Abstract: Methods, systems, and apparatuses are described for transferring power. A power transfer device may be configured to securely fit in a fuse block, fuse holder, and/or the like. The power transfer device may transfer power from a source to a load connected to the fuse block, fuse holder, and/or the like, while also isolating the power to prevent the power from backfeeding to the source. The power transfer device may be used to perform testing, measurements, and/or analysis (e.g., voltage measurements, power measurements, frequency analysis, system impedance testing, etc.).

Abstract: The present disclosure provides a multifunctional high-voltage connector and a battery product, the multifunctional high-voltage connector comprises: an upper cover; a pedestal; a conductive connection structure; two mating terminals; and a harness assembly. The conductive connection structure is used to make the two mating terminals be connected in series, and the harness assembly is directly connected to one of the mating terminals. When the upper cover and the pedestal are assembled, the conductive connection structure is simultaneously in contact with the two mating terminals, thereby turning on the high-voltage circuit. When the battery product requires maintenance, the upper cover is directly detached from the base, thereby turning off the high-voltage circuit. The battery product can be electrically connected to an external device via the harness assembly.

Abstract: This disclosure describes techniques implemented at least in part by a fuse-monitoring device to detect when a fuse cutout in an electric power system opens to disconnect a device and/or a load from a power line, and provides an indication of a location of the opened fuse cutout to a utility provider. The fuse-monitoring device may be attached to a fuse holder of the fuse cutout, and may include a movement sensor that detects when the fuse holder swings open due to its fuse melting, or blowing. The fuse-monitoring device may send a notification to the utility provider indicating that the fuse holder has swung open. The fuse-monitoring device may include a GPS sensor to determine the location of the fuse cutout, and may also notify the utility provider of the location of the fuse cutout so a line crew can quickly locate the fuse cutout that requires maintenance.

Abstract: The invention relates to a power distribution unit (1), such as a fuse box for a vehicle, for providing a protected electrical connection between a power supply cable and a plurality of distribution cables (7). The unit comprises a housing (2) and, received in said housing: —a bus bar (5) configured to be connected to the power supply cable; —a plurality of fuses (10), each fuse comprising a body (15), a first end portion (11) configured to be connected to the bus bar (5), and a second end portion (12) configured to be connected to a distribution cable (7); —at least one retainer (20) for maintaining the bus bar (5) in position with respect to the housing (2); —at least one positioner (40) for positioning the fuse first end portion (11) relative to the bus bar (5) along directions (X, Y) substantially parallel to the bus bar; —a biasing member (30) configured to urge the fuse first end portion (11) towards the bus bar (5), to cause the fuse first end portion to remain in contact with the bus bar.

Abstract: Magnetic connector systems including a plug connector and a connector receptacle. In one example, the plug connector can include a magnetic target around a signal pin, where the signal pin is insulated from a plug enclosure by an insulating housing. The connector receptacle can include a magnet that is attracted to the magnetic target. The connector receptacle can contact the plug enclosure using one or more conductive springs. The one or more springs can deflect during an insertion of the plug enclosure. In another example, this deflection can act to expel moisture from the connector receptacle through drip holes in an enclosure for the connector receptacle.

Abstract: A vertical surface mount device pass-through fuse including an electrically insulating fuse body, a fusible element disposed on a first side of the fuse body and extending between first and second terminals, an electrically insulating cap having a domed portion and a flanged portion extending from the domed portion, the domed portion disposed over the fusible element, and the flanged portion affixed to the fuse body, and a conductive lead frame having a bow portion and an elongate shank portion extending from the bow portion, wherein the bow portion is disposed on the cap and is connected to the first terminal, and wherein the shank portion extends away from the fuse body.

