Abstract: A power supply apparatus includes a plurality of power modules for receiving alternating current power to provide the power to a load; an uninterruptible supply module to supply self-power to the load; an inverter module installed on one side of the power modules or the uninterruptible supply module to convert the power and provide converted power to the load; direct current bus bars provided inside enclosures of the power modules, the uninterruptible supply module, and the inverter module, respectively; and a connection bus bar for connecting adjacent direct current bus bars, wherein in the power modules and the uninterruptible supply module, an alternating current/direct current converter or a direct current/direct current converter is provided in the upper portion of the direct current bus bar, or the alternating current/direct current converter or the direct current/direct current converter is provided in the lower portion of the direct current bus bar.

Abstract: A busbar support system having means for preventing rotation of a threaded shaft which connects busbars to the busbar support and means to prevent compressive forces resulting for the bolted connection from causing damage to the busbar support.

Abstract: A hydraulic fracturing system for fracturing a subterranean formation includes a support structure that includes an electric powered pump, arranged in a first area, the electric powered pump powered by at least one electric motor, also arranged in the first area. The system further includes a variable frequency drive (VFD), arranged in a second area proximate the first area, connected to the at least one electric motor to control the speed of the at least one electric motor. The system includes a transformer, arranged in a third area proximate the second area. The system also includes a cooling system, arranged in a fourth area proximate the third area, the cooling system providing a cooling fluid to the VFD via one or more headers.

Abstract: An operation method for busbars docking platform has putting a first busbar and a loading unit in a receiving groove, arranging the first busbar to touch the loading unit, removing the loading unit; loading a connecting rod to the loading unit; putting the loading unit in the receiving groove; triggering the first release member to impact the loading unit; triggering the second release member to retract the action unit; removing the loading unit; putting a second busbar in the receiving groove; putting the first busbar between the action unit and the second busbar; removing the first busbar; putting the first busbar in the receiving groove; triggering the first release member to impact the first busbar; triggering the second release member to retract the action unit; and taking the first busbar and the second busbar out from the receiving groove.

Abstract: A grid power configuration may provide a reliable, efficient, inexpensive and environmentally conscious power source to a site, for example, a remote site such as a well services environment. Grid power may be provided for one or more operations at the site by coupling a main breaker to a switchgear unit coupled to one or more loads. The switchgear unit may be coupled to the main breaker via a main power distribution unit and may also be coupled to one or more loads. At least one of a grid power unit and a switchgear unit may be coupled to the main breaker via the main power distribution unit and may also be coupled to one or more additional loads. A control center may be communicatively coupled to the main breaker or any one or more other components to control one or more operations of the grid power configuration.

Abstract: An electrical bus bar assembly configured to maintain spacing between run-over bus bars and horizontal bus bars. The electrical bus bar assembly having a first run-over bus bar and a second run-over bus bar spaced from the first run-over bus bar, and a first horizontal bus bar spaced from the first run-over bus bar. A yoke brace apparatus is coupled between and maintains a first spacing distance D1 between the first run-over bus bar and the second run-over bus bar, and one or more bus bar brace apparatus are provided to maintain a second spacing distance D2 between the first run-over bus bar and the first horizontal bus bar. Yoke brace apparatus and bus bar brace assemblies, bus bar assemblies including the yoke brace apparatus and/or bus bar brace apparatus, bus bar support assemblies, supported electrical bus bar assemblies, and methods of supporting electrical bus bars are disclosed, as are other aspects.

Abstract: Provided is a switchgear. The switchgear includes a lower partition wall partitioning a cable compartment from a current transformer compartment disposed above the cable compartment and having an opening, a relief panel provided the lower partition wall to open and close opening, an upper partition wall partitioning the current transformer compartment from a main busbar compartment disposed above the current transformer compartment and having at least one through-hole, and an arc duct communicating with the main busbar compartment.

Abstract: A temporary insulating switch cabinet cover is installed in the doorway of an electrical switch cabinet having high voltage energized switchgear in order to enable a worker to perform maintenance tasks on the switchgear while the switchgear is energized. The cover is designed to expose a part of the energized switchgear while covering and isolating another part of the energized switchgear so that a worker is enabled to work on the exposed part of the energized switchgear while being protected and insulated from the unexposed covered part of the energized switchgear.

