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Pulse reversing spdt?

  1. Nov 15, 2012 #1
    I'm wondering if there is such thing as a spdt which reverses upon being energized/de-energized? So each time a voltage is disconnected then reconnected the switch flips once and locks in place till the next disconnect/connect.

    I'm interested in this for a low voltage dc circuit.
     
    Last edited: Nov 15, 2012
  2. jcsd
  3. Nov 17, 2012 #2
    Yes, there is such thing. Look under latching relay.
     
  4. Nov 17, 2012 #3

    wirenut

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    Gold Member

    they are used in alternating pump ejector system and are called alternating relays or contactors.
     
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