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Siemens Spark Gaps

Discussion in 'Electronic Components' started by c a l a n d e, Jan 22, 2005.

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  1. I've recently aquired a group of Siemens spark gaps. These are EC230
    which I believe have 230 volt and 5k amp ratings.

    My question is what are the pratical uses for spark gaps like these?

  2. Kim  Sleep

    Kim Sleep Guest

    Absolutely...all you need to do is find a big-assed spark that needs to be
  3. Lightning arresters.
  4. That's what I was thinking but I can't find any pratical information
    about how this is done. It seems that if the gap is only rated at 5,000
    amps its capability to arrest a direct strike is limited.

    If one opens up a lightning arrester will they fine a spark gap or group
    of gaps?
  5. legg

    legg Guest

    I think it hardly likely that you will go to the trouble of
    constructing something, just to use these gas tibe arrestors.

    The parts you are talking about are two-terminals in a ceramic or
    glass case. Breakdown characteristics are determined by the
    composition and pressure of the internal atmosphere and by the
    physical dimensions of the body.

    They are correctly applied in impedance-limited applications where a
    zero crossing of the applied voltage allows extinguishing of the
    internal breakdown current arc (ie AC power circuits).

    Older Siemens parts shouldn't be messed with, as they may contain
    minute traces of radioactive isotopes. (The particular Siemens parts
    being refered to are no longer manufactured)

    Many vendors offer application notes.

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