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Strap support barrier

a technology of support barrier and strap, which is applied in the direction of furniture parts, domestic applications, cabinets, etc., can solve the problems of requiring additional support, and achieve the effect of facilitating strap mounting

Inactive Publication Date: 2006-04-20
SIEMENS ENERGY & AUTOMATION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] There is provided a strap support barrier for an electrical cabinet, with the electrical cabinet including vertical and horizontal bus bars. The strap support barrier includes a planar member. A mounting portion coupled to the planar member. A pair of spacing portions coupled to the planar member, wherein the planar member, mounting portion and spacing portion are con

Problems solved by technology

If the straps are large, they may require additional support.

Method used

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Examples

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Embodiment Construction

[0013] Before describing the exemplary embodiments of a strap support barrier for electrical equipment in a distribution panel enclosure assembly, several comments are appropriate. Switchboard assemblies and panel board assemblies typically include vertical (section) bus bars to distribute electrical power within the assemblies. In a short circuit condition, extreme magnetic forces are created in bus bars as a result of the short circuit currents up to and including 200,000 amps symmetrical rms flowing through such bus bars. In a three phase power system (typically) as the short circuit currents flow through such bus bars, magnetic forces between adjacent bus bars tend to move such bus bars laterally (perpendicular) to the current flow. Such movement of the bus bars is typically prohibited or inhibited to avoid damage in arcing within enclosures by bus assemblies or arc barriers and equipment arrangements within the cabinet.

[0014] Referring now to the figures, FIG. 1 is an illustra...

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PUM

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Abstract

A strap support barrier for an electrical cabinet, with the electrical cabinet including vertical and horizontal bus bars. The strap support barrier includes a planar member. A mounting portion coupled to the planar member. A pair of spacing portions coupled to the planar member, wherein the planar member, mounting portion and spacing portion are configured to provide electrical clearances for the bus bars. The strap support barrier can also include orifices defined on the planar member to facilitate mounting of a strap to at least one vertical bus bar. Another embodiment of the strap support barrier includes at least one guide pin coupled to the planar member and configured to align the straps with the vertical bus bar.

Description

BACKGROUND OF THE INVENTION [0001] The present invention relates generally to the field of electrical switchboards and panel boards and more particularly to a device that facilitates spacing, alignment, and mounting of electrical equipment in switchboard and panel board cabinets. [0002] Distribution panel assemblies such as switchboards and panel boards are general terms which cover metal enclosures, housing switching and interrupting devices such as fuses, circuit breakers, associated controls, instrumentation and metering devices. Such assemblies typically include associated supporting structures, interconnections and bus bars used for the distribution of electrical power. Voltage in switchboards operate at voltages up to 600 volts and with continuous currents up to 5000 amps or higher. Such devices are also designed to withstand short circuit currents ranging up to 200,000 amps (3 phase rms symmetrical). [0003] Typical distribution panel equipment is composed of a lineup of sever...

Claims

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Application Information

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IPC IPC(8): A47B81/00A47B97/00
CPCH02B1/21
Inventor PACKARD, DUANMELANE, MARCUS
Owner SIEMENS ENERGY & AUTOMATION INC