Abstract: To improve accessibility with respect to a power conversion unit in a power converter. The power converter includes a circuit connection part including a positive electrode conductor, a negative electrode conductor and an AC conductor, a power semiconductor module positioned in a particular direction with respect to the circuit connection part and connected to the positive electrode conductor, the negative electrode conductor and the AC conductor and a capacitor positioned in the particular direction with respect to the circuit connection part and connected to the positive electrode conductor and the negative electrode conductor. The positive electrode conductor is connected to a positive electrode conductor of another power conversion unit through a unit connection part positioned in an opposite direction of the particular direction with respect to the circuit connection part.

Abstract: A system and method for coupling electrical power subsea. The system comprises a subsea electrical distribution system having at least one modular subsea circuit breaker assembly. The modular circuit breaker comprises a busbar enclosure housing a busbar. In one embodiment, the bus bar enclosure is pressurized with sulfur hexafluoride (SF6) gas. At least one circuit breaker enclosure housing a subsea circuit breaker is secured to the busbar enclosure. The interior of the busbar enclosure may be sealed from the interior of the circuit breaker enclosure. The circuit breaker enclosure may be pressurized with SF6 gas.

Abstract: The device (100) for assembling capacitors (200) is intended for an electronic converter with a plurality of arms provided with transistors. The device comprises a bus bar (11) with positive polarity and a bus bar (12) with negative polarity. The bus bar with positive polarity and the bus bar with negative polarity are superposed one on top of the other without electrical contact. Preferably, the bus bar with positive polarity comprises a width (L1) smaller than the width (L2) of the bus bar with negative polarity. The device further comprises a support part (13) for insulating and indexing, arranged between the bus bar with positive polarity and the bus bar with negative polarity. The support part for insulating and indexing is typically formed from PBT plastic material reinforced with fiberglass.

Abstract: A measuring device for determining and/or monitoring a chemical and/or physical measured variable of process automation technology, wherein the measuring device includes at least one housing, and the housing has at least a first wall; which comprises a first material, and the housing has at least a second wall which comprises at least a second material. The second wall is secured to the first wall; and the outside of the first wall is at least partially surrounded by the second wall. The second wall is approximately fitted to the shape of the first wall, and the second wall is mechanically connected to the first wall.

Abstract: A connector includes a busbar, a housing and a cover. The busbar includes a first connection part extending in a first direction, a second connection part extending in a second direction opposite to the first direction at a position displaced from the first connection part in a direction orthogonal to the first direction, and a coupling part extending in a direction orthogonal to the first direction and the second direction and coupling the first connection part and the second connection part. The housing includes at least one accommodation groove accommodating the coupling part, and a slit through which one of the first connection part and the second connection part is inserted. The cover covers the accommodation groove.

Abstract: The present invention has an object to provide a switchgear capable of improving workability and a switchgear assembling method. The switchgear according to the present invention has: a plurality of switch units 2, 3, 4, 5 having a movable electrode horizontally driven and brought into contact with or opened from a stationary electrode; a plurality of operation mechanisms 8, 9 that operate the movable electrodes in the plurality of switch units 2, 3, 4, 5; connection members 13, 14 provided in the switch units 2, 3, 4, 5 and connected to buses A, B; and a casing that includes all the connection members 13, 14, the plurality of switch units 2, 3, 4, 5, and the plurality of operation mechanisms 8, 9. The switch units 2, 3, 4, 5 are arranged in a height direction. The plurality of operation mechanisms 8, 9 are provided on the front side or the rear side of the casing. The plurality of bus connection members 13, 14 are provided on the other side of the casing.

Abstract: A module assembly for the application-specific construction of power factor correction, filter, and absorption circuit systems in selectively non-choked, choked, protective or thyristor-connected design, comprising a busbar system, fuse holders, switch components, at least one choke, and power capacitors. A first module unit has a first section for receiving busbars, fuse holders, fuses, a busbar cover as protection against accidental contact with the busbar, and a second, trough-like section for receiving switch components that can be mechanically fixed and electrically contacted. A second module unit is designed to receive switchable capacitor winding blocks, enclosing the at least one winding block, insulating the same. The first and the second module unit each have a base region, wherein mechanical and/or electrical connections are led via apertures in the base regions, such that either a back-to-back assembly with direct docking of the first and second module units can be affected.

Abstract: A guide assembly for a switchgear assembly is provided. The guide assembly includes an elongated support member and a passage. The support member is coupled to and extends from a housing assembly rear sidewall. The support member extends in the circuit breaker assembly direction of travel. The passage is disposed on the circuit breaker assembly base and also extends in the circuit breaker assembly direction of travel. The support member is substantially aligned with the passage. In this configuration, as the circuit breaker assembly moves between a withdrawn position and an installed position, the support member moves between a first position, wherein the support member is not disposed in the passage, and a second position, wherein the support member is partially disposed in the passage. When the support member is in the second position, the support member bears a portion of the weight of the circuit breaker assembly base.

