Abstract: An electrical panel adapter for an enclosure that is formed of at least one panel includes a main unit having a front portion and a rear portion. The rear portion is positioned inside the enclosure and includes a first plurality of electrical connections adapted to connect to electrical wires and/or equipment located inside the enclosure. The front portion extends through an aperture in the at least one panel and includes a second plurality of electrical connections adapted to connect to one or more electrical devices located outside the enclosure for measurement of both voltage and current inside the enclosure. The second plurality of electrical connections are electrically coupled to the first plurality of electrical connections. The electrical panel adapter enables electrical devices outside the enclosure to be electrically coupled to the electrical wires and/or equipment inside the enclosure without requiring the enclosure to be opened.

Abstract: A locking arrangement for a plurality of toggle switches is provided, which facilitates independent locking and independent actuation of the toggle switches. The locking arrangement restricts the movement of a lever associated with a toggle switch of the plurality of toggle switches so as to maintain the lever of the toggle switch in at least one predetermined position. The locking arrangement is adapted to receive a locking device that restricts the movement of the lever in at least one predetermined position defined by the periphery of a locking plate or a base plate of the locking arrangement.

Abstract: An interlock for a circuit breaker having a first circuit breaker switch and a second circuit breaker switch. The interlock includes a first actuator movably associated with the first circuit breaker switch, a first limiter plate and a first handle securely associated with the first actuator and the first limiter plate. The interlock further includes a second actuator movably associated with the second circuit breaker switch, a second limiter plate, and a second handle securely associated with the second actuator and the second limiter plate. The first limiter plate and second limiter plates are configurable between a first configuration and a second configuration. When the first plate is in the second configuration, the second plate is non-movably configured in the first configuration, and when the second plate is in the second configuration, the first plate is non-movably configured in the first configuration.

Abstract: An operating handle interface assembly is for an electrical system. The electrical system includes an enclosure having an interior and an exterior, and a plurality of electrical switching apparatus disposed within the interior. Each of the electrical switching apparatus includes an operating handle. The operating handle interface assembly includes a linking assembly structured to interconnect the operating handles of a plurality of the electrical switching apparatus. An elongated shaft includes opposing first and second ends. The first end cooperates with one of the operating handles of one of the electrical switching apparatus. The second end is disposed on the exterior of the enclosure. A handle attachment is coupled to the second end of the elongated shaft on the exterior of the enclosure. The handle attachment is operable among a plurality of positions to correspondingly operate the operating handles of all of the interconnected electrical switching apparatus.

Abstract: An interlocking mechanism for interlocking a first and a second low voltage switching devices, wherein each of the switching devices includes a movable contact part, a stationary contact part and, an actuating unit for operating the movable contact part in a direction and making connection or disconnection with the stationary contact part. The interlocking mechanism includes a first and a second housing connected to each other, a first and a second sliding bar. The first sliding bar is arranged on the first housing and connects to the actuating unit of the first switching device. The second sliding bar is arranged on the second housing and connects to the actuating unit of the second switching device. A sliding plane is defined and has a X- and Y-axis, the Y-axis being defined in the direction of motion of the actuating unit of the switching devices.

Abstract: An electrical panelboard enclosure includes an enclosure housing with an interior equipment chamber accessible by way of a service entrance door. A service panel is configured to receive power from a main power source. A main power breaker has a main power breaker toggle switch and is positionable between a power-on state and a power-off state to selectively activate and deactivate the main power. A power cutoff switch mechanism is operable from outside the service entrance door and is positionable between a power-on state and a power-off state to mechanically engage and deactivate the main power breaker toggle switch and cutoff the main power without opening the service entrance door. A lockout system is operable to prevent the service entrance door from being secured in a closed position unless the main power breaker and the power cutoff switch mechanism are in the same state.

