Abstract: A visual trip indicator for a circuit breaker is disclosed. The electronic components of a visual trip indicator are enclosed in a module that attaches to the circuit breaker handle or within pocket defined in the circuit breaker housing. The visual trip indicator includes a light source operated by a state machine which clearly indicates which circuit breaker, of a group of circuit breakers or in a poorly illuminated enclosure, is tripped. The visual trip indicator also indicating, by a coded light signal, the approximate remaining life of an independent power supply powering the visual trip indicator.

Abstract: A smart window configured to transition between a substantially transparent state and a dimmed state. The smart window includes a first substantially transparent conductive layer; an ion storage layer on the first substantially transparent conductive layer; an electrolyte layer on a side of the ion storage layer away from the first substantially transparent conductive layer; an electrochromic layer on a side of the electrolyte layer away from the ion storage layer; a second substantially transparent conductive layer on a side of the electrochromic layer away from the electrolyte layer; and an antenna layer configured to receive wireless power transmissions to provide energy for the smart window to transition between the substantially transparent state and the dimmed state. An orthographic projection of the electrochromic layer on the first substantially transparent conductive layer substantially covers an orthographic projection of the antenna layer on the first substantially transparent conductive layer.

Abstract: A fuse includes an integrated measuring function. In an embodiment, the fuse includes a fuse housing which in turn has a first receiving space delimited by a pressure body and a second receiving space which is spatially separated from the first receiving space and is delimited by a protective body, the first and second receiving spaces being arranged one behind the other in a direction of longitudinal extent. A fusible conductor is accommodated and mounted in the first receiving space and a measuring device is accommodated and mounted in the second receiving space. The measuring device has a current transformer and an electronic assembly which is electrically conductively connected to the current transformer. The current transformer and the electronic assembly are arranged one behind the other in the direction of longitudinal extent.

Abstract: Disclosed is a power conversion device comprising: a case; a switching unit comprising a plurality of switches which are disposed on one side of the case; a transformer disposed on one side of the case; and a clip for fixing the plurality of switches. The clip comprises: a body part which is fixed to the case; and elastic parts which extend from the body part and are for pressing the plurality of switches to the case. The body part comprises a plurality of first through holes into which screws are coupled. And the first through holes are disposed between two adjacent elastic parts.

Abstract: An LED component comprises a plurality of fused light-emitting diodes (LEDs) (e.g., micro-transfer printable or micro-transfer printed LEDs). Each fused LED comprises an LED with first and second LED electrical connections for providing power to the LED and a fuse with first and second fuse electrical connections. The first LED electrical connection is electrically connected to the first electrode. The first fuse electrical connection is electrically connected to the second LED electrical connection and the second fuse electrical connection is electrically connected to the second electrode. A fused LED source wafer comprises an LED wafer having a patterned sacrificial layer forming an array of sacrificial portions separated by anchors and a plurality of fused LED components, each fused LED component disposed entirely on or over a corresponding sacrificial portion. A light-emission system comprises a system substrate and a plurality of fused LED components disposed on or over the system substrate.

Abstract: A vehicle is disclosed for indicating when a fuse is blown in a vehicle fuse box. An example vehicle includes an electrical system, a fuse box comprising a door and an inner panel, covered in part with respective luminous materials and a plurality of fuses positioned inside the fuse box, coupled to the electrical system. Each fuse comprise an LED coupled between terminals of the fuse, and a lens configured to direct light from the LED toward the door and the inner panel.

Abstract: A surge protective device (SPD) module includes a module housing, first and second module electrical terminals mounted on the module housing, an overvoltage clamping element electrically connected between the first and second module electrical terminals, and a thermal disconnector mechanism. The thermal disconnector mechanism is positioned in a ready configuration, wherein the overvoltage clamping element is electrically connected with the second module electrical terminal. The thermal disconnector mechanism is repositionable to electrically disconnect the overvoltage clamping element from the second module electrical terminal.