Abstract: The present invention provides a fuse unit, which reduces the number of components of a bus bar and eliminates alignment of tuning fork terminals, and a method of manufacturing the fuse unit. Disclosed is a method of manufacturing a fuse unit, which includes a bus bar including a battery terminal, a fuse connection terminal, and an external connection terminal and is manufactured by integrating the bus bar and a resin covering body by insert molding. In this manufacturing method, the fuse connection terminal is constituted of an input side tuning fork terminal connected to the battery terminal and an output side tuning fork terminal connected to the external connection terminal, the input side tuning fork terminal and the output side tuning fork terminal are connected by a joining portion so as to face each other, the bus bar including the fuse connection terminal is integrated with the resin covering body by insert molding.

Abstract: A circuit protection assembly includes a mounting block, a unitary fuse assembly, a post assembly and a plug connector. The unitary fuse assembly is disposed the mounting block and includes a plurality of fuses each of which is defined by a portion of a bus plate disposed on the lower surface of the mounting block to form a first terminal of the fuse, a second terminal disposed at least partially on the upper surface of the mounting block and a fuse element connecting the first terminal and the second terminal. The post assembly is disposed at least partially within the mounting block and a post extending from the block. The plug connector extends from a portion of the first terminal of at least one of the plurality of fuses.

Abstract: An improved secure electrical conductor providing a male and female connector forming a secure seal when the connectors and pins are joined having at least one radial rounded expansion secured within at least one radial rounded groove, the connectors forming a respective resilient shield body sharing a common bore wherein a distinctly color contrasting secure indicator pin is forcefully inserted providing a visual indication of the integrity of the connection between the connectors with the pin providing at least two expanded radial margins to prevent unintentional removal from the common bore, but removable by force during disconnection of the connectors.

Abstract: A fuse terminal includes a central body portion. A first arm extends from the central body portion and defines an arm space that is located on a fuse side of the central body portion. A connector portion also extends from the central body portion and includes a leg that extends on the fuse side of the central body portion.

Abstract: A fuse unit includes a bus bar and an insulating protection portion. The bus bar has a power supply connection portion, an output connection portion, and a terminal installation recess provided around the power supply connection portion. The insulating protection portion is disposed on an outer surface of the bus bar so that portions of a surface of the bus bar in the power supply connection portion, the output connection portion, and the terminal installation recess are exposed from the insulating protection portion.

Abstract: Certain aspects are directed to a thermal fuse for preventing overheating of RF devices in a telecommunication system. The RF thermal fuse includes a body, a conductive bolt, and a driving mechanism. The body can be positioned on a transmission line between an RF signal source and an RF device. The conductive bolt is positioned in the body. The conductive bolt has a length sufficient to provide impedance at a point of protection on the transmission line in response to the conductive bolt contacting a live conductor of the transmission line. The impedance is sufficient to reflect a portion of the incident power of an RF signal from the RF source. The driving mechanism can cause the conductive bolt to contact the live conductor in response to a temperature at or near the point of protection exceeding a threshold temperature.

Abstract: A circuit breaker adapter is disclosed for use in a fuse holder therein replacing a blade type fuse. The adapter includes a housing and a modified circuit breaker where pronged terminals are pivotally attached conductive articulable extensions. The housing is a contiguous block of material that receives the modified circuit breaker and gripping clips of the fuse holder. The housing has a center chute shaped section that holds the circuit breaker. In particular, the inside of the housing has a pair of accessible open cavities to receive the extensions similar to many fuses. The circuit breaker literally plugs into sockets on the housing, and the extensions are rotated outward into one of the accessible open cavities. The adapter may be placed into the fuse holder.

Abstract: An electrical cut-off device (1) with a single cut-off which comprises fuse boxes (5) that are each provided with a fuse (50) connected in series with the single cut-off element. The fuse box is a separate element mounted onto the electrical cut-off device and comprises a handle (55) that is movable, relative to the electrical cut-off device, into a passive position where the fuse box is connected to the electrical cut-off device but not locked, the electrical cut-off device being in an open position, an active position wherein the fuse box is connected and locked to the electrical cut-off device, the electrical cut-off device is switchable between open and closed positions and an intermediate position where the fuse box is partially removed from the electrical cut-off device and forms a disconnected position.