Abstract: A retaining insert coupleable to a base assembly configured to operatively support a primary circuit breaker and a pair of opposing circuit breakers that define a recess is provided. The retaining insert includes a base portion configured to be disposed between the primary circuit breaker and the pair of opposing circuit breakers, the base portion configured to be operatively coupled to the base assembly. The retaining insert also includes retaining portion extending from the base portion into the recess, the retaining portion configured to retain the pair of opposing circuit breakers.

Abstract: An electrical panelboard enclosure includes a primary service panel configured to receive power from a main power source and an alternate power source, an alternate power source connector array, and a distribution panel that delivers main or alternate power to subsidiary load circuits. A service transfer switch unit includes a main power breaker and an alternate power breaker having mutually interlocked toggle switches for respectively activating/deactivating the main and alternate power. The panelboard enclosure further includes a power cutoff switch operable from outside a service entrance door of the enclosure to mechanically engage and deactivate the main power breaker toggle switch.

Abstract: Provided is a cover for protecting an upper end of a normal power terminal and an upper end of an emergency power terminal of an auto transfer switch. In this case, terminal covers are formed on the upper ends of the terminals to protect the terminals, thereby preventing operators from being hurt by electric shock.

Abstract: There is provided an electromagnetic contactor unit capable of firmly connecting electromagnetic contactors without influencing outer dimensions when the electromagnetic contactors are connected to each other. The electromagnetic contactor unit connected at least two juxtaposed electromagnetic contactors (2a, 2b) with a connection piece (42). The electromagnetic contactor includes an attachment hole (41a) formed in each corner of an attachment plate portion, a piece accommodation concave portion (43) fitting a half portion of the connection piece formed above the attachment hole and accommodating within an outer dimension, and is opened to a connection surface with the adjacent electromagnetic contactor, and a locking portion (44) locking the connection piece formed in the piece accommodation concave portion.

Abstract: A system and method of interlocking a plurality of electrical panel switches includes an interlock assembly having an interlock. The interlock has a first position that allows connection of one of utility power and power from an alternate power supply, such as a generator, to the electrical panel and prevents connection of the other of the utility power and alternate power. The interlock has a second position that allows connection of the other of the utility power and alternate power and prevents connection of one of the utility power and alternate power to the electrical panel. The interlock also is constructed to control the positioning and sequence of operation of neutral connections between the power supplies and the electrical panel.

Abstract: An electrical panelboard enclosure includes a primary service panel configured to receive power from a main power source and an alternate power source, an alternate power source connector array, and a distribution panel that delivers main or alternate power to subsidiary load circuits. A service transfer switch unit includes a main power breaker and an alternate power breaker having mutually interlocked toggle switches for respectively activating/deactivating the main and alternate power. The panelboard enclosure further includes an arrangement in which the primary service panel, the distribution panel, the alternate power source connector array and the service transfer switch are part of an installable panelboard assembly that is mountable as a unit within the panelboard enclosure.

Abstract: An automatic transfer switch apparatus for use with a stand-alone generator, for supplying emergency power to a residence or small business. The automatic transfer switch apparatus is configured to sense a utility line failure, start up and stabilize the generator, and switch over the household circuits from the utility to the generator, and switch back when the utility recovers. The transfer switches incorporate motor-driven switch interlock mechanisms in several embodiments, as well as various operational features.

Abstract: A switch apparatus for adjusting a power seat in a vehicle, may include a body, a plurality of switches installed on the body including a first switch manipulated in a horizontal direction, and a second switch spaced apart from the first switch and manipulated in a vertical direction, and a guide bracket, a first end portion of which is integrally coupled to the first switch and a second end portion of which is placed around the second switch and selectively coupled to the second switch according to a horizontal movement of the first switch, wherein the second switch is movable in the vertical direction while the first switch is in a neutral position, while the first switch is out of the neutral position, and wherein the second end portion of the guide bracket is interfered with the second switch while the second switch is out of a neutral position.

Abstract: An automatic transfer switch for a power system receiving multiple alternating current sources and delivering multiple alternating current output is described. A transfer switch control circuit can sense a power loss in one or both AC sources. Each power supply can deliver current to drive a load but, if one of the power supplies fails, the other can supply power to drive both loads.

