Device for disconnecting an electrical supply line with a high-intensity current
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United States of America Patent
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Jun 13, 2017
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N/A
app pub date -
Oct 31, 2013
filing date -
Nov 5, 2012
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Abstract
A disconnecting device having a plurality of modules for disconnecting an electrical supply line of an intensity higher than 1000 A. Each module includes a tight contact casing (10) having at least one fixed-contact conductive element (12, 14) in contact with a mobile-contact conductive element (20, 26), and a mechanism for interrupting the contact between the fixed-contact element and the mobile-contact element so as to disconnect the supply line; metal connection bars (60, 62, and 64, 66) for connecting to a current input and to a current output; and intermediate conductive elements such as blades (68, 70, et 72, 74) connected to the connection bars and to the casing. At least one of the mobile-contact elements includes a silver pellet fixed to the surface of the element, allowing the contact resistance between the mobile-contact element and the fixed-contact element to be reduced by half.
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