Abstract: At least one embodiment of the invention provides that, for a closing apparatus for a part rack withdrawable via V-shaped rod assemblies, the closing apparatus includes at least one pin formed on rod assemblies or as part of them, each pin engaging in a slot in an actuating element. Owing to the use of the slots, the actuating element can be formed as a rigid body, with the result that no frictional forces need to be overcome when inserting a circuit breaker into a withdrawable-part rack with the closing apparatus according to at least one embodiment of the invention. With the closing apparatus according to at least one embodiment of the invention, a locking element can have a particularly simple design: it can be guided in the actuating element.

Abstract: A draw out circuit breaker assembly which includes a draw out circuit breaker having a plurality of contacts configured for connecting and disconnecting an electrical power source to an electrical load, a breaker cassette including a draw out support plate housing operational components of the draw out circuit breaker, and a port, and a collapsible telescopic racking handle stored collapsed in the port after the draw out circuit breaker is racked into the breaker cassette.

Abstract: A system for remotely racking a horizontally movable circuit breaker includes a motor as well as a transmission connectible to the motor and to a racking screw for moving the circuit breaker. The system further includes a mounting bracket for holding the transmission and a controller for controlling the motor from a location remote from the circuit breaker.

Abstract: Disclosed is a racking mechanism for a drawout circuit breaker including a cross shaft movably positioned in an enclosure and at least one input link in operable communication with the cross shaft via at least one connecting link. At least one racking cam is movably positioned in the enclosure and is in operable communication with the input link. Each racking cam has at least one cam slot receptive of a portion of the circuit breaker. Movement of the cross shaft about an axis of the cross shaft is capable of moving the at least one racking cam from an open position toward a closed position with the portion of the circuit breaker disposed in the at least one cam slot, thereby securing the circuit breaker in the enclosure and the at least one racking cam is in the closed position. A method for securing a circuit breaker in an enclosure and a circuit breaker assembly are also disclosed.

Abstract: An apparatus for preventing withdrawing and insertion of a carriage of a circuit breaker is disclosed. When a circuit breaker main body is inserted, an interlocking unit operates by interworking with the carriage withdrawing and inserting preventing apparatus, and while the circuit breaker is being closed, a withdrawal and insertion handle prevents a lead screw from being rotated by the interlocking unit. Thus, when the circuit breaker performs a closing operation, unnecessary withdrawing and inserting operation of the carriage is basically prevented to thus prevent various safety accidents, a contact resistance, a temperature increase, and damage to a device resulting from a breakdown.

Abstract: Methods and integrated apparatus are disclosed for electrically disconnecting and allowing external support and access for electrical devices in a power conversion system cabinet. The apparatus includes a support structure that translates a power conversion system component at least partially through a door or other cabinet opening between a first position with the component entirely within the cabinet and a second position with the component supported at least partially outside the cabinet, as well as a power disconnect apparatus operated by translation of the support structure to disconnect the component from electrical power when the support is translated from the first position to the second position.

Abstract: The invention relates to an electric switching system which comprises a housing and components which are arranged therein and which are embodied as a control and/or measuring unit. Said components are arranged in modular-type drawers. At least one base module comprises at least one module support profile, in addition to lateral walls and front-sided insertion elements. One front wall of the base module, preferably the front side thereof, is formed by a control unit and the opposite front wall thereof of the measuring unit, and the dimensions of the control and measuring unit are adapted to the size of the module.

Abstract: A retrofit operating handle assembly structured to allow a CM22 type circuit breaker to be operatively coupled to a MG 8 or 9 type circuit breaker tank is provided. The operating handle assembly includes a tank assembly, which is coupled to the MG 8 or 9 type circuit breaker tank, and a circuit breaker, which is coupled to the CM22 type circuit breaker.

Abstract: An electrical distribution device assembly includes a drawout substructure having at least first and second opposing side portions. The electrical distribution device assembly also includes a telescoping rail unit mounted to one of the first and second opposing side portions. The telescoping rail unit includes a carrier rail having a carrier rail support surface and a loading rail having a loading rail support surface. The loading rail is slidably supported by the carrier rail to define an extended deployed configuration and a retracted stowed configuration. The electrical distribution device assembly also includes an electrical device is supported upon at least one of the carrier rail and the loading rail and is selectively shiftable into and out from the drawout substructure.