Abstract: Disclosed embodiments relate to a battery disconnect unit capable of being stably driven, and minimizing damage of a circuit, by including a means to protect the circuit at high temperatures without an additional power source. In some embodiments, the battery disconnect unit includes a first main relay electrically connected between a first pole of a battery and an inverter; a second main relay electrically connected between a second pole of the battery and the inverter; a pre-charge relay connected to the second main relay in parallel; and a self-operating switch connected between the first pole of the battery and the second main relay, and configured to autonomously open a circuit providing an electric power from the battery when a ambient temperature is drastically increased, or when an over-current occurs.

Abstract: A safety system for high current applications, having a high current circuit breaker and a housing enclosing the high current circuit breaker. The housing forms a plug connector for electrical contact and mechanical connection to a mating plug connector, and the high current circuit breaker can also be accommodated in a permanently closed manner.

Abstract: A thermal fuse having a bow, which has a first end with a first soldering surface for soldering to a first contact surface of a printed circuit board and a second end with a second soldering surface for soldering to a second contact surface of the printed circuit board, a tensioning element, which is secured to the bow between the first and the second end and which is designed to press with a preload against the bow and the printed circuit board once the two soldering surfaces and the contact surfaces of a printed circuit board have been soldered, wherein a portion of the bow, between the two ends thereof, has a measuring resistor connected in series to the two soldering surfaces. A printed circuit board having such a thermal fuse is additionally described.

Abstract: An arrangement for monitoring a condition of a direct current voltage circuit including first and second supply poles for forming an operating voltage. A first fuse is connected to the first supply pole, and has a supply pole and an output pole. A second fuse is connected to the second supply pole, and has a supply pole and an output pole. The arrangement can form one or several reference voltages (UREFa,UREFb,UREFc), can form a first measurement voltage (U1a,U1b,U1c,U1d) between the output pole of the first fuse and the supply pole of the second fuse, and can form a second measurement voltage (U1a,U1b,U1c,U1d) between the output pole of the second fuse and the supply pole of the first or the second fuse. One or several reference voltages and measurement voltages can be compared to estimate a condition of the first and second fuse, and a comparison result can be indicated.

Abstract: Fuse assemblies in the form of fuse blocks and fuse holders include embedded permanent magnet arc suppression features that facilitate higher voltage operation of fusible circuit protection without increasing the size of the fuse assemblies. The embedded magnets apply an external magnetic field upon an overcurrent protection fuse and produce an arc deflection force to enhance arc quenching capability of the fuse without increasing its form factor.

Abstract: A removable telecommunication sensor module is configured to be removably coupled between a power protection device and a backplane. The removable telecommunication sensor module monitors energy usage at a telecommunication equipment circuit level for a piece of telecommunication equipment arranged in a telecommunication network infrastructure.

Abstract: A flip lid interlock that disables or locks out operation of non-GFCI duplex receptacles when, a generator is coupled to the wiring system of a building (and therefore is grounded). When the power cord that is interconnected with the building wiring system is engaged with the multipole locking receptacle, the flip lid is in an open position and prevents an electrical device from being powered by the generator using the duplex receptacles. When the power cord is not connected to the multipole locking receptacle, the flip lid is in a closed position and allows an electrical device to be powered by the generator using the duplex receptacles.

Abstract: A monitoring module for a fusible switch disconnect device includes an open fuse detecting element and wire leads for completing an electrical connection with a fuse.

Abstract: A fusible link unit includes a conductive bus-bar having a fusible portion, a resin housing molded integrally with the bus-bar and including a locking projection, and an exposing window portion for exposing the fusible portion, such that the resin cover is capable of being locked to the locking projection so as to cover the fusible portion, where a half-fitting prevention projection is provided at a periphery of the exposing window portion to prevent half-fitting while suppressing an increase in projection costs.

