Abstract: The disclosed concept relates to compositions and methods for the manufacture of electrically resistive, thermally conductive electrical switching apparatus. The composition includes a polymer component and a nanofiber component. The thermal conductivity of the nanofiber component is higher than the thermal conductivity of the polymer component such that the electrical switching apparatus which includes the composition of the disclosed concept has improved heat dissipation as compared to an electrical switching apparatus constructed of the polymer component in the absence of the nanofiber component. Further, the disclosed concept relates to methods of lowering the internal temperature of an electrically resistive, thermally conductive electrical switching apparatus by forming the internals of the apparatus, e.g., circuit breakers, and/or the enclosure from the composition of the disclosed concept.

Abstract: The disclosed concept relates to compositions and methods for the manufacture of electrically resistive, thermally conductive electrical switching apparatus. The composition includes a polymer component and a nanofiber component. The thermal conductivity of the nanofiber component is higher than the thermal conductivity of the polymer component such that the electrical switching apparatus which includes the composition of the disclosed concept has improved heat dissipation as compared to an electrical switching apparatus constructed of the polymer component in the absence of the nanofiber component. Further, the disclosed concept relates to methods of lowering the internal temperature of an electrically resistive, thermally conductive electrical switching apparatus by forming the internals of the apparatus, e.g., circuit breakers, and/or the enclosure from the composition of the disclosed concept.

Abstract: The disclosed concept relates to compositions and methods for the manufacture of electrically resistive, thermally conductive electrical switching apparatus. The composition includes a polymer component and a nanofiber component. The thermal conductivity of the nanofiber component is higher than the thermal conductivity of the polymer component such that the electrical switching apparatus which includes the composition of the disclosed concept has improved heat dissipation as compared to an electrical switching apparatus constructed of the polymer component in the absence of the nanofiber component. Further, the disclosed concept relates to methods of towering the internal temperature of an electrically resistive, thermally conductive electrical switching apparatus by forming the internals of the apparatus, e.g., circuit breakers, and/or the enclosure from the composition of the disclosed concept.

Abstract: A line terminal is for an electrical switching apparatus. The electrical switching apparatus includes a stationary contact and a movable contact structured to move into and out of engagement with the stationary contact in order to close and open the electrical switching apparatus, respectively. The line terminal includes a lip portion structured to be connected to the stationary contact in order to provide an electrical pathway therebetween; an arm portion extending from the lip portion, the arm portion having an engaging portion structured to receive and engage a conductive post member and provide an electrical pathway between the conductive post member and the stationary contact; a neck portion extending from the arm portion; and a tab portion extending from the neck portion and being located internal with respect to the engaging portion.

Abstract: A modular accessory system is structured to be mounted in a panel board including a housing assembly and a number of conductors with each conductor having a number of stabs extending therefrom. The modular accessory system includes an interface assembly structured to be selectively coupled to the panel board and a number of modules disposed on the interface assembly. Each module is structured to at least monitor or regulate one or more attributes of the panel board.

Abstract: A line terminal is for an electrical switching apparatus. The electrical switching apparatus includes a stationary contact and a movable contact structured to move into and out of engagement with the stationary contact in order to close and open the electrical switching apparatus, respectively. The line terminal includes a lip portion structured to be connected to the stationary contact in order to provide an electrical pathway therebetween; an arm portion extending from the lip portion, the arm portion having an engaging portion structured to receive and engage a conductive post member and provide an electrical pathway between the conductive post member and the stationary contact; a neck portion extending from the arm portion; and a tab portion extending from the neck portion and being located internal with respect to the engaging portion.

Abstract: A modular accessory system is structured to be mounted in a panel board including a housing assembly and a number of conductors with each conductor having a number of stabs extending therefrom. The modular accessory system includes an interface assembly structured to be selectively coupled to the panel board and a number of modules disposed on the interface assembly. Each module is structured to at least monitor or regulate one or more attributes of the panel board.

Abstract: An electrical enclosure that includes a dead front and a lockout switch is described herein. The lockout switch detects the position of the dead front. Based on the detected position of the dead front, the lockout switch actuates a power disconnection mechanism. In one embodiment, the disconnection mechanism is a shunt trip breaker that trips at least one circuit breaker when actuated by the lockout switch detecting removal of the dead front. The shunt trip breaker receives power from a main conductor to a coil that moves a solenoid.

Abstract: An improved connection apparatus is connectable with an elongated neutral bus to electrically connect a neutral conductor to the neutral bus. The connection apparatus is movable among any of a variety of positions along the neutral bus in order to facilitate connection of the various neutral conductors with the neutral bus at various desirable locations within an electrical enclosure. The connection apparatus is also advantageously removable from the neutral bus and is reinstallable thereon to facilitate changing the locations of the connections between the neutral conductors and the neutral bus and to avoid interference between any of a neutral connection, a connection apparatus, a neutral bus, and a circuit interrupter.

Abstract: The disclosed concept relates to compositions and methods for the manufacture of electrically resistive, thermally conductive electrical switching apparatus. The composition includes a polymer component and a nanofiber component. The thermal conductivity of the nanofiber component is higher than the thermal conductivity of the polymer component such that the electrical switching apparatus which includes the composition of the disclosed concept has improved heat dissipation as compared to an electrical switching apparatus constructed of the polymer component in the absence of the nanofiber component. Further, the disclosed concept relates to methods of towering the internal temperature of an electrically resistive, thermally conductive electrical switching apparatus by forming the internals of the apparatus, e.g., circuit breakers, and/or the enclosure from the composition of the disclosed concept.