Abstract: An electrical distribution panel includes a panel box locating a ground bus in electrical connection with a ground input lug, a neutral bus in electrical connection with a neutral input lug, and a primary power bus connected to a power input lug through a main breaker switch. The main breaker switch is operable between an on position in which the primary power bus receives power and an off position in which the primary power bus is disconnected. Primary circuit breakers can be supported in the usual manner in connection with the primary power bus. One or more auxiliary circuit breakers are connected to the power input lug to receive power independently of the main breaker switch. An electrical outlet can thus be integrally supported in one of the side walls of the panel box to receive power independently of the main breaker switch.

Abstract: Provided is a circuit board manufacturing method capable of securing circuit patterns on a plate-like insulator while keeping the relative position between the circuit patterns, and also provided is a circuit board in which the relative position between a plurality of circuit patterns is kept. A first coil (30) having one turn is formed in a planar shape from a metal plate. Next, a second coil (40) having four turns is formed in a planar shape from a metal plate, wherein both of the ends (41, 42) of the coil are linked to other adjacent regions via linking portions (43, 44). A pair of the first coil (30) and the second coil (40) are then overlapped so as to face each other through a plastic plate (50) in which a plurality of prepregs are stacked, after which the links by the linking portions (43, 44) are disconnected.

Abstract: The present invention is intended to provide a novel assembly for properly or accurately mounting the terminal portion of the bus bar on the terminal-accommodating portion of a body for an electric junction box without doing any harm to an electrical conduit(s) which is disposed within the electric junction box. An assembly for mounting a bus bar (1) to a body (12) for an electric junction box, comprises a hole (9) disposed in the bus bar (1), and having a burr (31) created during the hole punching process; and a projection (21) formed in the body (12), and suited for being press-fit into the hole (9), wherein the projection (21) extends beyond the burr after being press-fit into the hole (9). In this configuration, the hole (9) may serve as a basis for position determination of each terminal portion (3, 4) of the bus bar (1), and the projection (21) may serve as a basis for position determination of each terminal-accommodating portion (25) of the body (12).

Abstract: A spout assembly is provided. The spout assembly includes a spout and a spout base. The spout base has a cross-sectional area that is smaller than a spout sized to enclose an electrical switching apparatus electrical coupling. That is, the spout base includes a CT support surface with a cross-sectional area that is smaller than the spout cross-sectional area. Current transformers are disposed upon the spout base CT support surface.

Abstract: An electrical instrument includes an input terminal block that allows customers to configure input power as either single-phase, three-phase delta, or three-phase wye, using shorting bars to connect appropriate line and/or neutral terminals to each other without the need for an external adaptor or converter, and without modifying the internal circuitry or programming of the instrument.

Abstract: A circuit interconnect device racking apparatus is disclosed. The circuit interconnect device racking apparatus has a body adapted to couple to a circuit interconnect device, one or more frame connectors coupled to the body, a racking lever coupled to the body by a lever pivot, the racking lever having a cam mechanism component, and one or more bus connectors configured to connect to or disconnect from one or more bus bars responsive to rotation of the racking lever. Circuit interconnect device racking assemblies having the circuit interconnect device racking apparatus and methods of connecting circuit interconnect devices to one or more bus bars are disclosed, as are other aspects.

Abstract: A flexible busbar includes a central conductor (generally of rectangular cross section comprising multiple layers of thin aluminum, copper or other alloys with good electrical properties (conductivity)) and a sleeve having a shape on the internal surface to reduce the adhesion between the two conductors and the sleeve when the flexible busbar is bent, folded, or twisted. This increases the flexibility of the flexible busbar.

Abstract: An electronic system employs multiple power supplies that provide electrical energy to components of the server system. Each power supply exhibits or experiences a uniquely different air flow within the system chassis. Different air flows correspond to different component temperatures for each power supply. Each power supply stores a collection of selectable thermal profiles that determine cooling element control within the power supply. Each thermal profile may correspond to a different physical location within the system. Thermal profiles provide each power supply with local environmental response correlations, such as between local power supply temperature and cooling fan speed. The power supply selects a particular thermal profile in response to determining the power supply's physical location in the system. The power supply instructs the cooling fan to provide an amount of cooling dependent on both the selected thermal profile and a sensed local environmental condition such as temperature.

