how to choose a varistor

Discussion in 'General Electronics Chat' started by shinkhyung, Jun 17, 2008.

  1. shinkhyung

    Thread Starter New Member

    Jun 17, 2008
    2
    0
    Hello,
    I use a relay to turn on a pump 115AC. How do I choose a varistor to protect the spike, if there is any?
    Thanks, Shin.
     
  2. thingmaker3

    Retired Moderator

    May 16, 2005
    5,072
    6
  3. shinkhyung

    Thread Starter New Member

    Jun 17, 2008
    2
    0
    Thank you.
     
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