Abstract: A system and method for connecting supply power to motor control components includes use of a motor control center subunit with moveable supply power contacts. After a motor control center subunit is secured into a motor control center compartment, the supply power contacts may be advanced to engage supply power buses. For disconnection, the supply power contacts may be retracted and isolated from the buses before physical removal of the subunit.

Abstract: A seal apparatus is disposed between a switchgear cabinet and a circuit breaker between the racked and unracked positions of the circuit breaker. The seal apparatus sealingly extends between the switchgear cabinet and the circuit breaker to resist fluid flow, such as exhaust gases and other matter, between an interior region of the switchgear cabinet and the exterior of the switchgear cabinet.

Abstract: A draw-out mechanism for a molded case circuit breaker includes a fixed side plate and a plurality of auxiliary contacts mounted to the fixed side plate. The draw-out mechanism also includes a movable member moveably mounted to the fixed side plate. The movable member includes a cam member that acts upon the plurality of auxiliary contacts. The draw-out unit further includes a front panel member having a visual indicator mechanism and a locking mechanism provided with a padlock locking arm, a door lock and a second lever. In addition, the draw-out unit includes a connector plate that operatively couples the movable member and the front panel member. The connector plate includes a plurality of adjustment portions that establish a desired extension of the connector plate relative to the movable member to accommodate a predetermined spacing between the movable member and the front panel member.

Abstract: A draw-out type circuit breaker apparatus is provided and includes a base from which a circuit breaker is selectively dismounted and moved along a first portion of a dismounting path into a disconnected position, a plate, fixed to the base, which is configured to guide the movement of the circuit breaker along the dismounting path, and a toggle link, coupled to the plate and biased to remain in a locking position, which is configured to block the circuit breaker from moving along the dismounting path beyond the disconnected position while the toggle link remains in the locking position, and to cause the circuit breaker to freely move from the disconnected position and along a second further portion of the dismounting path upon a temporary defeat of the bias thereof.

Abstract: A secondary disconnect for a circuit breaker drawout system is provided. The secondary disconnect includes a plurality electrical connectors that are coupled to spacer frames. The spacer frames are movably mounted to guide pins that couple the secondary disconnect to the circuit breaker. A compression spring is disposed about the guide pin and bias's the secondary disconnect. A second spring positioned within the spacer frame applies a biasing force when the circuit breaker is in the racked-in position.

Abstract: A drawout system with an interface proving a lower ingress protection rating is provided. The system includes a flange mounted to a door. A sleeve is movably mounted to the door adjacent to the flange. As the circuit breaker is moved from a racked-in position to a test position to a racked-out position, the sleeve moves with the circuit breaker and avoids creating exposure to electrical components within the drawout. The drawout system allows the operator to operate the circuit breaker with the door open or closed.

Abstract: A spring discharge mechanism for a circuit breaker is provided. The mechanism includes two linkages for crashing or discharging the circuit breaker compression springs to allow the circuit breaker to be used in either fixed breaker installation or in an installation having a drawout mechanism. The secondary mechanism includes a manual activation linkage that couples with an interface plate. The interface plate is coupled to an opening latch shaft and a closing latch shaft that cooperates to discharge the circuit breaker compression springs. An interface lever is also coupled to the interface plate. The interface lever includes a roller that interacts with a pivoting cam lever coupled to a drawout mechanism. The cam lever interacts with the roller causing the interface lever to rotate the interface plate, the opening latch shaft and the closing latch shaft.

Abstract: A draw out circuit breaker assembly which includes a draw out circuit breaker having a plurality of contacts configured for connecting and disconnecting an electrical power source to an electrical load, a breaker cassette including a draw out support plate housing operational components of the draw out circuit breaker, and a port, and a collapsible telescopic racking handle stored collapsed in the port after the draw out circuit breaker is racked into the breaker cassette.

Abstract: An air circuit breaker is provided wherein a rotational force is accurately discontinued at a movement completion time of assuming a connected position, a test position or a disconnected position by a breaker body in the process of withdrawing in and withdrawing out the breaker body from a cradle whereas a driving connection is performed if necessary, the breaker including a coupling device capable of being moved to a position where a withdraw-in and withdraw-out driving force generated by a manipulating handle is transmitted to a withdraw in and withdraw out apparatus and to a position where the withdraw-in and withdraw-out driving force is stopped of transmission.