Abstract: A solid insulated switchgear having at least one circuit switches for switching a three-pole AC circuit includes a plurality of bus-bars for pole. Each of the bus-bars for pole being providing correspondingly for each pole comprises a ring-shaped bus-bar portion electrically connecting the arc extinguishing mechanisms for the same pole, and each having an internal electrical conductor portion and an external solid insulated mold portion in which the conductor portion is built; and a plurality of extended connecting portions respectively extended from the ring-shaped bus-bar portion while being space apart from one another in a circumferential direction so that the plurality of circuit switches are connected in the state in which the plurality of circuit switches are separated from one another.

Abstract: The electrical card has power modules constituted by power components and by control components that are carried by strips fastened on a support plate comprising an electrical ground plate. The power components are connected firstly to control buses, and secondly to power buses carried by the support plate and extending in a layer adjacent to the electrical ground plate.

Abstract: A retention snap arrangement for attaching a bus bar to a base pan. The arrangement includes first and second walls for forming a channel for receiving the bus bar. The arrangement further includes a first moveable arm having a first snap element that includes a first bottom surface and a second moveable arm having a second snap element that includes a second bottom surface. The first and second arms extend from the first and second walls, respectively, each forming a cantilever. In a first position, the first and second bottom surfaces are located above an edge of the bus bar for inhibiting movement of the bus bar. In a second position, the first and second bottom surfaces are not located above the edge of the bus bar to enable insertion of the bus bar in the channel.

Abstract: Power connectors and switchgear assemblies are presented herein. A power connector is disclosed for electrically coupling a circuit breaker to an electrically conductive bus bar. The connector includes a fork-shaped head for electrically connecting to the circuit breaker, and a base for electrically connecting to the bus bar. A yoke extends between and connects the base to the fork-shaped head. The yoke has a transverse cross-section with a length that is greater than a width. The length and/or width of the transverse cross-section varies between respective ends of the transverse cross-section.

Abstract: With the present invention, conductor grids for electronic housings and a manufacturing method for such conductor grids are provided. According to the invention, the conductor grid is produced from two metal strips (130, 110, 140) welded along the joint edge (150), with only one of the two metal strips needing to have a surface suitable for the wire bonding. The amount of the conventionally used, plated starting material can be considerably reduced in this way.

Abstract: A bus bar attached to a box main body of an electrical junction box includes: a first terminal portion 11; a second terminal portion 12; and a coupling portion 13 coupling the first and second terminal portions, and made of a plate metal member 10. The plate metal member 10 includes: a first corresponding portion 21 corresponding to the first terminal portion 11; a second corresponding portion 22 corresponding to the second terminal portion 12 and provided parallel to the first corresponding portion 21 with a gap; and a coupling corresponding portion 23 corresponding to the coupling portion 13. The coupling corresponding portion 23 couples both ends adjacent to each other of the first and second corresponding portions 21, 22.

Abstract: A busbar connection system for coupling a first busbar segment to a second busbar segment includes a mounting component defining a slot and configured to be coupled to the first busbar segment, a retaining component configured to be coupled to the second busbar segment, and a connecting member including a first end and an opposing second end. The first end is configured to be coupled to the mounting component and the second end is configured to be coupled to the retaining component. The busbar connection system also includes a pivot member configured to be operatively coupled to the first end and shaped to be received within the slot. The pivot member enables the connecting member to pivot about the mounting component.

Abstract: A contact bus bar assembly for supplying power to a load, and further pertains to a switching device which can be connected to such a compact bus bar assembly, and to a power distribution system. The bus bar assembly includes at least two electrically conductive tracks which are at least partly covered by an electrically insulating cover. An outer surface of said insulating cover is provided with a plurality of ribs arranged in a region connecting pin terminals. The switching device may additionally comprise a separating element provided with a plurality of second ribs.

Abstract: A busway section with an electrically conductive housing is described. The busway section includes a lid connected with the housing through a hinging mechanism. Internal slots are also present, along which bus bars can be located. Possible applications of the busway section are feeder sections and plug-in sections.

Abstract: A rear panel for a draw-out circuit breaker includes a metal plate having a pair of rectangular cutouts. Two bushing blocks are joined together and at least partially extend through the cutouts. Each molded bushing block includes three bushings, each of which carry an electrical conductor that is over-molded therein.

