Implementations include a compartmentalized plug-in load center having connector receptacles for load circuit wiring connection to the load center and a plug-in back plate to connect the plug-in load center to a vertical power busway within a utility wall panel of a building, and a method for installing the load center in a building with a vertical power busway.

Implementations include a compartmentalized plug-in load center having connector receptacles for load circuit wiring connection to the load center and a plug-in back plate to connect the plug-in load center to a vertical power busway within a utility wall panel of a building, and a method for installing the load center in a building with a vertical power busway.

A mounting frame for an electronics and instrumentation enclosure includes two elongated supports joined by an elongated piece and four corner parts fastened to the ends of the elongated supports by a fastener. For the mounting frame to be easy and rapid to assemble and to mount inside the enclosure also at the mounting site, the ends of the elongated supports are provided with a locking tongue formed as one piece with the elongated support and extending away from a plane defined by the elongated supports, and through-hole for mounting are provided at the corner parts and arranged to receive the locking tongues of the elongated supports without clearance, the corner parts comprising a plural number of such mounting holes at a distance from one another in the longitudinal direction of the corner parts. An elongated support is provided for a mounting frame.

A mounting frame for an electronics and instrumentation enclosure includes two elongated supports joined by an elongated piece and four corner parts fastened to the ends of the elongated supports by a fastener. For the mounting frame to be easy and rapid to assemble and to mount inside the enclosure also at the mounting site, the ends of the elongated supports are provided with a locking tongue formed as one piece with the elongated support and extending away from a plane defined by the elongated supports, and through-hole for mounting are provided at the corner parts and arranged to receive the locking tongues of the elongated supports without clearance, the corner parts comprising a plural number of such mounting holes at a distance from one another in the longitudinal direction of the corner parts. An elongated support is provided for a mounting frame.

An electronics housing includes: a housing body for attachment to a mounting rail and on which a cover is arranged which is pivotable about a pivot pin, formed on a bearing point, between an open position and a closed position; and a locking device for pivotally locking the cover in at least one pivot angle position via an interlocking connection, which is configured to be released without destruction, between at least a first and a second locking member, wherein, spaced apart from the bearing point in a radial pivot pin direction, the first locking member is arranged on the housing body and the second locking member is arranged on the cover such that actuation of the cover for pivoting out of the pivot angle position produces resilient deformation of the first locking member and/or second locking member, directed radially with respect to the pivot pin, to release the interlocking connection.

An electronics housing includes: a housing body for attachment to a mounting rail and on which a cover is arranged which is pivotable about a pivot pin, formed on a bearing point, between an open position and a closed position; and a locking device for pivotally locking the cover in at least one pivot angle position via an interlocking connection, which is configured to be released without destruction, between at least a first and a second locking member, wherein, spaced apart from the bearing point in a radial pivot pin direction, the first locking member is arranged on the housing body and the second locking member is arranged on the cover such that actuation of the cover for pivoting out of the pivot angle position produces resilient deformation of the first locking member and/or second locking member, directed radially with respect to the pivot pin, to release the interlocking connection.

An electric connection box includes a frame, a lower cover that covers the lower surface of the frame, and at least one block that is attached in the frame and disposed at a position along a peripheral wall of the frame. An electric wire that is connected to a component attached to the block out of the blocks is drawn horizontally from the block toward inside the frame.

An electric connection box includes a frame, a lower cover that covers the lower surface of the frame, and at least one block that is attached in the frame and disposed at a position along a peripheral wall of the frame. An electric wire that is connected to a component attached to the block out of the blocks is drawn horizontally from the block toward inside the frame.

A support rail and housing assembly is mountable on a housing base. The housings are equipped with electrical contact and/or functional elements which can be strung together. The support rail is mountable on the mounting base even when the housings have already been arranged on the support rail before the support rail is mounted. The support rail is secured to the mounting base by two or more mounting pins which have been placed before the support rail is mounted to the mounting base. The mounting pins and the support rail are designed to correspond to each other such that the support rail can be placed on the mounting pins and locked thereto without using a tool.

A switchgear/board cabinet is constructed using a dual compartment module (100) that includes an equipment compartment (200) and a bus compartment (300) arranged behind the equipment compartment. The bus compartment includes line connection buses (310) and load connection buses (320) for a plurality of phases, spaced-apart vertical interphase barriers (330), a horizontal support barrier (340) and a rear barrier (350) forming a back wall. Each of the vertical interphase barriers extends from a front to a back of the bus compartment, and isolates the load connection bus and line connection bus of each phase from the load connection bus and line connection bus of the other of the phases. The horizontal support barrier extends from the front to the back of the bus compartment, and supports the line connection buses. Any number of dual compartment modules may be constructed and stacked to provide a customized switchgear/board cabinet.