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ELECTRICAL PANELBOARD WITH STACKED BUS BARS AND MOUNTING PAN FORMED OF GROOVED BARS
ELECTRICAL PANELBOARD WITH STACKED BUS BARS AND MOUNTING PAN FORMED OF GROOVED BARS
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机译：带有叠层母排和带槽母排的安装盘的配电盘
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摘要
An electrical panelboard having stacked elongated, flatwise aligned, flat bus bars and plug-in load-side connectors is provided with a mounting pan formed of flat, edgewise aligned extruded aluminum bars extending parallel to the bus bars in spaced relationship thereto edgewise thereof. Electric circuit breakers for use on the panelboard are provided with plug-on line terminal jaws for plugging on the bus bars and stab load terminals for plugging into the load-side connectors by movement of the circuit breakers parallel to the mounting pan toward the bus bars. Various combinations of two types of extruded bars are used to accommodate four different sizes of plug-in load-side connectors. The bars are longitudinally grooved to receive mounting screws for the plug-in load-side connectors anywhere along their length. Panelboards of various widths respectively accommodating circuit breakers of various sizes may be constructed by mounting various numbers of the grooved bars parallel to and at various distances respectively from each of a plurality of bus bar stacks.
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