Abstract: Electrical busway assemblies and methods and devices for applying compressive forces to a busbar stack in an electrical busway assembly are disclosed herein. Electrical busway assemblies for distributing electricity are presented. The busway assembly includes a stack of electrically conductive busbars with one or more duct sides each disposed on a respective side of the busbar stack. Optionally, a duct top and duct bottom can be placed on the stack top and stack bottom, respectively. A surge clamp engages the stack top or stack bottom. A bolt attaches the surge clamp to each duct side. A compression nut threadably engages each bolt. Rotation of a bolt moves the corresponding compression nut, which acts to move the surge clamp along a path that is oblique with the path of the compression nut. The surge clamp, when moved by the compression nut(s), acts to apply a compressive force to the busbar stack.

Abstract: Closed busbar system for three-phase low voltage distribution, comprising phase bars that extend lengthways and transverse branch bars, one of which is respectively electrically connected to an associated phase bar. The phase bars are maintained in an inserted manner in a socket of an insulating housing for reducing the cross-section or increasing the power in such a manner that a cooling channel associated with each phase track is formed between the rear side of the phase tracks and the base inner side of the socket.

Abstract: A customizable bus system includes a system module containing one or more accessory modules and is easily mounted along a surface in a workspace, such as the underside of a cabinet. The accessory modules provide conveniently located utility services and applications such as power, lighting or media connections, and may be interchanged within the bus system to provide particular services and applications where they are needed most. Additionally, the bus system may include a control center for controlling the operation of one or more of the accessory modules, such as manually or automatically. The bus system may also include multiple housings that are functionally linked. Additionally, the housings may be integrated with the applications and take the form of a modular stick, which can be easily installed to provide a service or application in an area, or removed and replaced by a modular stick having another desired service or application.

Abstract: A housing of a switchgear includes: a framework formed by joining vertical frames to depth directional frames and width directional frames, the vertical frames being arranged in a standing condition at four corners of a cuboid shape; at least a left and right pair of intermediate vertical frames each provided at an intermediate portion in the depth direction; and steel partition plates fixed over the whole in the vertical direction of the intermediate vertical frames, the partition plates being provided for separating the front and the back of the intermediate vertical frames. Then, the depth directional frame on the floor side is formed with a fixing hole near a lower portion of the intermediate vertical frame, the fixing hole being provided for fixing the housing to a foundation surface.

Abstract: Electrical switchgear comprising electrical switching equipment for a multi-phase electrical power distribution system, a supporting structure for a bus assembly for supplying electrical current to the switching equipment, and a plurality of spaced buses mounted on the supporting structure each for connecting the switching equipment to respective phases of the multi-phase electrical power distribution system. Each bus comprises a plurality of substantially co-planar, spaced, elongated flat conductors arranged with at least one longitudinal edge surface of each conductor in that bus opposed to and spaced from a longitudinal edge surface of another conductor in that same bus, and a connector at each end of said conductors for connecting the plurality of flat conductors in each bus to each other.

Abstract: A gas insulated switchgear is configured including phase-A, phase-B, and phase-C breaker units. For example, the phase-A breaker unit includes breakers connected in series in a horizontal first direction, disconnectors annexed on the breaker, disconnectors annexed on a breaker, and disconnectors annexed on a breaker. The disconnector is connected to a main bus that extends in the first direction, and the disconnector is connected to a main bus that extends in the first direction. Each of the disconnectors on the breakers is arranged while a longitudinal direction thereof is set to a second direction orthogonal to the first direction so that a switching direction of the disconnector is equal to the second direction. Thereby, the length of the main buses can be shortened, and an interphase distance and a breaker-to-breaker distance can be reduced.

Abstract: A bus bar electrical feedthrough for an electrorefiner system may include a retaining plate, electrical isolator, and/or contact block. The retaining plate may include a central opening. The electrical isolator may include a top portion, a base portion, and a slot extending through the top and base portions. The top portion of the electrical isolator may be configured to extend through the central opening of the retaining plate. The contact block may include an upper section, a lower section, and a ridge separating the upper and lower sections. The upper section of the contact block may be configured to extend through the slot of the electrical isolator and the central opening of the retaining plate. Accordingly, relatively high electrical currents may be transferred into a glovebox or hot-cell facility at a relatively low cost and higher amperage capacity without sacrificing atmosphere integrity.