Abstract: A switching device for an electrical switchgear assembly for power distribution includes a grounding function unit including a first moving control element selectably moveable to a first manual operation position and an isolation function unit including a second moving control element selectably to a second manual operation position. The grounding function unit is selectable to a manual operation state by moving the first moving control element to the first manual operation position, and the isolation function unit function unit is selectable to a manual operation state by moving the second moving control element to the second manual operation position. When the manual operation state is selected for one of the grounding and isolation function units, selection of the other of the grounding and isolation functional units to the manual operation state is blocked by a respective one of the first and second moving control elements.

Abstract: A retrofit assembly structured to allow a CM22 type circuit breaker to engage, and be enclosed by, a CMD type circuit breaker tank is provided. The retrofit assembly includes a levering mechanism, a circuit breaker bus assembly having bus support members, and a door handle system structured to allow a user to actuate the circuit breaker contacts when the tank is closed.

Abstract: A securing mechanism is provided for an electrical switching apparatus, such as a circuit breaker, which is movable into and out of an installed position within a switchgear enclosure. The securing mechanism includes a mount coupled to the circuit breaker, and a movable assembly movably coupled to the mount and including an engagement member. The movable assembly moves among first and second positions corresponding to the circuit breaker not being fully installed within the switchgear enclosure and being disposed in the installed position, respectively. When the circuit breaker is moved toward the installed position, the engagement member engages the switchgear enclosure and moves the movable assembly toward the second position, in which the engagement member securely engages the switchgear enclosure to resist undesired movement of the circuit breaker with respect to the switchgear enclosure.

Abstract: An adjustable mounting assembly for a power circuit breaker includes a frame having a first sidewall disposed opposite a first side of the housing of the power circuit breaker and a second sidewall disposed opposite the second side of the housing. At least one moveable block is disposed between the first and second sidewalls of the frame and the corresponding first and second sides of the housing. An adjustment mechanism, such as a jackscrew coupled to the moveable block, adjusts in order to move the block into engagement with the corresponding sides of the housing. A fastening mechanism, such as a lock screw, secures the moveable block and the frame with respect to the housing. The adjustable mounting assembly securely mounts the frame and the power circuit breaker within a switchgear enclosure in order to resist damage potentially caused by an impact force sustained thereby.

Abstract: A securing mechanism is provided for an electrical switching apparatus, such as a circuit breaker, which is movable into and out of an installed position within a switchgear enclosure. The securing mechanism includes a mount coupled to the circuit breaker, and a movable assembly movably coupled to the mount and including an engagement member. The movable assembly moves among first and second positions corresponding to the circuit breaker not being fully installed within the switchgear enclosure and being disposed in the installed position, respectively. When the circuit breaker is moved toward the installed position, the engagement member engages the switchgear enclosure and moves the movable assembly toward the second position, in which the engagement member securely engages the switchgear enclosure to resist undesired movement of the circuit breaker with respect to the switchgear enclosure.

Abstract: A closure device for a withdrawable rack adapted for receiving power circuit breaker includes a plate arrangement having at least two plates provided with openings and movable relative to one another so that the plate arrangement is changeable between an open position in which the openings of the plates are in alignment and a closed position in which the openings are out of alignment. An actuating mechanism is acted upon by the power circuit breaker as it is inserted to cause a movement of at least one of the plates to thereby change the plate arrangement between the closed and open positions. The actuating mechanism includes two V-shaped linkage assemblies. Each linkage assembly has two legs connected by a hinge to allow the linkage assembly to spread apart, with one of the legs having a free end which is connected to the at least one of the plates, and a coupler is connected to the hinge. Both couplers are jointly articulated to actuating element.

Abstract: A stop device for an electrical device cell includes a generally flat, rectangular stop member and a generally flat, elongated permissive member. The stop member is, preferably, part of a stop member assembly that includes a biasing device. The cell includes a pair of rails upon which a drawout electrical device is movably disposed. The stop member is disposed adjacent to at least one housing assembly rail and is structured to move between a first, extended position, wherein the stop member engages the drawout electrical device and prevents the drawout electrical device from moving from the first, installed position to the second, drawn out position, and a second, withdrawn position, wherein the stop member does not engage the drawout electrical device and the drawout electrical device may move from the first, installed position to the second, drawn out position.

Abstract: A stop device for an electrical device cell includes a generally flat, rectangular stop member and a generally flat, elongated permissive member. The stop member is, preferably, part of a stop member assembly that includes a biasing device. The cell includes a pair of rails upon which a drawout electrical device is movably disposed. The stop member is disposed adjacent to at least one housing assembly rail and is structured to move between a first, extended position, wherein the stop member engages the drawout electrical device and prevents the drawout electrical device from moving from the first, installed position to the second, drawn out position, and a second, withdrawn position, wherein the stop member does not engage the drawout electrical device and the drawout electrical device may move from the first, installed position to the second, drawn out position.

