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Vehicle electrical protection device and system employing same

  • US 7,233,474 B2
  • Filed: 11/24/2004
  • Issued: 06/19/2007
  • Est. Priority Date: 11/26/2003
  • Status: Active Grant
First Claim
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1. An electrical protection device comprising:

  • a first contact electrically coupled to a first terminal of a vehicle battery and electrically coupled to a first load line;

    a second contact electrically coupled to a second terminal of the vehicle battery and electrically coupled a second load line, the second contact having a different electrical polarity than the first contact;

    a third contact electrically coupled to a third load line;

    a fuse element electrically coupled to the first contact and the third contact, wherein the fuse element provides overcurrent protection to the third load line but not the first load line; and

    a switching apparatus electrically coupled to the second contact and the third contact, wherein if the switching apparatus is closed the fuse element opens a connection between the first contact and the third contact.

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