Abstract: A system and method of interlocking a plurality of electrical panel switches includes an interlock assembly having an interlock. The interlock has a first position that allows connection of one of primary power and power from an alternate power supply, such as a generator, to the electrical panel and prevents connection of the other of the primary power and alternate power. The interlock has a second position that allows connection of the other of the primary power and alternate power and prevents connection of one of the primary power and alternate power to the electrical panel. The interlock also is constructed to control the positioning and sequence of operation of neutral connections between the power supplies and the electrical panel.

Abstract: An armature winding switch module has a first connection set, a second connection set and a third connection set. The first, the second and the third connection set are respectively connected between a neutral point and a corresponding phase line point and have terminals and contacts. Each two terminals of each connection set are respectively connected to two ends of a corresponding armature winding of a power supply device. The contacts of each connection set are connected among the corresponding terminals. Selectively turning on/off the contacts can connect the armature windings of each connection set in series or in parallel and thereby output required voltage without redoing wiring work. Therefore the present invention avoids second time complicated wiring work and possible connection faults.

Abstract: An interlock arrangement includes a pair of slidable lockouts operatively associated with utility and generator side switches of an electrical panel. Together with either an interlinked member or a rocker lockout, the interlock arrangement sequences manual switching of the utility and generator side switches according to a pre-defined switching sequence, such as a seven step sequence or a five step sequence.

Abstract: The present invention relates generally to linkage means. More particularly, the invention encompasses a handle operator linkage with sealing means. The present invention is also directed to a novel linkage for controlling switches or breakers, and more particularly to a linkage for use as a double throw switch for controlling two switches or breakers mounted in the same enclosure so that only one switch can be ON at any given time, and the second switch would automatically be in an OFF state.

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: An automatic transfer switch includes a solenoid control contacts assembly, an auxiliary contacts assembly, a dual purpose cam attached to a cylindrical shaped weight, and a solenoid actuator. When energized, the solenoid actuator rotates the cylindrical weight and the dual purpose cam actuates both the solenoid control contacts assembly and the auxiliary contacts assembly.

Abstract: The present invention relates generally to a load center. More particularly, the invention encompasses a generator ready load center (GRLC). The present invention is also directed to a novel generator ready load center (GRLC) that operates as a standard load center but is ready to accommodate an automatic transfer switch (ATS) for a standby generator, or a manual transfer switch (MTS) for a portable generator. Further the generator ready load center provides an automatic and manual transfer between primary and secondary power sources. The generator ready load center solves the problem of dangerous back-feeding between the primary power source and the secondary power source.

Abstract: An electrical distribution panel includes first and second power inputs, a first circuit breaker electrically between the first power input and a first load bus, a second load bus, an automatic transfer switch having a first input electrically connected to the first load bus, a second input electrically connected to the second power input, and an output electrically connected to the second load bus. The transfer switch selectively electrically connects one of the first and second inputs to the output thereof. Pairs of circuit breakers each includes a second breaker having a first terminal electrically connected to the first load bus, and a second terminal, a third breaker including a first terminal electrically connected to the second load bus, and a second terminal, a power output electrically connected to the second terminals, and an interlock cooperating with the circuit breaker pair to prevent both of them from being closed simultaneously.

Abstract: A system and method of interlocking a plurality of electrical panel switches includes an interlock assembly having an interlock. The interlock has a first position that allows connection of one of utility power and power from an alternate power supply, such as a generator, to the electrical panel and prevents connection of the other of the utility power and generator power. The interlock has a second position that allows connection of the other of the utility power and generator power and prevents connection of one of the utility power and generator power to the electrical panel. The interlock also is constructed to control the positioning and sequence of operation of neutral connections between the power sources and the electrical panel.