Abstract: A subsea fuse assembly is provided. The subsea fuse assembly is adapted to be operated in a pressurized environment. The subsea fuse assembly includes an enclosure adapted to be filled with a dielectric liquid, and a pressure compensator including a flexible element for pressure compensation. The subsea fuse assembly also includes a first penetrator and a second penetrator each passing through a wall of the enclosure for leading a first electric conductor and a second electric conductor, respectively, into the enclosure. The subsea fuse assembly includes a fuse arranged inside the enclosure and connected between the first electric conductor and the second electric conductor.

Abstract: The present invention provides a complex type fusible link which includes an insulative block base including a plurality of cavities; a conductive connecting plate which is integrally embedded in the insulative block base, a part of the conductive connecting plate being exposed to at least one of the cavities; a plurality of fusible elements each of which is accommodated in corresponding one of the cavities and includes a first end which is connected to the part of the conductive connecting plate and a second end; and a plurality of terminals each of which is integrally embedded in the insulative block base and includes a first end which is connected to the second end of corresponding one of the fusible elements and a second end which is exposed from the insulative block base.

Abstract: A fuse according to the present invention includes terminal connecting portions connected to a counterpart terminal, and a fusible portion provided between terminal connecting portions and breaking a current not less than a rated current, and the terminal connecting portions and the fusible portion are integrally formed with a conductive plate. The terminal connecting portion includes a main body face and a bent face bent from the main body face and brought into contact with the main body face. The fusible portion includes a fusible conductor portion connecting a pair of the main body faces with each other, low-melting point metal provided on the fusible conductor portion and having a lower melting point than the fusible conductor portion, and a swaging portion for swaging and fixing the low-melting point metal. The swaging portion is bent toward a side of the bent face to fix the fusible conductor portion.

Abstract: A subsea fuse assembly is provided. The subsea fuse assembly is adapted to be operated in a pressurized environment. The subsea fuse assembly includes an enclosure adapted to be filled with a dielectric liquid, and a pressure compensator including a flexible element for pressure compensation. The subsea fuse assembly also includes a first penetrator and a second penetrator each passing through a wall of the enclosure for leading a first electric conductor and a second electric conductor, respectively, into the enclosure. The subsea fuse assembly includes a fuse arranged inside the enclosure and connected between the first electric conductor and the second electric conductor.

Abstract: A blade fuse includes a first terminal includes an outer edge and an inner edge, the inner edge includes a first portion notched away from the inner edge beneath the first portion; a second terminal includes an outer edge and an inner edge, the inner edge include a second portion notched away from the inner edge beneath the second portion; an element extending from the first portion of the inner edge of the first terminal to the second portion of the inner edge of the second terminal; and a housing covering the element.

Abstract: A surface mount fuse in one embodiment includes an insulative body, first and second conductive and caps attached to the insulative body, each end cap defining an aperture, and a fuse element extending (i) through the insulative body and the apertures and (ii) along outside surfaces of the first and second conductive end caps in such a way that solder used to attach the first and second conductive end caps to an external medium also fastens the fuse element to the first and second end caps.

Abstract: An electrical fuse structure includes a top conductive pattern having a top fuse and a top fuse extension portion, a bottom conductive pattern having a bottom fuse and a bottom fuse extension portion corresponding to the top fuse extension portion, and a via conductive layer positioned between the top fuse extension portion and the bottom fuse extension portion for electrically connecting the top fuse extension portion and the bottom fuse extension portion.

Abstract: A connecting element for a secondary battery is installed along a path of current flowing through a secondary battery to electrically connect components and includes a first metal plate having a first protrusion formed to protrude at one side end thereof from the center portion with respect to a direction along the thickness of the first metal plate, a second metal plate located spaced apart from the first metal plate with a gap being formed therebetween and having a second protrusion formed to protrude at one side end thereof from the center portion with respect to a direction along the thickness of the second metal plate and configured to face the first protrusion, and an alloy bridge made of alloy material having a melting point lower than those of the first metal plate and the second metal plate and formed to fill the gap.