Abstract: A switchgear includes a chassis which is partitioned by metal earthed plates and includes a bus bar section located at a central portion, a switch section located below the bus bar section, a cable section located at a rear surface side, and a control section located at a front surface side; an air-insulated earthed disconnecting switch provided in the switch section; and a manipulating device. The switch section is separable from the chassis, and is configured as a case having a semi-closed structure which allows air to pass therethrough but prevents particles of oil and water from passing therethrough.

Abstract: An electrical distribution panel includes a panel box locating a ground bus in electrical connection with a ground input lug, a neutral bus in electrical connection with a neutral input lug, and a primary power bus connected to a power input lug through a main breaker switch. The main breaker switch is operable between an on position in which the primary power bus receives power and an off position in which the primary power bus is disconnected. Primary circuit breakers can be supported in the usual manner in connection with the primary power bus. One or more auxiliary circuit breakers are connected to the power input lug to receive power independently of the main breaker switch. An electrical outlet can thus be integrally supported in one of the side walls of the panel box to receive power independently of the main breaker switch.

Abstract: An electrical distribution system includes at least one circuit breaker device having an electrical interruption system provided with an electrical pathway, at least one micro electro-mechanical switch (MEMS) device electrically coupled in the electrical pathway, at least one hybrid arcless limiting technology (HALT) connection, and at least one control connection. A HALT circuit member is electrically coupled to HALT connection on the circuit breaker device and a controller is electrically coupled to the control connection on the circuit breaker device. The controller is configured and disposed to selectively connect the HALT circuit member and the at least one circuit breaker device via the HALT connection to control electrical current flow through the at least one circuit breaker device.

Abstract: A busbar connection system for coupling a first busbar segment to a second busbar segment includes a mounting component defining a slot and configured to be coupled to the first busbar segment, a retaining component configured to be coupled to the second busbar segment, and a connecting member including a first end and an opposing second end. The first end is configured to be coupled to the mounting component and the second end is configured to be coupled to the retaining component. The busbar connection system also includes a pivot member configured to be operatively coupled to the first end and shaped to be received within the slot. The pivot member enables the connecting member to pivot about the mounting component.

Abstract: Bus bars each having on one side a terminal portion for connection of an electrical component and on the other side a terminal portion for connection of circuit board are provided in an insulating block body parallel to each other to constitute a busbar block. The bus bars are prevented from uplifting by virtue of a rib integral with the block body. Recessed portions for positioning are provided in an insulating cover corresponding to the ribs, and at the same time as the busbar block is attached to the cover, the ribs are brought into engagement with the recessed portions to provide positioning of the busbar block. Terminal block constructed by terminals each having on one end thereof a terminal portion for connection of an electrical component and on the other side thereof a terminal portion for connection of circuit board, and an insulating block body holding the terminals.

Abstract: A power system including an uninterruptible power system (UPS) and a maintenance bypass panel (MBP) The UPS has an input to receive input power and an output to provide output power. The MBP has an input to receive the output power provided by the UPS and an output to provide the input power to the input of the UPS. A busbar is configured to couple one of the input of the UPS to the output of the MBP and the output of the UPS to the input of the MBP. The busbar has a first region to couple to one of the input and the output of the UPS, a second region to couple to one of the input and the output of the MBP, and a measurement region. A cover shields the busbar from inadvertent contact and includes a small diameter aperture to permit access to the measurement region of the busbar.

Abstract: In one embodiment, an electrochemical system includes an interconnector busbar including a substrate and a coating contacting the substrate, the coating including a layer of electroplated elemental nickel.

Abstract: A front accessible metal clad switchgear assembly comprising multiple compartments defined within an electrical enclosure is provided. The compartments interchangeably accommodate electrical components, for example, current transformers, a circuit breaker, a control power transformer, an epoxy encapsulated potential transformer, etc., and bus bars in predetermined positions for allowing front access to the electrical components and bus bars. The front accessible switchgear assembly further comprises a plenum chamber rearwardly positioned in the electrical enclosure and in communication with the compartments to provide an exit path for releasing pressure and gases. A mounting block assembly is positioned in one or more of the compartments for mounting, enclosing, and providing front access to the electrical components. The mounting block assembly is configured to reduce temperature rise in the compartments.

Abstract: A magnetic device mounting system is disclosed, such as for use in electrical cabinets for distribution of power via power bus bars. The system includes a common mode magnetic device that has an opening configured to receive extensions of a set of parallel bus bars. A non-conductive support is provided, along with a conductive extension, the non-conductive support and extension being configured to coordinate to engage the opening and to support the common mode magnetic device via attachment to the bus bar.