Abstract: A fuse state indicator for a cascading fuse multiple discharge device including a fiber optic cable having a first end, a second end, and an intermediate segment. The intermediate segment is configured for attachment to a fuse assembly of a fuse panel where the fuse panel is arranged for physically severing the intermediate segment of the fiber optic cable in response to discharge of the fuse assembly.

Abstract: The invention relates to a fuse (3) for connection to a protective component (2) of an overvoltage protective device (2), wherein the fuse (3) has a housing (3f), a first cap (3a), a second cap (3b) and a fuse wire (3d), which runs within the housing between the first cap (3a) and the second cap (3b), wherein the first cap (3a) is designed for thermal and electrical connection to the protective component (2), wherein the fuse wire (3d) is held on the first cap (3a) by means of a soldered connection (3c), wherein the fuse wire (3d) is fastened to a connection electrode (4) opposite the first cap (3a), wherein the connection electrode (4) is held in a guide (8) so as to be movable with respect to the body of the fuse (3) and is under a mechanical pretension (6) with respect to the body of the fuse (3), wherein the fuse wire (3d) is designed such that it melts when acted on with a high I2t, and wherein the soldered connection (3c) is designed such that the soldered connection (3c), in the event of external heati

Abstract: A fuse box system and method providing for visual and/or remote sensing of interrupted fusing elements is disclosed. The system incorporates LEDs and/or remote sensing apparatus to permit indication of a “blown” fuse and/or circuit protection breaker. This system may be configured for both polarized and/or non-polarized applications and generally provides for indicator illumination when a fuse/breaker is blown. Some preferred embodiments may incorporate current sourcing technologies to permit operation of the system over wide range of system voltages, as well as provisions for wired and/or RF/wireless interrogation of the fuse/breaker status. Alternate embodiments including systems/methods to permit remote sensing of fuse status and/or circuit current monitoring, and may be retrofit within existing fuse/breaker panel systems in some configurations.

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: The invention relates to an overvoltage protection device having one or more parallel-connected voltage-limiting elements which are located in one physical unit, such as varistors, diodes or means of this type configured in the form of a disc, comprising a shell apparatus in order to electrically disconnect the overvoltage-limiting elements when they are thermally overloaded, and means for indication and/or signalling of the fault state which then occurs, wherein the switching apparatus is connected via a means which can be released thermally, such as adhesive or a solder, to a connecting contact of the at least one overvoltage-limiting element, and/or to an external terminal contact or plug contact. According to the invention, the switching apparatus is in the form of a solid U-shaped switching fork, the fork tines of which run essentially parallel to the side surfaces of the overvoltage-limiting element, holding the latter in the space between the tines.

Abstract: A current protection device includes stacking first substrate, support layer, circuit layer, and second substrate. The surface of the first substrate attached to the support layer is an arrangement surface, and the surface of the second substrate attached to the circuit layer is a contact surface. The contact surface has a second recess, and the arrangement surface selectively has a first recess. The recesses serve to release pressure and to ensure the circuit is entirely blown by over current so as to prevent an arc effect. Besides the over current protection for electric equipment, the current protection device can be applied to light and small electronic device.

Abstract: A fuse box system that combines a series of specially designed fuses in a fuse box that allows an individual to see if one or more particular fuses within the fuse box are broken. The fuse has one of two different configurations, depending on whether the fuse is used in a system that is used in a polarized or non-polarized system. In each scenario, the fuse includes a number of diodes, one of which is a light emitting diode (LED) that will be lit up when the fuse is working and will not be lit up when the fuse is broken and/or not working. Another embodiment utilizes solely LEDs.

Abstract: A fuse state indicator for a cascading fuse multiple discharge device including a fiber optic cable having a first end, a second end, and an intermediate segment. The intermediate segment is configured for attachment to a fuse assembly of a fuse panel where the fuse panel is arranged for physically severing the intermediate segment of the fiber optic cable in response to discharge of the fuse assembly.