Abstract: A fusible switching disconnect device includes a switch housing and terminal cover therefore that blocks access to a line side fuse clip and prevents insertion of a rectangular fuse module when switch contacts in the device are closed. An interlock element further presents the fuse from being retracted when the switch contacts are closed.

Abstract: Modular fuse block assemblies configurable to accommodate overcurrent protection fuses of different physical sizes. Single and multi-pole blocks may be easily assembled from a reduced number of modular parts than would otherwise be required, with enhanced safety features and improved capability to meet spacing requirements in a multi-pole fuse block.

Abstract: A switchgear unit switches high DC voltages, particularly for interrupting of direct current between a direct current source and an electrical device. The switchgear unit contains two connections which project from a housing and which are electrically conductively coupled by a conductor path, a contact system which is arranged between the first and second connections and an isolating apparatus that can be tripped by a thermal fuse. The thermal fuse contains a melting location which is arranged in the conductor path and which is connected first to the contact system and second via a moving conductor section to the first connection. The isolating apparatus is tripped and the connection between the conductor section and the contact system is broken at the melting location when an arc produced when the contact system is opened has caused the melting temperature of the melting location to be reached or exceeded.

Abstract: A telecommunication surge protector system is provided. The surge protector has a transparent housing having four peripheral pins and a single central pin. The four peripheral pins are electrically connected to surge/non-surge protection components and communication transmission lines. The surge protector further has a fusible link, a voltage limiting component and a current liming component. Damage to the fusible link is visible through the transparent housing. The transparent nature of the housing also provides visual indication of the status of the communication transmission service with respect to the non-surge protection components. The present five pin surge protector is inserted into a socket of the telecommunication system. The socket of the present system has five openings, all of which are shallow; therein preventing the accidental insertion of a non-fusing surge protector pin into the system.

Abstract: A fuse for a moderately hazardous environment comprising: (i) a fuse element; (ii) first and second terminals connected to the fuse element; and (iii) a metal enclosure placed around the fuse element, the enclosure configured to protect the environment from an opening of the fuse element, and wherein the first and second terminals extend from the metal enclosure.

Abstract: A subsea fuse assembly is provided. The subsea fuse assembly is adapted to be operated in a pressurized environment. The subsea fuse assembly includes an enclosure adapted to be filled with a dielectric liquid, and a pressure compensator including a flexible element for pressure compensation. The subsea fuse assembly also includes a first penetrator and a second penetrator each passing through a wall of the enclosure for leading a first electric conductor and a second electric conductor, respectively, into the enclosure. The subsea fuse assembly includes a fuse arranged inside the enclosure and connected between the first electric conductor and the second electric conductor.

Abstract: The fuse assembly contains a first casing member with a first chamber, and a second casing member with a second chamber. An enclosed space is thereby formed by joining the first and second casing members together. A disconnection member is sandwiched between the first and second casing members. The disconnection member contains two electrodes and a fuse element between the two electrodes. Each electrode contains a first lateral section, a vertical section, and a second lateral section, jointly and integrally forming a C-like shape. The electrodes are positioned at two opposing ends of the second casing member and the fuse element is housed in the enclosed space. The enclosed space allows the fuse element to break off completely, thereby avoiding electrical arc and achieving enhanced usage safety.

Abstract: The invention is directed to a structure of positioning a cover of a miniature fuse device, characterized in that locking bumps are set at two sides of the body of the miniature fuse device and locking holes are set at two sides of the cover. When the body is received in the cover, the locking bumps of the body fix with the locking holes at the cover such that the cover can firmly join the body. Accordingly, the cover can be prevented from falling off due to improper external forces when the miniature fuse device is being transferred or stored.

