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buss fuses

Discussion in 'General Electronics Discussion' started by diimoh, Apr 29, 2012.

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  1. diimoh

    diimoh

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    Apr 29, 2012
    I am unable to find a 15 amp 240v glass fuse for a marine battery charger. May I use a 15amp 32v ?
     
  2. duke37

    duke37

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    Jan 9, 2011
    What is the voltage of your battery?

    Using a fuse above its voltage rating does not guarantee that the fuse will open properly or the fuse may explode.
     
  3. diimoh

    diimoh

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    Apr 29, 2012
    3 12v batteries
     
  4. KJ6EAD

    KJ6EAD

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    Aug 13, 2011
    You can't safely use a 32V fuse but you could use a 125V if you see one. Usually they're 32V or 250V. What type/size are you trying to replace?
     
  5. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    Unless the batteries are in parallel
     
  6. KJ6EAD

    KJ6EAD

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    Aug 13, 2011
    Oh, yeah. They very well may be. If that's the case, disregard my prior admonition.
     
  7. shrtrnd

    shrtrnd

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    Jan 15, 2010
    The fuses are designed for the operating voltage.
    Apparently they're not always used that way.
    A 250v fuse works at 32V just fine, a 32V fuse isn't designed for use at 250V.
    Check the manufacturer's website.
     
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