Abstract: Fuse state indicators for use with disconnect devices having a fuse are provided. Fuse state indicators include a housing having circuitry, a detecting means for detecting an open circuit condition, conductors adapted for electrical connection to a disconnect device so as to complete a circuit connecting the detecting means with a fuse of the disconnect device, and a signal transmitting means The detecting means is configured to transmit a signal to the signal transmitting means for determining an operational state of the fuse. The signal transmitting means, in turn, is configured to transmit a signal to a remote device the state of the fuse.

Abstract: A fusible link unit includes a conductive busbar, a resin housing, and a resin cover. The conductive busbar includes a fusible part. The resin housing is integrally formed at a predetermined position of the busbar. The resin cover is locked so as to cover an exposure window of the resin housing which is formed so that the fusible part is faced. The resin housing has an integral wall at the back position of the exposure window which faces the fusible part.

Abstract: Fuse state indicators include temperature responsive elements adapted to visually display a number of different fuse states. The displays may include distinct colors and markings that are made visible or concealed from view based on temperature ranges that the fuse is exposed to in use. Various temperature sensitive elements and various markings are disclosed to convey at least three distinct fuse states to interested persons at the location of the fuse.

Abstract: Electrical fuse indicators, systems and methods for detecting when fuses enter an open state involve a wireless identification element, which alerts a communication unit that the fuse has entered an open state. The wireless identification device may include an antenna. The antenna may be in contact with a fuse element, such that opening of the fuse element renders the antenna inoperable. Alternatively the antenna may be connected to the fuse element in such a manner that opening of the fuse element alters the frequency on which the antenna transmits. A logic port may also be used to detect the operational state of a fuse. Use of such indicators is compatible with existing infrastructure.

Abstract: A monitoring module for a fusible switch disconnect device includes an open fuse detecting element and wire leads for completing an electrical connection with a fuse.

Abstract: A fuse circuit includes a fuse configured for programming a configuration of an integrated circuit device and a resistive element having a known resistance value operably coupled in parallel with the fuse. The fuse and the resistive element form a parallel circuit configured for quickly sensing a state of the fuse in relation to the known value of the resistive element. In one embodiment, the device may further include a sense circuit operably coupled to the parallel circuit combination of the fuse and the resistive element. The sense circuit is configured to sense one of a FUSED state and an UNFUSED state of the fuse, for example, based on a comparison between a reference resistance and a FUSED resistance of the fuse when coupled to the known resistance. The fuse may comprise a programmable fuse, and the resistive element may comprise a MOS transistor.

Abstract: A fuse includes a fuse state indicator on the exterior surface of the fuse body. The fuse state indicator includes an electrically conductive element electrically connected to and extending between the terminal elements. A temperature sensitive element proximate and in thermal contact with the electrically conductive element includes material capable of changing color when heated to a predetermined transition temperature to form a mark on the temperature sensitive element. The fuse state indicator forms a first mark on the temperature sensitive element when heat from the electrically conductive element transfers to the temperature sensitive element in response to a first overcurrent condition, and forms a second mark, distinct from the first mark, on the temperature sensitive element when heat from the electrically conductive element transfers to the temperature sensitive element in response to a second overcurrent condition distinct from the first overcurrent condition.

Abstract: Fuse state indicators for use with disconnect devices having a fuse are provided. Fuse state indicators include a housing having circuitry, a detecting means for detecting an open circuit condition, conductors adapted for electrical connection to a disconnect device so as to complete a circuit connecting the detecting means with a fuse of the disconnect device, and a signal transmitting means The detecting means is configured to transmit a signal to the signal transmitting means for determining an operational state of the fuse. The signal transmitting means, in turn, is configured to transmit a signal to a remote device the state of the fuse.

Abstract: Fuse state indicators for use with disconnect devices having a fuse are provided. Fuse state indicators include a housing having circuitry, a detecting means for detecting an open circuit condition, conductors adapted for electrical connection to a disconnect device so as to complete a circuit connecting the detecting means with a fuse of the disconnect device, and a signal transmitting means. The detecting means is configured to transmit a signal to the signal transmitting means for determining an operational state of the fuse. The signal transmitting means, in turn, is configured to transmit a signal to a remote device the state of the fuse.