Abstract: An interlock assembly for use with a pair of aligned multiple switch assemblies configured to control the supply of electrical power to an electrical panel. Each multiple switch assembly includes a two-pole transfer switch for a pair of “hot” conductors, and a single-pole transfer switch for a neutral connection. The interlock assembly is movably mounted relative to both of the multiple switch assemblies, and is configured to control a sequence of connection and interruption of each neutral connection relative to switching the hot conductors associated with switching each multiple switch assembly. The interlock assembly prevents the “hot” conductors of each multiple switch assembly from being connected without the associated respective neutral connection having been made in advance. The interlock assembly also ensures that the neutral connection of each multiple switch assembly is interrupted without previous interruption of the connection of the respective “hot” conductors.

Abstract: Certain exemplary embodiments comprise a breaker interlock device adapted to mechanically resist switching a handle of a first circuit breaker from an OFF position to an ON position when a handle of a second circuit breaker is in an ON position, wherein the first circuit breaker is adjacent to the second circuit breaker.

Abstract: A power transmission safety system is disclosed having a pair of power transmission members, each of the power transmission members having a switch arm. Each of a pair of switch arm engaging members reversibly engage a switch arm of its respective power transmission member. Each of a pair of pivoting shaft members are coupled to a respective one of the pair of switch arm engaging members on one end, and a rotatable handle on an opposing end. An interlocking power activation bar has a pair of openings located thereon, whereby rotation of one of the pivoting shaft members engages a switch arm of a respective circuit breaker into an “on” position and displaces the interlocking power activation bar to lock the other of the shafts from rotating, thereby preventing both of said power transmission members from being “on” concurrently.

Abstract: An interlock assembly for use with a pair of aligned multiple switch assemblies configured to control the supply of electrical power to an electrical panel. Each multiple switch assembly includes a two-pole transfer switch for a pair of “hot” conductors, and a single-pole transfer switch for a neutral connection. The interlock assembly is movably mounted relative to both of the multiple switch assemblies, and is configured to control a sequence of connection and interruption of each neutral connection relative to switching the hot conductors associated with switching each multiple switch assembly. The interlock assembly prevents the “hot” conductors of each multiple switch assembly from being connected without the associated respective neutral connection having been made in advance. The interlock assembly also ensures that the neutral connection of each multiple switch assembly is interrupted without previous interruption of the connection of the respective “hot” conductors.

Abstract: Certain exemplary embodiments comprise a breaker interlock device adapted to mechanically resist switching a handle of a first circuit breaker from an OFF position to an ON position when a handle of a second circuit breaker is in an ON position, wherein the first circuit breaker is adjacent to the second circuit breaker.

Abstract: An interlock assembly comprising: an interlock plate comprising at least one slot disposed about a central portion thereof, a first locking tab disposed perpendicular to a first side of the interlock plate, and a second locking tab disposed perpendicular to a second side of the interlock plate; and a base disposed adjacent to a bottom surface of the interlock plate, the base comprising at least one perturbation disposed on a surface of the base opposite to the bottom surface of the interlock plate, such that the perturbation is disposed within the slot of the interlock plate, thereby providing the interlock plate with reciprocating movement in relation to the base.

Abstract: Certain exemplary embodiments comprise a breaker interlock device adapted to mechanically resist switching a handle of a first circuit breaker from an OFF position to an ON position when a handle of a second circuit breaker is in an ON position, wherein the first circuit breaker is adjacent to the second circuit breaker.

Abstract: Certain exemplary embodiments comprise a breaker interlock device adapted to mechanically resist switching a handle of a first circuit breaker from an OFF position to an ON position when a handle of a second circuit breaker is in an ON position, wherein the first circuit breaker is adjacent to the second circuit breaker.

Abstract: An automatic transfer switch with a double throw air circuit breaker is disclosed, which consists of a unit able to automatically disconnect a preparatory power when a contact point is connected with a commercial power and able to automatically disconnect a commercial power when it is connected with a preparatory power and a unit able to concurrently disconnect a commercial power and an emergency power, and a unit for automatically connecting a contact point.

