Is It Safe To Bypass The Rated Fuse Rating In This Situation?

Discussion in 'General Electronics Chat' started by K-Young, Aug 23, 2010.

  1. K-Young

    Thread Starter Member

    Aug 22, 2009
    27
    1
    Alright, I need to order the following fused power entry outlet(the kind that is usually found on a computer power supply):

    http://www.qualtekusa.com/Catalog/AC_Receptacles/pdfs/76400002.pdf

    In the datasheet it says the current rating is 10A at 250V.

    However, if I'm operating the equipment at 120V, would be safe to use a 15A rated fuse?
     
  2. davebee

    Well-Known Member

    Oct 22, 2008
    539
    46
    I would suggest that you stay with 10A fuses.

    Current and voltage ratings are based on completely different part parameters - voltage rating depends on insulation thickness and material, where current rating depends on conductor thickness and material.

    So if a part specifies 10A, you'd be better off not exceeding that rating, regardless of the voltage in the part.
     
  3. DigitalReaper

    Member

    Aug 7, 2010
    70
    2
  4. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    4,771
    971
    No it is not okay. The rating actually means 10A from 0 to 250V.
     
  5. K-Young

    Thread Starter Member

    Aug 22, 2009
    27
    1
    Alright thanks guys, I've decided to take your advice and go with a connector that doesn't incorporate a fuse. Instead I'll just stick in a 15A breaker and that should do the trick.
     
  6. Ghar

    Active Member

    Mar 8, 2010
    655
    72
    It's always fun when you ask for advice then ignore it.
     
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