Solid State Switching

Discussion in 'General Electronics Chat' started by Jsw123, Aug 5, 2009.

  1. Jsw123

    Thread Starter Active Member

    Jun 20, 2009
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    0
    What is the difference between a solid state relay and a semiconductor contactor?
    Can both switch ac loads? This a link to a company that distinguishes between the two.

    http://library.abb.com/global/scot/scot209.nsf/veritydisplay/da7ec357f6a7461cc12573ad004e1e83/$File/2CDC110004C0205_07.pdf
     
  2. mik3

    Senior Member

    Feb 4, 2008
    4,846
    63
    If they are designed to switch AC loads then they can do it. Solid state relays use transistors and thyristors (TRIACs) to make the switching whereas contact relays use moving contacts.
     
  3. Ron H

    AAC Fanatic!

    Apr 14, 2005
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