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SEALED DOORS, ENCLOSURES, AND METHODS ADAPED FOR USE WITH ELECTRICAL ARC-PRONE COMPONENTS

  • US 20130320831A1
  • Filed: 09/21/2012
  • Published: 12/05/2013
  • Est. Priority Date: 06/05/2012
  • Status: Active Grant
First Claim
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1. A sealed enclosure, comprising:

  • a case configured to receive an arc-prone electrical component;

    a face frame defining an opening;

    a door configured to cover the opening;

    a sealing surface on the face frame or on the door; and

    one or more flaps having an sealing portion, the sealing portion being angled relative to the sealing surface, the one or more flaps being operational to flex from a disengaged position when not under pressure, to an engaged position in contact with the sealing surface when exposed to pressure inside the case during an arcing event.

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