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  1. #1
    Join Date
    Oct 2009
    Posts
    272

    Power supply Purchase decision?

    I have an opportunity to purchase a Sorensen Power supplies Stm 24-21. I haven't found any useful info for it. I'm not looking to power a cnc with this as I'm assuming it is a test/experiment unit. I don't really need it, but if the price is right. Would anyone who knows anything about this unit be willing to clue me in, perhaps a link to a manual? What is the "market value" or reasonable price for this?

    Thanks in advance for the help.

    Randy,
    I may not be good....
    But I am S L O W!!

  2. #2
    Join Date
    Dec 2003
    Posts
    24223
    They appear to be high quality equipment, there is a 10Kw version going on ebay for $3k!!.
    Al.
    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.

  3. #3
    Join Date
    Oct 2009
    Posts
    272
    Quote Originally Posted by Al_The_Man View Post
    They appear to be high quality equipment, there is a 10Kw version going on ebay for $3k!!.
    Al.
    Maybe I can snag it for $1.00 and then sell it to finance my cnc router build.

    I really have no idea what to use it for(or how), mostly curious.

    Thanks Al.
    I may not be good....
    But I am S L O W!!

  4. #4
    Join Date
    May 2005
    Posts
    27
    Looks like they are either give aways for $10-50 or high priced such as the $3k
    mentioned by Al. Apparently the first # is the voltage, the second # the rated amps
    so STM 24-21 would be 24VDC at upto 21 amps. One site listed them under
    'obsolete power supplies'. Appears to have been a high $ supply when new, probably
    with a lot of analog and simple digital circuitry inside.

  5. #5
    Join Date
    Oct 2009
    Posts
    272
    sch,

    Haven't had a chance to check in recently. I've been busy plowing every other day lately. Who ordered ALL this snow we've been getting?

    Thanks for the info. The old addage is true... I learned something new today. I'll have to see how little the guy is willing to take for it.

    Again, thanks for the lesson.

    Randy,
    I may not be good....
    But I am S L O W!!

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