Abstract: An assist mechanism is for a handle attachment of a circuit breaker having a housing with an operating member operable among a plurality of positions. The handle attachment includes a casing coupled to the circuit breaker housing and enclosing an actuating assembly which interconnects the circuit breaker operating member with a handle that is operable from the exterior of the casing. The assist mechanism is a wave spring having a first end coupled to the casing, and a second end having a wave bend that divides the second end into three sections having three corresponding tangential vector forces. The tangential vector forces provide a bias to the actuating assembly of the handle attachment that differs depending on the position of the circuit breaker operating member. In this manner, the assist mechanism augments energy generated by movement of the operating member and translates it into a corresponding handle attachment movement.

Abstract: A power circuit breaker is intended to be effectively locked in a simple manner in a withdrawable-part rack. For this purpose, a locking device is provided having a first component, which is fixed in the withdrawable-part rack, and a second component, which is fixed to the power circuit breaker. The first component and the second component do not engage with one another in the inserted position. However, in the event of a short circuit they engage with one another in a tilted position of the power circuit breaker, which position is rotated with respect to the inserted position, with the result that the power circuit breaker is locked in the withdrawable-part rack.

Abstract: A low-voltage circuit breaker includes at least one switching-on catch for initiating a switching-on process, and at least one insertion mechanism, which has an insertion shaft, for insertion of the circuit breaker into the withdrawable frame, or for removal of the circuit breaker from the withdrawable frame. The low-voltage circuit breaker further includes at least one power-transmitting system, connected to the insertion shaft, and connectable to the switching-on catch such that the switching-on catch can be moved to an activated state from a deactivated state at a defined unloading position of the movement, and can be moved to a deactivated state from an activated state at a defined reset position in the movement.

Abstract: A power circuit breaker includes an insertion rack which is arranged in a distribution unit and a lock system for locking the power circuit breaker in the insertion rack in a locking system. The locking system can be actuated by a drive mechanism, in particular by the switch shaft of the power circuit breaker.

Abstract: The aim of the invention is to achieve, in the simplest possible manner, a movement of an electric switch (3) of a medium-high voltage switch panel on a mounting structure (1) between an interrupt position, a test position and an operating position. To this end, a single mechanical control module (9) is integrated in the mounting structure (1). This control module (9) controls the individual movement sequences while simultaneously transferring the drive forces required therefor.

Abstract: A multiple-hole terminal lug is for a circuit breaker including a load terminal and a conductive terminal extension coupled thereto. The multiple-hole terminal lug includes a mounting portion and a receiving portion having a plurality of receptacles for electrically coupling a corresponding plurality of electrical cables to the load terminal. Secondary mounting holes in the mounting portion align with primary mounting holes in the terminal extension in order to receive fasteners therein and secure the multiple-hole terminal lug in a first or second mounting configuration sloping upward or downward with respect tot the longitudinal axis of the terminal extension.

Abstract: A protective unit may prevent contact with conductive contacts in a withdrawable rack of a switching device. This may include one displaceable protective plate and lever arrangement for operating the protective plate. The lever arrangement has two levers that are interconnected in an articulated manner, of which a first lever can be operated by way of the switching device and the second lever is coupled to the mobile protective plate. A linking joint of the two levers acts simultaneously as the pivot bearing of the first lever and the first lever can be pivoted out of the displacement path of the switching device into an end position by way of a slide block that runs in a graded manner in the pivoting direction of the first lever.

Abstract: A travelling mechanism for a withdrawable circuit-breaker includes a crank handle that is secured in a manner that prevents it from being removed. A shaft of the crank handle revolves around an input shaft and is guided in a manner that permits it to be displaced in relation thereto. An accommodating recess holds the crank handle in its inoperative position. In its working position, the crank handle can only be pulled out when a locking lever that is dependent on the switching position of the circuit-breaker releases a locking slot on the shaft of the crank handle. In the working position, the crank handle is secured by a locking slide. An indicating device for indicating the position of the circuit-breaker comprises a two-armed indicating lever, which is provided with a window opening that permits the entry of a tongue of the locking slide in the test position.

