Rockwell Automation Technologies Incorporated

Keith A Alwardt

Bruce W Weiss

Paul Jerome Grosskreuz

John R Brubaker

Robert Michael Michalski

Wayne O Tobias

The present invention provides a power converter mounting system including a flange that cooperates with a power converter and an enclosure. The flange includes a through hole that cooperates with an opening in the enclosure to permit the power converter to extend therethrough. A number of fasteners connect to the flange and overhang a portion of the power converter. The fasteners are configured to be manipulated from a front side of the power converter. An outer perimeter of the flange extends beyond the opening in the enclosure. The flange is secured to the enclosure with a number of fasteners that are also operable from the front side of the power converter. The power converter mounting assembly is configured to secure a power converter to an enclosure so as to satisfy a variety of sealing requirements as well as allowing convenient servicing of the power converter system.

Method and apparatus for mounting a power converter

A pre-defined conduit knockout is formed as a unitary part of an electronics enclosure so that before its removal the knockout is joined to the housing at a continuous unbroken surface, thereby preventing debris and liquid from entering the housing from around the knockout. The knockout is bounded by a reduced thickness break-away section of an enclosure wall that shears apart to separate the knockout from the enclosure. The knockout is formed with a unitary, pocketed tool receptor adapted to receive a tool, such as a screwdriver or pliers, for twisting the knockout free of the housing without the need to apply an impact force, which could upset sensitive electronics in the enclosure. Methods of forming the knockout in, and removing it from, an electronics housing are also disclosed.

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Hartford, WI, United States of America

Keith A Alwardt