Abstract: A circuit breaker is described herein that provides a ready visual and haptic indicator of prior use. The circuit breaker comprises a breaker body comprising insulative material. The circuit breaker further comprises a first mounting hole and a second mounting hole, the mounting holes having an inner circumferential dimension presenting a passage and adapted for slidable receipt of a power source. An interrupter is in communication with the first mounting hole and the second mounting hole, with the interrupter operable to terminate electrical flow outside configured parameters. An insert comprises a lip, an arm, a neck, and a tab, the lip being fixed to the breaker body and a first end of an arm. The arm's angularly orientation and length is configured for selective placement of said tab relative to said passage of said mounting hole. The neck is composed of deformable material and joined to second end of said arm. The tab is joined to the neck and coaxially aligned with the passage.

Abstract: An improved connection apparatus is connectable with an elongated neutral bus to electrically connect a neutral conductor to the neutral bus. The connection apparatus is movable among any of a variety of positions along the neutral bus in order to facilitate connection of the various neutral conductors with the neutral bus at various desirable locations within an electrical enclosure. The connection apparatus is also advantageously removable from the neutral bus and is reinstallable thereon to facilitate changing the locations of the connections between the neutral conductors and the neutral bus and to avoid interference between any of a neutral connection, a connection apparatus, a neutral bus, and a circuit interrupter.

Abstract: A trip mechanism includes a bimetal having a first side and an opposite second side, a magnetic yoke disposed proximate the first side of the bimetal, and a magnetic armature pivotally connected to the bimetal and disposed proximate the opposite second side thereof. The armature has a first side with a surface, an opposite second side, and an opening extending from the first side to the opposite second side of the magnetic armature. The opening has a latch surface structured to engage the latch surface of an operating mechanism. The first side of the magnetic armature is structured to engage the opposite second side of the bimetal. At least one of the bimetal and the magnetic armature is structured to provide an offset between the bimetal and the surface of the first side of the magnetic armature at the opening of the magnetic armature.

Abstract: A trip mechanism includes a bimetal having a first side and an opposite second side, a magnetic yoke disposed proximate the first side of the bimetal, and a magnetic armature pivotally connected to the bimetal and disposed proximate the opposite second side thereof. The armature has a first side with a surface, an opposite second side, and an opening extending from the first side to the opposite second side of the magnetic armature. The opening has a latch surface structured to engage the latch surface of an operating mechanism. The first side of the magnetic armature is structured to engage the opposite second side of the bimetal. At least one of the bimetal and the magnetic armature is structured to provide an offset between the bimetal and the surface of the first side of the magnetic armature at the opening of the magnetic armature.

Abstract: An electrical enclosure that includes a dead front and a lockout switch is described herein. The lockout switch detects the position of the dead front. Based on the detected position of the dead front, the lockout switch actuates a power disconnection mechanism. In one embodiment, the disconnection mechanism is a shunt trip breaker that trips at least one circuit breaker when actuated by the lockout switch detecting removal of the dead front. The shunt trip breaker receives power from a main conductor to a coil that moves a solenoid.

Abstract: A trip indicator of a circuit breaker is set to the tripped position through engagement by the cradle, which is unlatched by the trip mechanism. Even though the cradle is automatically reset by a reset spring, the trip member indicator is retained in the tripped position by an indicator spring. The trip indicator member is returned to the untripped position by a reset member on the circuit breaker operating member as the latter is rotated by the circuit breaker handle to the ON position. The trip indicating member is transversely displaced through an out of round pivot mount as the operating member is rotated to the off position before the cradle unlatches when the circuit breaker blows open in response to a short circuit.

Abstract: A removable quick connect terminal for an electric power switch has a molded housing with an open cavity and an electrically conductive terminal member with a plurality of male terminations that project through slots in a cavity wall in the housing into the open cavity. The terminal member has a tang projecting outward from the housing that is clamped by a conventional collar terminal to a power conductor of the switch projecting into an external terminal recess in the molded switch casing. The terminal member is secured to the molded housing by a pair of oppositely facing chamfered catches engaging an opening in the flat center section of the terminal member. The molded housing of the quick connect terminal has hooks which engage abutment surfaces on the switch casing and a pair of integral compliant latches which engage latch ledges in the external terminal recess to removably secure the housing to the switch casing.

Abstract: A jumper assembly that includes a plurality of modules structured to be coupled together in a nesting configuration. Each module has a housing assembly, a bus assembly, and a coupling means. The modules may include a three separate bus assemblies. Thus, the modular jumper assembly may be coupled to a three phase circuit breaker.

Abstract: A jumper assembly which includes a housing assembly and two or more bus assemblies. The housing assembly has a planar member, a plurality of lower side walls and plurality of upper side walls. The housing assembly planar member has an upper side and a lower side. The lower side walls forming a plurality of bus assembly raceways. The two or more bus assemblies each have a planar member and two terminal ends. The bus assembly planar members are disposed in the lower raceways adjacent to and parallel to the housing assembly planar member lower side. Thus, the bus assemblies are in a single plane.

Abstract: A mounting for a jumper assembly bus assembly where the jumper assembly includes a housing assembly and a bus assembly. The jumper assembly housing assembly has a housing assembly planar member and a plurality of side walls extending generally perpendicular to and downward from the planar member defining at least one raceway. The bus assembly includes a bus assembly planar member with two terminal ends extending therefrom. The mounting includes at least one bus assembly mounting boss disposed on a housing assembly side wall, the mounting boss disposed adjacent to, but spaced from, the housing assembly planar member, and at least one elongated bus assembly clip extending from the housing assembly. The bus assembly mounting boss is structured to retain the bus assembly planar member adjacent to the housing assembly planar member and the at least one bus assembly clip is structured to retain a bus assembly terminal end against the housing assembly planar member.