Abstract: A device is for fixing a circuit breaker in an insertion rack. The device includes at least one arresting unit which is connected to the insertion rack and belongs to the power circuit breaker. The arresting unit is connected to a control rod which is movably arranged on the insertion rack in such a way that it is displaceable from a locking position to an unlocking position and vice-versa. The control rod interacts with a system which moves the power circuit breaker in relation to the insertion rack. The device also includes a release device which can be displaced from the locking position of the control rod to the releasing position thereof and vice-versa by way of the power circuit breaker.

Abstract: A locking device is for low-voltage circuit-breakers. It can travel into a frame including a lock and a control member to be activated through the lock. The control member interacts with an internal locking slide when a circuit-breaker is moved into the frame, the locking slide being displaceably guided in the circuit-breaker. If the locking device is activated (“locked”), the control member acts on the internal locking slide of the circuit-breaker and ensures that the circuit breaker cannot be switched on. If circuit-breakers with locking slides that can be displaced vertically are used, the control member is situated underneath the circuit-breaker.

Abstract: The invention relates to a method for controlling an electrical switching module which can be displaced between an entry position and an exit position. The switching module comprises switching contacts of vacuum switching tubes; an isolating element which can be also be displaced in the switching module and comprises isolating contacts which can be connected to, and disconnected from, corresponding mating contacts inside an enclosed switchboard section, as required; and connector contacts and mating connector contacts in the low voltage range. The switching contacts of the vacuum switching tubes support the closing and opening processes, under the control influence of a closing spring which can be influenced by a closing catch (EK) and an opening spring which can be influenced by an opening catch, and prominent functional positions of the isolating position.

Abstract: A racking device performs a circuit breaker racking operation. The racking device includes a base with wheels and a brake to facilitate moving the racking device and positioning it with respect to a switchgear cabinet. An elongated tubular member extends substantially vertically from the base. A self-contained counter-balanced power module includes an enclosure having a pair of opposing openings for receiving the elongated tubular member, and a counterweight system for counter-balancing the power module. An actuator including a motor, a ball spline and a torque member moves a linkage assembly having an end effector with a negator spring that positively engages the circuit breaker. A switch module actuates the actuator from a remote location in order to move the linkage assembly and thus the circuit breaker to perform the racking operation from the remote location. Complicated field programming of the power module is not required.

Abstract: An interlock assembly is for locking the operating assembly of a safety switch when the cover thereof is open or removed. The safety switch includes an enclosure with the cover and side walls. The operating assembly includes a bracket and a spring-toggle mechanism with a spring-biased drive link having an arm. An operating handle, which is coupled to the spring-biased drive link, operates the operating assembly. The interlock assembly includes a pivotal lever having a catch and a sensing portion. A pivot receives a blind rivet and pivotally couples the pivotal lever to the side wall. A torsion spring biases the pivotal lever toward engaging the arm of the spring-biased drive link in order that the catch engages and locks the arm when the cover of the enclosure is open. The sensing portion is engaged and pivoted by the cover when it is closed.

Abstract: An interface linkage assembly for a network protector is provided. The network protector includes a circuit breaker structured to move in and out of a housing assembly, and having a mechanical trip assembly and an electrical close assembly. The interface linkage includes a coupling device, a housing assembly portion and a rollout portion. The coupling device has a first component and a second component. The housing assembly portion is coupled to the coupling device first component. The rollout portion is coupled to the coupling device second component. The rollout portion is structured to be coupled to the mechanical trip assembly and the electrical close assembly, and further structured to move the mechanical trip assembly over a lesser arc and the electrical close assembly over a greater arc.

Abstract: A motorized racking operator for racking a circuit breaker into and out of electrical switchgear is disclosed. The racking operator includes a motor, an On-Off control in signal communication with the motor, an anti-rotation bracket securely attached to the motor, and a latch. The motor has a drive shaft with an end configured to operably engage with a receiving end of a racking shaft. The latch serves to removably secure the motor and bracket to the circuit breaker such that the motor and bracket move in unison with the circuit breaker in response to the motor driving the racking shaft to rack the circuit breaker into and out of the switchgear. The anti-rotation surface of the bracket engages with a surface of the circuit breaker to prevent rotation of the motor in response to the motor applying a torque to the racking shaft.