Abstract: An apparatus, such as a handheld electronic learning system, is provided with at least one multi-function, repositionable controller assembly. The controller assembly includes a first user input device, such as a joystick, and a second user input device, such as a pushbutton switch. The controller assembly, carried by the housing of the apparatus, is rotatable between a first position and a second position. When the controller assembly is in the first position, they joystick is accessible on the exterior surface of the apparatus, while the pushbutton switch is concealed within the housing and inhibited from use. When the controller is rotated to the second position, the pushbutton switch is accessible on the exterior surface of the apparatus, while the joystick is concealed within the housing and inhibited from use.

Abstract: Certain exemplary embodiments comprise a breaker interlock device adapted to mechanically resist switching a handle of a first circuit breaker from an OFF position to an ON position when a handle of a second circuit breaker is in an ON position, wherein the first circuit breaker is adjacent to the second circuit breaker.

Abstract: A transfer switch is provided for transferring the supply of electrical power to a load between a utility source and a generator that generates electrical power when started. The load is interconnected to the utility source through a first circuit breaker and to the generator through a second circuit breaker. Each circuit breaker is movable between an on position and an off position. The transfer switch includes a first arm movable between a first position and a second position wherein the first arm is engageable with the first circuit breaker for moving the first circuit breaker from the off position to the on position. A second arm is movable between a first position and a second position engageable with the second circuit breaker for moving the second circuit breaker from the off position to the on position. A control structure selectively urges the first and second arms to the second positions.

Abstract: An interlock assembly comprising: an interlock plate comprising at least one slot disposed about a central portion thereof, a first locking tab disposed perpendicular to a first side of the interlock plate, and a second locking tab disposed perpendicular to a second side of the interlock plate; and a base disposed adjacent to a bottom surface of the interlock plate, the base comprising at least one perturbation disposed on a surface of the base opposite to the bottom surface of the interlock plate, such that the perturbation is disposed within the slot of the interlock plate, thereby providing the interlock plate with reciprocating movement in relation to the base

Abstract: A system and method of interlocking a plurality of electrical panel switches includes an interlock assembly having an interlock. The interlock has a first position that allows connection of one of utility power and power from an alternate power supply, such as a generator, to the electrical panel and prevents connection of the other of the utility power and generator power. The interlock has a second position that allows connection of the other of the utility power and generator power and prevents connection of one of the utility power and generator power to the electrical panel. The interlock also is constructed to control the positioning and sequence of operation of neutral connections between the power sources and the electrical panel.

Abstract: A mechanical locking device for mechanically connected contactors includes a first and a second actuating member and a locking element. The actuating members are operatively connected respectively to an electromagnetic operating mechanism and a movable contact of a respective contactor. The first actuating member has a first curved recess adjacent the first connecting sidewall. The second actuating member has a second curved recess adjacent the second connecting sidewall. The locking element includes a rolling element received in a respective opening in each of the first and second connecting sidewalls. The first actuating member urges the locking element into the second recess when the first contactor is in a switched-on condition and the second actuating member urges the locking element into the first recess when the second contactor is in a switched-on condition.

Abstract: A switching mechanism provides sequential switching of first and second circuit breakers to enable switching between a primary power supply and a backup power supply. The switching mechanism comprises an actuating mechanism to sequentially actuate a pair of circuit breakers. The actuator mechanism including a shock absorber to absorb energy due to switching of one of the first and second circuit breakers.

Abstract: A multi-switch linkage for coupling two switch apparatuses together in an enclosure. Each switch apparatus is coupled to the switch mechanism having a switch mechanism lever arm. When the lever arm is moved it translates a force to the actuator plate which closes both switch mechanisms or opens both switch mechanisms.

Abstract: An interlock mechanism for preventing a first circuit breaker having a first actuating mechanism and a second circuit breaker having a second actuating mechanism from simultaneously being in a closed condition. The interlock mechanism includes a frame, a sliding bar slideably mounted within the frame, and one or more retaining protrusions extending outwardly from one or more inner edges of the frame. The sliding bar is movable between a first position and a second position. In the first position the sliding bar blocks a path of movement of the first actuating mechanism and in the second position the sliding bar blocks a path of movement of the second actuating mechanism. The one or more retaining protrusions frictionally engage the sliding bar when the sliding bar is in the first position and holds it in place, preferably with a frictional force sufficient to resist the force of gravity and/or vibrations.