Abstract: A fuse includes an upper shell, a lower shell and a cavity formed by the upper shell and the lower shell; first and second conductors which are respectively disposed between the upper shell and the lower shell. The first ends of each conductors are disposed in the cavity and form a clearance. The second ends of the conductors extend out from the cavity. A conductive bar is welded to the first and second conductors to form a first weld line and a second weld line.

Abstract: The invention relates to an electrical fuse (1) having a fuse housing (2) and at least two electrical contacts (3) accessible from outside of the fuse housing (2), which are 5 connected to each other inside the fuse housing (2) via a fusible conductor (4). To provide better thermal dissipation of the heat that is generated, a wall of the fuse housing (2) externally forms a fixing surface (12) for attaching the fuse (1).

Abstract: Radial fuses for protecting an electrical circuit include a nonconductive base provided with inverted flat faces sloped obliquely relative to one another that define a wider receiving area for installation of a fuse element. Restricted freedom of movement of the fuse element is accomplished, and greater fuse reliability is ensured.

Abstract: A power circuit interrupting device including a first housing including a pair of fixed electrodes and a fuse having terminals at both ends thereof, and a second housing including a moveable electrode, the moveable electrode interrupting electrical connection between the fixed electrodes when the second housing is uncoupled from the first housing, and establishing the electrical connection between the fixed electrodes when the second housing is coupled with the first housing. The first housing has an opening provided for carrying out a continuity test for the fuse. The opening is always covered with the second housing in a condition that continuity of a circuit is allowed. The power circuit interrupting device serves to facilitate the continuity test for the fuse built therein and comply with such a maintenance procedure that the continuity test should be carried out after interrupting continuity of the power circuit.

Abstract: A fusible link unit includes a fuse busbar and a housing. The fuse busbar includes a first busbar having a first input connecting portion; a second busbar having a second input connecting portion; and a fusible element provided between the first busbar and the second busbar. The housing is provided with the fuse busbar. The fusible element is configured to melt down when a current of a predetermined value is conducted therethrough. The first input connecting portion and the second input connecting portion are formed into the same shape. The first and second input connecting portions are passed through inserting holes, which are provided on both end portions of the housing, and are projected outwards. The housing is formed symmetrical transversely.

Abstract: Disclosed is a fuse resistor representing superior manufacturing efficiency and assembling reliability. The fuse resistor includes a resistor, a thermal fuse that is disconnected by heat generated from the resistor, and a case receiving the resistor and the thermal fuse therein and having a space section for transferring radiant heat of the resistor to the thermal fuse. Fillers are not required so that the manufacturing process is simplified. Since the assembling process is completed by covering a body of the case with a cap after the resistor and the thermal fuse have been inserted into the body, the manufacturing efficiency is improved.

Abstract: Disclosed are a thermal fuse resistor having a case injection-molded by using thermosetting resin having heat resistance less than that of a filler, a manufacturing method of the thermal fuse resistor, and a method of installing the thermal fuse resistor such that a resistor and a thermal fuse are laid down on a printed circuit board. In the thermal fuse resistor, through changing a material of the case, the case has a lighter weight and is not easily broken, so that the thermal fuse resistor is advantageously used for an electronic appliance because of its lightness and slimness. The thickness of the case of the thermal fuse resistor serves as the thickness of the electronic appliance employing the thermal fuse resistor, so that the thermal fuse resistor allows the electronic appliance to have a slim structure.

Abstract: A power shutoff device includes: a fuse to shut off conduction between the input potion connected to a power source side and the output portion connected to a load side; a box having a first face side with the input portion, the output portion, and the fuse to be assembled thereon; and a lock portion to fix one of the input portion and the output portion to the box. The one of the input portion and the output portion is integrally provided to the fuse. The other of the input portion and the output portion includes a first terminal portion integrally provided to the fuse and fixed to the box via a bolt, and a second terminal portion separately provided from the fuse and connected to the first terminal portion via a connecting member being attachable and detachable on a second face side of the box.