Abstract: The present invention teaches an overvoltage protection device that includes at least one non-linear resistance element and a single cut-off device coupled with the at least one non-linear resistance element to disable the at least one non-linear resistance element when the at least one non-linear resistance element reaches a pre-determined temperature. The single cut-off device may include stranded wire, a first solder having a first melting point connecting the stranded wire to the at least one non-linear resistance element, and a second solder having a second melting point, higher than the first melting point, connecting the stranded wire to the at least one non-linear resistance element. The single cut-off device may further include a shifting part that shifts when the at least one non-linear resistance element heats the first solder to the first melting point.

Abstract: A fuse comprising a fuse body having ferrules at opposing ends, a fuse state indicator located on the surface of the fuse body wherein the fuse state indicator may be temperature sensitive or voltage sensitive and a wire extending from one ferrule to the other ferrule wherein the wire is positioned along the surface of the fuse body. The fuse state indicator senses heat generated by the wire or voltage flowing through the wire.

Abstract: A fuse for a moderately hazardous environment comprising includes: (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 protection cover used for avoiding the influence brought about by the temperature effect of a varistor is proposed. The protection cover is made of ceramic or refractory material, and is used to bear high temperature generated when a metal oxide varistor breaks down to catch fire and to further cover the fire therein, thereby preventing the fire from burning out application components around the metal oxide varistor. Moreover, accommodation portions and grooves for receiving temperature breakers are disposed on the protection cover to provide a better contact surface between the protection cover and the temperature breakers so that the temperature breakers can more accurately detect the temperature on the protection cover, hence reducing the occurrence of the situation of erroneous actions.

Abstract: A lamp type light emitting device for safety fuse, including a substrate, an electrode layer, a chip set, a wire set, two leads and an encapsulator. The electrode layer is arranged on the substrate and includes a first T-shaped electrode, a second T-shaped electrode, a first stripe electrode and a second stripe electrode. The chip set includes a first resistor chip and a first light emitting chip arranged on the first T-shaped electrode and a second resistor chip and a second light emitting chip arranged on the second T-shaped electrode. The wire set has fuse wires electrically connected the first resistor chip, the first light emitting chip, the first stripe electrode, the second resistor chip, second light emitting chip, and the second stripe electrode. The leads are electrically connected to the first and the second T-shaped electrodes. The encapsulator encapsulates the electrode layer, the chip set and the wire set.

Abstract: A fuse including a fuse housing having first and second electrical terminals, a movable partition made from an electrically conductive material movably disposed within the fuse housing, a fusible structure connected between the first electrical terminal and the movable partition, a conductor connected between the movable partition and the second electrical terminal, a biasing element acting on the movable partition to maintain the fusible structure in tension and for moving the movable partition upon melting of the fusible structure and an indicator connected between the movable partition and the second electrical terminal.

Abstract: A fuse box system that combines a series of specially designed fuses in a fuse box that allows an individual to see if one or more particular fuses within the fuse box are broken. The fuse has one of two different configurations, depending on whether the fuse is used in a system that is used in a polarized or non-polarized system. In each scenario, the fuse includes a number of diodes, one of which is a light emitting diode (LED) that will be lit up when the fuse is working and will not be lit up when the fuse is broken and/or not working.

Abstract: A fusible link unit includes a housing and two fuse circuit bodies overlapped with each other and received in the housing in a thickness direction of the housing. A coupling plate and terminals connected to each other via fuse elements integrally forms the fuse circuit body. An opening is formed on an outer wall of the housing. The housing includes a cover made of transparent material and having a U-shaped section for covering the opening. The cover integrally includes a projection projecting to an inside of the housing on a sidewall of the cover. The projection includes a reflecting wall sloping on the sidewall in a thickness direction of the housing 7.

