug including a plug body having a pair of forwardly projecting conductor prongs for insertion into a socket. A pair of conductors entering the plug are connected to respective conductor prongs through fuses which are removable by opening an access door on a lateral face of the plug body. A locking plate slides along the prongs of the plug and locks the access door in its closed position when the locking plate abuts the forward end of the plug body. In a first and second embodiment the access door includes an access cover extending between two parallel side walls. The inside face of the access cover contains a pair of inwardly projecting fuse holders which insert the fuses in their proper position inside the fuse body when the access door is closed. In the first embodiment the access door pivots away from the plug body about a transverse edge of the access cover, while in a second embodiment the access door slides away from the plug body in a lateral direction.

Abstract: An electrical furnace heater construction having electrical heaters carried by a frame and having a current fused drawer-like lead unit movably carried by the frame and having leads for directly and electrically interconnecting to terminals of the heaters when the unit is in one position relative to the frame, the frame having terminals for electrically interconnecting the leads of the unit to power source leads so that the power source leads will be directly and electrically interconnected to the terminals of the heaters by the unit. A temperature responsive power device is carried by the frame and is responsive to the output temperature effect of the electrical heaters, the temperature responsive power device being operatively associated with the unit to move the unit out of the one position thereof to disconnect the leads thereof from the terminals of the heater when the temperature responsive device senses a certain adverse output temperature effect of said electrical heaters.

Abstract: A combination fuse injector and ejector for cartridge type fuses includes a molded plastic open top receptacle, or shroud, having protective peripheral walls, a bottom wall and a hinged cover. The bottom wall includes an opening adjacent each end of the receptacle through which conventional fuse holding contact clips rigidly attached to a mounting surface can enter the receptacle. The bottom wall includes an integral external pedestal which provides a loosely coupled captive mounting for the receptacle on the mounting surface. The bottom wall of the shroud also includes a fuse-ejecting internal surface extending between the pair of contact clips whereby the fuse may be ejected from the clips by a lifting of the shroud on its loosely captive pedestal. The cover includes an integral class for lightly gripping the fuse to retain it during the ejection operation and to accept a replacement fuse for injection into the clips.

Abstract: An electrical connector plug comprising a body containing first electrical connector elements adapted for electrical connection with an electrical device and second electrical connector elements adapted for electrical connection with an electrical power source. Electrical fuses are replacably mounted in a carrier casing which is pivotably moveable between a first operative position in which the fuses electrically connect the first and second connector elements and a second inoperative position in which the first and second connector elements are disconnected and the fuses are accessible for removal and replacement. The carrier casing can carry replacement fuses.