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: Electrical fuses include slip fit terminal elements coupled to the ends of a fuse element. The terminal elements may rotate relative to the fuse element ends as the fuses are bolted to circuit conductors and protect the fuse element from being damaged.

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: Modular fuse holders include dual studs with stepped configuration allowing the fuse holders to be universally used with and without bus bars while ensuring proper connection of a fuse.

Abstract: A fuse holder for an electrical fuse includes a first housing portion which has first and second electrical terminals disposed therein. A second housing portion is pivotally attached to the first housing portion, and is configured to carry the electrical fuse. Pivoting the first and second housing portions together automatically and sequentially connects the fuse carried by the second housing portion to the terminals disposed within the first housing portion. This provides a convenient mechanism for connecting and disconnecting the fuse, and facilitates the use of a fuse without its own insulating material.

Abstract: An appliance assembly includes an appliance and an appliance member. The appliance includes a wall defining a plurality of holes. The appliance member is carried by the appliance. The appliance member includes a housing which includes a snap-fit arrangement coupled with the appliance. The snap-fit arrangement includes a first plurality of ears and a second plurality of ears, the first and second plurality of ears snap-fittingly engaging the plurality of holes.

Abstract: A high voltage fuse which includes at least one fuse terminal located at a distal end of the fuse housing. One face of the fuse terminal includes an elongated groove and an opposite face includes at least two elongated grooves. An aperture extends through the fuse terminal from the first face to the second face. The first face is adapted for use with an eyebolt connector component to attach a single conductor to be in direct contact with the fuse terminal. The second face is adapted for use with a parallel groove connector clamping component to attach a pair of conductors in direct contact with the fuse terminal. Alternatively, the grooves on the first and second faces may be provided on a single face of the fuse terminal. The fuse terminal may also serve the function of a spade connector. Thus, the fuse terminal provides improved versatility to allow a variety of connectors to be used therewith.

Abstract: A fuse includes an insulating base and a conducting terminal installed in the insulating base, and the insulating base is integrally formed and includes a groove and two concave pits interconnected to the groove. The conducting terminal is accommodated in the groove, and includes two conductive handles, a fuse filament coupled to the two conductive handles, and a forked holding portion formed at an end of each conductive handle and fixed into the concave pit. The forked holding portion is compressed, and a surface of the insulating base is stamped, such that the conducting terminal is passed and fixed securely to the insulating base, and the fuse features a simple structure and an easy installation.

Abstract: A multi layer fuse device includes a substrate and an elongated fuse element, having a pair of contact pads formed therewith at opposed longitudinal ends thereof formed on one surface of the substrate. A pair of passivation layers are provided covering the fuse and contact pads. Windows may be opened through both passivation layers above both of the contact pads, and conductive electrode material is electroplated through the windows to contact the contact pads and to extend partially above a top surface of the passivation layers. Exposed electroplated material may be coated with solderable conductive material or a surface mount termination may be provided. Electroplated material may cover a portion of the fuse surface prior to application of the passivation layers and extend to an end of the substrate so that windows are not required.

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 blade fuse includes a first terminal includes an outer edge and an inner edge, the inner edge includes a first portion notched away from the inner edge beneath the first portion; a second terminal includes an outer edge and an inner edge, the inner edge include a second portion notched away from the inner edge beneath the second portion; an element extending from the first portion of the inner edge of the first terminal to the second portion of the inner edge of the second terminal; and a housing covering the element.

Abstract: An improved fusible element for use within a circuit protection device is provided which includes a double wound fusible element configured to withstand high surge current associated with inductive and capacitive loads. The fusible element includes an insulated core having a longitudinal axis, a first wire wound about the core along the longitudinal axis of the core, and a second wire wound substantially orthogonally about a longitudinal axis of the first wire such that the fusible element is configured to withstand an over-current surge condition.