Abstract: A method and a door arrangement for a switchgear enclosure, with the enclosure having a top and bottom panel, a back panel and two opposing side panels. The enclosure includes an interior framework supporting a draw-out circuit breaker. The door arrangement comprises a front extension coupled to the enclosure. An exterior door is pivotably mounted in an offset position to the front extension and configured to move from one of a closed position and an open position on one side of the enclosure. The breaker door is pivotably mounted to the interior framework and configured to move from one of a closed position and an open position on another side of the enclosure and move clear of the offset exterior door.

Abstract: A locking device of an electrical switch which can be moved between a disconnected position and an operating position with the switching states of the electrical switch. A first strip has a control contour which extends in a first direction and has a ramp which interacts with a control rod which can be moved in certain states of the electrical switch.

Abstract: An electric switch includes a drive shaft that can be actuated by means of a hand crank and a blocking mechanism for blocking actuation of the drive shaft. The hand crank has a shaft that can be displaced along the drive shaft and that is protected against removal by the drive shaft and a crank arm that is axially fixed on the shaft and is wound by the shaft. In order to configure that blocking mechanism in such a way that a blocking force substantially smaller in comparison with the torque of the drive shaft is needed in order to block actuation of the drive shaft, a recess is provided on the front side of the switch, into which the crank arm can be lowered in an anti-rotational manner by displacing the shaft, wherein the blocking mechanism that has been activated for blocking fixes the shaft axially once the crank arm has been lowered into the recess.

Abstract: A low-voltage circuit breaker includes at least one switching-on catch for initiating a switching-on process, and at least one insertion mechanism, which has an insertion shaft, for insertion of the circuit breaker into the withdrawable frame, or for removal of the circuit breaker from the withdrawable frame. The low-voltage circuit breaker further includes at least one power-transmitting system, connected to the insertion shaft, and connectable to the switching-on catch such that the switching-on catch can be moved to an activated state from a deactivated state at a defined unloading position of the movement, and can be moved to a deactivated state from an activated state at a defined reset position in the movement.

Abstract: A remote control system for vertically racking circuit breakers into and out of electrical switchgear cells includes a lever mechanism for coupling the drive shaft of a portable drive motor to the driven shaft of a circuit-breaker racking mechanism and a latching solenoid for locking the coupled shafts together. A power-transfer panel is provided in the cell and is connected for transferring control of the drive motor, the latching solenoid and the circuit breaker to a remote control and status indicating device that is located externally of the cell cabinet. An inclinometer is mounted on the circuit breaker for producing an alarm signal and interrupting operation of the circuit-breaker elevating mechanism upon detecting an excessive amount of tilting in the normally level attitude of the circuit breaker.

Abstract: A presently-preferred capacitor discharge system for a circuit breaker adapted for use in a switchgear enclosure comprises a capacitor discharge circuit adapted to be electrically coupled to the capacitor, and a contact switch electrically coupled to the capacitor discharge circuit and adapted to be mechanically coupled to a support truck of the circuit breaker. The contact switch is movable between a first and a second position. The system also comprises a resistor electrically coupled to the capacitor discharge circuit, and a lever arm adapted to be rigidly coupled to a racking mechanism of the circuit breaker and adapted to urge the contact switch into the closed position when a locking arm of the racking mechanism disengages from the switchgear enclosure. The capacitor discharge system is adapted to electrically couple the capacitor and the resistor when the contact switch is in the second position thereby discharging the capacitor.

Abstract: A locking device is for low-voltage circuit-breakers. It can travel into a frame including a lock and a control member to be activated through the lock. The control member interacts with an internal locking slide when a circuit-breaker is moved into the frame, the locking slide being displaceably guided in the circuit-breaker. If the locking device is activated (“locked”), the control member acts on the internal locking slide of the circuit-breaker and ensures that the circuit breaker cannot be switched on. If circuit-breakers with locking slides that can be displaced vertically are used, the control member is situated underneath the circuit-breaker.

Abstract: A switching device facilitates access, repair, maintenance of the device during operation in a electrical substation, and minimizes real estate and equipment in the electrical substations. The device integrates air disconnect switches, preferably mounted atop each bushing. The device further comprises wheels, a removable rail system, and a staggered height arrangement of the switches on the bushing to allow translation of the device from a first position to an electrically isolated second position.

Abstract: A latch kit comprising a member with at least one hook end, a tension member, and a hook plate. The hook plate is connected to the member by a tension member. The kit is intended to be used in conjunction with an industrial circuit breaker which is secured in a cell by a catch plate. When the hook plate is attached to the circuit breaker, the hook end can be used to support the circuit breaker's catch plate handle in the open position so that the circuit breaker can be extracted from the cell.