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RELAY DEVICE

  • US 20100046133A1
  • Filed: 08/13/2009
  • Published: 02/25/2010
  • Est. Priority Date: 08/20/2008
  • Status: Active Grant
First Claim
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1. A relay device comprising:

  • a plurality of mechanical relays each of which includes;

    a coil;

    a moving contact, a position of which changes in accordance with whether or not the coil is energized;

    a load terminal conductive to the moving contact; and

    a coil terminal connected to the coil;

    a first bus bar including a loading circuit, wherein;

    an electric current flows to an external load through the loading circuit; and

    the loading circuit is opened and closed as a result of the change of the position of the moving contact;

    a second bus bar including a coil circuit through which the coil is energized; and

    a relay drive circuit packaged on the second bus bar and configured to open and close the coil circuit based on an operation signal, wherein;

    the first bus bar and the second bus bar are stacked at predetermined intervals;

    the plurality of mechanical relays is located between the first bus bar and the second bus bar;

    the load terminal is connected to the first bus bar; and

    the coil terminal is connected to the second bus bar.

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