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  1. Replies
    12$$
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    325

    Have you contacted Eaton for a drawing of the...

    Have you contacted Eaton for a drawing of the transformer?. Have you asked Eaton unless you are afraid to get an answer that you don't want to hear.
    A drawing should include a plan view of the...
  2. Replies
    53$$
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    1,384

    Thanks, That is the first thing that I would...

    Thanks,
    That is the first thing that I would sort out.
  3. Replies
    53$$
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    1,384

    Could it be that the current is originating from...

    Could it be that the current is originating from an outside source and seaking your neutral via your ground rod?
  4. Replies
    19$$
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    544

    As I understand it Voltages higher than those...

    As I understand it Voltages higher than those ratings for the transformer can lead to core saturation. When that happens to the transformer with sease to act as a transformer and the secondary...
  5. Replies
    19$$
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    544

    Not all that unusual to have to guess at what...

    Not all that unusual to have to guess at what they are getting at. Just read what they are saying and rather not assume.
  6. Replies
    19$$
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    544

    Transformer voltage is determined by the voltage...

    Transformer voltage is determined by the voltage being supplied to it and the output voltage is determined by the primary to secondary ration.
    The primary on a common power transformer also...
  7. Replies
    3$$
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    179

    Use the 2 outside poles. But, read the starter...

    Use the 2 outside poles. But, read the starter instructions as a "starter" infers a contactor and an OLR. Pay attention to the OLR as it may not function properly to provide motor overload...
  8. Replies
    9$$
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    396

    Strangely enough the temperature rise of the...

    Strangely enough the temperature rise of the transformer is missing from the NP. If it liquid it most likely have been 65 or 55degC or 55/65degC.
    Remember that the transformer design must consider...
  9. Replies
    9$$
    Views
    396

    Oh, I overlooked the fact that it has an OA/FA...

    Oh, I overlooked the fact that it has an OA/FA rating and not OA /FFA. FA should indicate that it is equipped with fan originally and FFA indicates that the transformer is designed with the capacity...
  10. Replies
    9$$
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    396

    Name plates do explain a lot don't they Jim. The...

    Name plates do explain a lot don't they Jim. The fans on the existing unit should have been obvious one would think.
    00
  11. Replies
    15$$
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    472

    Ditto.

    Ditto.
  12. Replies
    10$$
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    382

    So, you need an OCPD. As I asked before what are...

    So, you need an OCPD. As I asked before what are you trying to protect? Or is it a main disconnect?
    Should you use a 15at are 1200at OCPD? Or, should we pull a rating at random out of a hat?
  13. Replies
    9$$
    Views
    396

    It is interesting that you have avoided providing...

    It is interesting that you have avoided providing any information about the transformer in question. Do you have a picture of he nameplate from the transformer? I would rather not waist my time...
  14. Replies
    4$$
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    304

    Look at the loadcenter nameplate. Simply look at...

    Look at the loadcenter nameplate. Simply look at what breakers are allowed (listed) to be installed in that load center. To install another manufactures would be in violation of the load center UL...
  15. Replies
    10$$
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    382

    What are you trying to protect? This is the way...

    What are you trying to protect?
    This is the way that I would look at it.
    since breakers are used to protect conductor, the conducted has been sized to carry the calculated load.
    You have...
  16. Replies
    47$$
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    1,329

    It's the challenges, problem solving that...

    It's the challenges, problem solving that separates the men from the boys.
  17. Replies
    47$$
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    1,329

    I am a believer in knowing what trouble you may...

    I am a believer in knowing what trouble you may be getting into before you do such as considering the possible risks.
  18. Rotation on a 4160/120v cpt? I though it is 1ph....

    Rotation on a 4160/120v cpt? I though it is 1ph. What does "center tap" have to do with it?
  19. Replies
    47$$
    Views
    1,329

    I would first varify if the motors will be...

    I would first varify if the motors will be compatable with the drives. My concern would be the integrity of the insulation of the motor windings which may be prone to failure. After you can be...
  20. Replies
    5$$
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    374

    Have at it. Simply use the 2 outside poles and...

    Have at it. Simply use the 2 outside poles and call it a day. This is a very common application.
    I am not aware of an special markings except if you want to identify the circuit on the dead front...
  21. Replies
    11$$
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    605

    Space heaters are normally recommended as a...

    Space heaters are normally recommended as a defense against condensation. I had believed at first that the space heaters were there to warm the enclosures but that is not the case. The space heaters...
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    7$$
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    319

    Hot?? Please define what you mean by hot.

    Hot?? Please define what you mean by hot.
  23. Thread: coil burden

    by templdl
    Replies
    11$$
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    595

    Did you consult with the contactor manufacturer?...

    Did you consult with the contactor manufacturer? I know that the manufacturers that I had worked for included this information as part of the catalog specifications.
  24. Replies
    19$$
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    808

    I've provided a pair of transformers for airport...

    I've provided a pair of transformers for airport applications where power had to be transmitter over a long distance.
  25. Replies
    6$$
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    314

    50degC? Also, do you have a picture of the...

    50degC?
    Also, do you have a picture of the nameplate that would include the the ratings and connection diagram?
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