Abstract: A switching mechanism provides sequential switching of first and second circuit breakers to enable switching between a primary power supply and a backup power supply. The switching mechanism comprises a first actuator plate to operate a first circuit breaker connected to a primary power supply, a second actuator plate to operate a second circuit breaker connected to a secondary power supply, and an actuator. The first and second actuator plates are independently movable between on and off positions. The actuator is operatively connected to the first and second actuator plates so that the actuator moves the first actuator plate to an on position and the second actuator plate to an off position when the actuator is moved in a first direction, and moves the first actuator plate to an off position and the second actuator plate to an on position when the actuator is moved in a second direction.

Abstract: The main power service panel is provided with a special sliding gate on the face plate which can be selectively positioned to control the manual throw of adjacent circuit breaker handles for main and auxiliary power inputs fed thereto. The control is such that only one of the two circuit breakers can be conditioned for power transmittal at any one time. Accordingly, primary and auxiliary power supplies can be readily wired to associated main and auxiliary circuit breakers of the main power panel so that distribution circuit breakers of the panel can be energized in the event of failure of one of the power supplies, assuring a supply of power to the discrete distribution circuits. This selected supply to either breaker is accomplished with assurance there will be no back feed of electrical energy to the alternative supply.

Abstract: An activating device for a switch assembly includes a control panel having a guiding track defined therein, a first arm pivotally connected to the control panel for connection to the first switch, a second arm pivotally connected to the control panel for connection to the second switch, a sliding block slidably received in the guiding track such that the first switch and the second switch are selectively switched on/off; a push rod pivotally received in the sliding block to alternately engage with the first arm and the second arm such that the first switch and the second switch are selectively switched off/on and a driving device to drive the sliding block to move in both the first direction and the second direction.

Abstract: An interlock arrangement for a pair of aligned switches, for preventing both switches from being on at the same time, includes a feature that prevents the switches from being inadvertently disengaged from mounting structure associated with an electrical panel to which the switches are mounted. The interlock arrangement includes an interlock base member that extends through aligned openings defined by the switch operating members. A pair of inner engagement members interact with the switch operating members so as to ensure that the switch operating members cannot both be in the ON position. An outer engagement member is secured to the interlock base member outwardly of each switch operating member. The interlock base member overlies and engages edges defined by the switches and the outer engagement members engage the switch operating members, to prevent inadvertent removal of the switches.

Abstract: A method for manufacturing a transfer switch includes providing a transfer switch including a first shunt contact and a second shunt contact, and operationally coupling a shunt solenoid to the first shunt contact and the second shunt contact such that when the solenoid is electrically activated the first shunt contact electrically couples a first source to a load and the second shunt contact electrically couples a second source to the load in a first pre-determined amount of time.

Abstract: A double throw switch linkage for coupling two switch apparatuses together in an enclosure. Each switch apparatus is coupled to the switch mechanism having a switch mechanism lever arm. When the lever arm is moved it translates a force to the actuator plate which closes one switch mechanism and maintains the other switch mechanism in an open position.

Abstract: A transfer switch system includes a normal power supply and an emergency power supply. A set of linked switches select between these power supplies. A breaker seperates the power supplies from loading circuit. The switches and the breaker are mounted within an enclosure having an exterior handle. The exterior handle controls the selection between the normal and emergency power supplies.

Abstract: A removal deterrence structure for a pair of circuit breaker disposed in an enclosure having an interlock assembly. A pair of circuit breakers are disposed within the enclosure. The interlock assembly is also disposed within the enclosure and structured to allow only one of the circuit breakers to be closed at a time. The interlock assembly is coupled to the circuit breakers by fasteners that cannot be decoupled from the circuit breakers unless the enclosure is disassembled.