Frame assembly for a front mounted primary bus connector and method of construction
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United States of America Patent
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Dec 12, 2017
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app pub date -
Dec 9, 2015
filing date -
Dec 9, 2015
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Abstract
A front-accessible bus-connection mounting frame assembly in a draw out switchgear cabinet is fastened to the back wall of the breaker cabinet. The frame assembly provides for insertion and bayonet mounting of a primary bus connector's cylindrical conductor onto the mounting frame. The primary bus connector is bayonet mounted on the internal ribs of a central cylinder of the mounting frame assembly. The primary bus connector is then fixed in position by bolts front mounted down the central cylinder and out through a bus riser fitted at the back of the mounting frame assembly to establish electrical continuity. The central cylinder further provides a current transformer bushing tube around the primary bus connector and necessary flanges to mount the mounting frame assembly to the back wall and secure the current transformers around the bushing.
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