step down to step up transformer conversion

Discussion in 'General Electronics Chat' started by rdhastings, Jan 7, 2010.

  1. rdhastings

    Thread Starter New Member

    Jan 7, 2010
    2
    0
    I have a 230V to 120V step down transformer that I purchased in the EU and I am unable to find any literature on it.

    It was not originally sold as a step up/down transformer but I would like to convert it to a step up transformer and use it in the US. Is this conversion as simple as now plugging the old output into 120 and the old input into the 220V appliance?

    This seems too simple and would like to know if someone has any lessons learned or engineering insight that they can pass along.

    Thanks in advance.
     
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Other than not knowing the power it can handle, it is as simple as that. But, if it was to power a cell phone charger and you want to run a compressor motor with it, it's not likely to work.

    Is there a nameplate, or do you have dimensions?
     
  3. rdhastings

    Thread Starter New Member

    Jan 7, 2010
    2
    0
    There isn't much on the nameplate but here is what it says.

    CECLA 47630
    autotransformateur
    50 / 60Hz | 1000VA
    CORDON | SOCLE
    230V | 120V

    NORME C52200

    The coil is 125mm x 115mm x 60mm


    As a step down transformer it has worked fine and it should meet my current power reqirements.
     
  4. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
    282
    Used as a step-up transformer, you can get about 4 amps out of the secondary.
     
  5. lmartinez

    Active Member

    Mar 8, 2009
    224
    6
    I concur with "BEENTHERE". The 230 volt coil can supply about 4 amps and the 120 volt coil can absorb approximately 8 amps based on the transformers RATING.

    http://en.wikipedia.org/wiki/Transformer
     
    Last edited: Jan 7, 2010
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