Abstract: A circuit breaker assembly includes a plurality of circuit breakers each including a housing with a trip mechanism therein and each having an opening in a side of the respective housing. Each trip mechanism has a coupler disc connected thereto. The plurality of circuit breakers are aligned in an end-to-end fashion with a trip member positioned along a side of the housings and connected to the coupler discs such that if the first trip mechanism actuates from a untripped state to a tripped state the trip member actuates the second trip mechanism from a untripped state to a tripped state and vice versa.

Abstract: A circuit breaker including a housing and a short wired pigtail exiting the housing. The short wired pigtail has a factory length from a point of exit from the housing to a terminal end of less than about 16 cm, and can include pre-configured bends, and may be pre-stripped. In another aspect, a base pan for mounting a circuit breaker is provided. Base pan includes a plurality of busses, and an insulating base portion receiving the busses, the base pan configured to receive a circuit breaker thereon, the insulating base portion including a pigtail guide channel configured to direct a short wired pigtail towards a neutral bar socket as the circuit breaker is mounted to the insulating base portion. Circuit breakers, base pan assemblies, and methods of installing circuit breakers are provided, as are other aspects.

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: 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: An apparatus is disclosed for mutual interlocking of two switches, in particular circuit breakers. In at least one embodiment, the apparatus includes two plungers which each engage in one of the two switches and can be moved in the plunger longitudinal direction, wherein, when one switch is being switched on, the plunger which engages in this switch is moved by pivoting of a control disk from its nil-point position to its opening position. In at least one embodiment, the apparatus includes a blocking device which blocks pivoting of the other control disk by moving the plunger to its opening position. In order to achieve a maintenance-free apparatus, in at least one embodiment it is proposed that at least one blocking element of the blocking device is moved by the plunger when this plunger is being moved to its opening position, such that pivoting of the other control disk with respect to the other plunger, which is located in the nil-point position, is blocked.

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: A device is for controlling the movement of a blocking mechanism in an electric switch which is displaceably arranged in a switch cell. The device includes a push element and an oblique surface, whereby the oblique surface extends in the fitting position of the device in the direction of the travel of the switch and the push element can be maintained in a displaceable manner dependent on the position of a door of the switch cell in the switch cell. The push element co-operates with the oblique surface, acting on the blocking mechanism in such a way that the blocking mechanism is located in a release position when the door is closed and in a blocking position when the door is open. The device can be constructed in a simple manner by virtue of the fact that the oblique surface is inclined in a perpendicular position with respect to the direction of travel of the switch and the displacement path of the push element extends in a transversal manner with respect to the direction of travel.

Abstract: A service entrance barrier for a load center that includes a housing and a service entrance having at least one branch fed main breaker electrically connected to branch feed lines. The service entrance barrier is securable to the load center housing to prevent human contact with electrically energized parts located in the service entrance of the load center. The service entrance barrier includes a main body portion, at least one mounting leg extending from the main body portion, a protection tab extending from said main body portion, and a non-conductive sleeve encompassing the protection tab.

Abstract: The auxiliary switch (2) has a slide (5) with a gate (14) as an actuating element that engages with the reversing lever (13) acting upon the contact carrier (11). After a first actuation stage, in which the slide (5) pushes the contact carrier (11) into the ON position, the actuating element of a basic switching device (1) is actuated when pushing is continued.