Abstract: Electrical fuse indicators which may be used to diagnose and identify a fault state or failure mode of the electrical fuse include in various exemplary embodiments, indicator materials such as a reactive material, which are incorporated into various fuse indicator devices to cooperate with a visually perceptible indicator portion or layer to indicate the failure mode or fault state if the electrical fuse.

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: One embodiment of the present invention provides a fuse having opened-fuse indication, which places two or more coils or conductors in parallel and in thermal contact with an indicating material. The multiple conductors allow a lower level of current to produce sufficient heat or sufficient electrical resistance to transform the indicating material. The multiple conductors can also be made of a reduced diameter, resulting in surge protection at a lower device temperature. The multiple conductor indicator in an embodiment includes a base material. First and second conductors contact the base material. An indicating material thermally couples to the first and second conductors. The indicating material can be on the inside or outside of the fuse body. If on the outside, the body can define a recess, wherein the indicator resides within the recess. The indicator can operate with fuses and other types of circuit protection devices.

Abstract: A fuse component with an optical indicator, which has a first terminal (2) and a second terminal (3) and also a fusible link (4), which connects the terminals (2) and (3) in an electrically conducting manner. Connected in parallel with the fusible link (4) is at least one LED (8), which indicates the failure of the fuse if the fusible link (4) is interrupted. Preferably two LEDs are connected in antiparallel with the fusible link.

Abstract: A fuse for a moderately hazardous environment comprising includes: (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 fuse circuit includes a fuse configured for programming a configuration of an integrated circuit device and a resistive element having a known resistance value operably coupled in parallel with the fuse. The fuse and the resistive element form a parallel circuit configured for quickly sensing a state of the fuse in relation to the known value of the resistive element. In one embodiment, the device may further include a sense circuit operably coupled to the parallel circuit combination of the fuse and the resistive element. The sense circuit is configured to sense one of a FUSED state and an UNFUSED state of the fuse, for example, based on a comparison between a reference resistance and a FUSED resistance of the fuse when coupled to the known resistance. The fuse may comprise a programmable fuse, and the resistive element may comprise a MOS transistor.

Abstract: A circuit protection device includes a case having a transverse top portion provided with a central receiving opening and two locating holes, and two wall portions downward extended from a middle part of the transverse top portion to define a receiving space therebetween for communicating with the receiving opening and locating holes; a cutout unit having two conducting plates connected via a bridge portion, and being inserted in the receiving space with the conducting plates engaged with the locating holes and partially projected from two longitudinal edges of the wall portions; and a bipolar LED mounted in the receiving opening and having a conducting portion in contact with two pins of the cutout unit, and a light source. In an overcurrent state, the bridge portion is burned out, and current flows through the bipolar LED for the same to emit light as a cutout warning signal.

Abstract: Electrical fuse indicators used to detect when fuses enter an open state. Each fuse in an electrical system may be connected to a wireless identification element, which alerts a communication unit that the fuse has entered an open state. The wireless identification device may include an antenna. The antenna may be in contact with a fuse element, such that opening of the fuse element renders the antenna inoperable. Alternatively the antenna may be connected to the fuse element in such a manner that opening of the fuse element alters the frequency on which the antenna transmits. A logic port may also be used to detect the operational state of a fuse. Use of such indicators is compatible with existing infrastructure.

Abstract: One embodiment of the present invention provides a fuse having opened-fuse indication, which places two or more coils or conductors in parallel and in thermal contact with an indicating material. The multiple conductors allow a lower level of current to produce sufficient heat or sufficient electrical resistance to transform the indicating material. The multiple conductors can also be made of a reduced diameter, resulting in surge protection at a lower device temperature. The multiple conductor indicator in an embodiment includes a base material. First and second conductors contact the base material. An indicating material thermally couples to the first and second conductors. The indicating material can be on the inside or outside of the fuse body. If on the outside, the body can define a recess, wherein the indicator resides within the recess. The indicator can operate with fuses and other types of circuit protection devices.